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Home Return to list Heat Advisory 0018 Issued by the Jacksonville Forecast Office
Action: New Issued At: 2026-08-12 12:21:19 417 WWUS72 KJAX 121720 NPWJAX URGENT - WEATHER MESSAGE National Weather Service Jacksonville FL 120 PM EDT Wed Aug 12 2026 GAZ153-154-165-166-130130- /O.UPG.KJAX.XH.A.0002.260813T1500Z-260814T0000Z/ /O.NEW.KJAX.XH.W.0002.260813T1500Z-260814T0000Z/ /O.CON.KJAX.HT.Y.0017.000000T0000Z-260812T2300Z/ Inland Glynn-Coastal Glynn-Inland Camden-Coastal Camden- Including the cities of Tarboro, Dock Junction, Dover Bluff, Glynn Haven, Sea Island, Woodbine, Country Club Estate, Dungeness, Waverly, Thalmann, Kingsland, St. Simons, Jekyll Island, and Colesburg 120 PM EDT Wed Aug 12 2026 ...EXTREME HEAT WARNING IN EFFECT FROM 11 AM TO 8 PM EDT THURSDAY... ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 7 PM EDT THIS EVENING... * WHAT...For the Heat Advisory, heat index values up to 108. For the Extreme Heat Warning, dangerously hot conditions with heat index values up to 113 expected. * WHERE...Coastal Camden, Coastal Glynn, Inland Camden, and Inland Glynn Counties. * WHEN...For the Heat Advisory, until 7 PM EDT this evening. For the Extreme Heat Warning, from 11 AM to 8 PM EDT Thursday. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. Hot temperatures and high humidity may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. && $$ FLZ021-023-024-030-031-035-038-120-124-125-132-136>138-140-220-225- 232-233-236-237-240-322-325-333-340-422-425-433-522-533-633-GAZ152- 162-264-350-364-130130- /O.NEW.KJAX.HT.Y.0018.260813T1500Z-260814T0000Z/ /O.CON.KJAX.HT.Y.0017.000000T0000Z-260812T2300Z/ Suwannee-Baker-Inland Nassau-Union-Bradford-Gilchrist-Inland Flagler-Eastern Hamilton-Coastal Nassau-Coastal Duval-Eastern Clay-Eastern Alachua-Eastern Putnam-Coastal Flagler-Eastern Marion-Western Hamilton-Trout River-Western Clay-Northeast Coastal St. Johns-Western Alachua-Western Putnam-Central Marion- Northern Columbia-South Central Duval-Southeast Coastal St. Johns- Western Marion-Southeastern Columbia-Western Duval-Northern Inland St. Johns-Southwestern Columbia-Southern Inland St. Johns- Western St. Johns-Brantley-Echols-Northeastern Charlton-Southern Ware-Western Charlton- Including the cities of McAlpin, Waynesville, Saint Augustine Shore, Watertown, Jennings, Switzerland, Folkston, Andalusia, Anastasia, Oleno State Park, Saint Augustine Beach, Bellair, Amelia City, Bryceville, Bostwick, Espanola, Archer, Gainesville, Palm Coast, Hilliard, Ocala Airport, Fernandina Beach, Middleburg, White Springs, Statenville, Live Oak, Carraway, Picolata, San Marco, New River, Suwannee River Station, Suwannee Springs, Moss Bluff, Winfield, Dupont Center, West Lake, Lynne, Suwannee Valley, St. George, Newburn, Macclenny, Atkinson, Race Pond, Winokur, Ratliff, Saint Augustine South, Bakersville, Bunnell, Olustee, Palatka, Newberry, Ponte Vedra Beach, Lakeside, Green Cove Springs, Anthony, Tallyrand, Hickox, Kings Ferry, Fruit Cove, Orange Park, Saint Augustine, Gainesville Airport, Ocala, Palm Valley, Butler Beach, Lake Butler, Homeland, Newnans Lake, Starke, Ortega, Hoboken, Durbin, Needmore, Jasper, Trenton, Lake City, High Springs, Arlington, Riverside, Oceanway, Blue Springs, Doctors Inlet, Nahunta, Houston, Burbank, Normandy, Lulu, Hortense, Weirsdale, Jacksonville, Raybon, Columbia, Yulee, Belmont, and Stephen Foster State Park 120 PM EDT Wed Aug 12 2026 ...HEAT ADVISORY IN EFFECT FROM 11 AM TO 8 PM EDT THURSDAY... ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 7 PM EDT THIS EVENING... * WHAT...For the first Heat Advisory, heat index values up to 108. For the second Heat Advisory, heat index values up to 110 expected. * WHERE...Portions of northeast and northern Florida and southeast Georgia. * WHEN...For the first Heat Advisory, until 7 PM EDT this evening. For the second Heat Advisory, from 11 AM to 8 PM EDT Thursday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. && $$ GAZ136-151-163-250-130130- /O.NEW.KJAX.HT.Y.0018.260813T1500Z-260814T0000Z/ Wayne-Pierce-Clinch-Northern Ware- Including the cities of Jesup, Waycross, Blackshear, Homerville, Needham, Doctortown, and Gardi 120 PM EDT Wed Aug 12 2026 ...HEAT ADVISORY IN EFFECT FROM 11 AM TO 8 PM EDT THURSDAY... * WHAT...Heat index values up to 110 expected. * WHERE...Clinch, Northern Ware, Pierce, and Wayne Counties. * WHEN...From 11 AM to 8 PM EDT Thursday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. && $$ For more information, visit us at www.weather.gov/jax 23 Action: New Issued At: 2026-08-12 12:21:19 417 WWUS72 KJAX 121720 NPWJAX URGENT - WEATHER MESSAGE National Weather Service Jacksonville FL 120 PM EDT Wed Aug 12 2026 GAZ153-154-165-166-130130- /O.UPG.KJAX.XH.A.0002.260813T1500Z-260814T0000Z/ /O.NEW.KJAX.XH.W.0002.260813T1500Z-260814T0000Z/ /O.CON.KJAX.HT.Y.0017.000000T0000Z-260812T2300Z/ Inland Glynn-Coastal Glynn-Inland Camden-Coastal Camden- Including the cities of Tarboro, Dock Junction, Dover Bluff, Glynn Haven, Sea Island, Woodbine, Country Club Estate, Dungeness, Waverly, Thalmann, Kingsland, St. Simons, Jekyll Island, and Colesburg 120 PM EDT Wed Aug 12 2026 ...EXTREME HEAT WARNING IN EFFECT FROM 11 AM TO 8 PM EDT THURSDAY... ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 7 PM EDT THIS EVENING... * WHAT...For the Heat Advisory, heat index values up to 108. For the Extreme Heat Warning, dangerously hot conditions with heat index values up to 113 expected. * WHERE...Coastal Camden, Coastal Glynn, Inland Camden, and Inland Glynn Counties. * WHEN...For the Heat Advisory, until 7 PM EDT this evening. For the Extreme Heat Warning, from 11 AM to 8 PM EDT Thursday. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. Hot temperatures and high humidity may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. && $$ FLZ021-023-024-030-031-035-038-120-124-125-132-136>138-140-220-225- 232-233-236-237-240-322-325-333-340-422-425-433-522-533-633-GAZ152- 162-264-350-364-130130- /O.NEW.KJAX.HT.Y.0018.260813T1500Z-260814T0000Z/ /O.CON.KJAX.HT.Y.0017.000000T0000Z-260812T2300Z/ Suwannee-Baker-Inland Nassau-Union-Bradford-Gilchrist-Inland Flagler-Eastern Hamilton-Coastal Nassau-Coastal Duval-Eastern Clay-Eastern Alachua-Eastern Putnam-Coastal Flagler-Eastern Marion-Western Hamilton-Trout River-Western Clay-Northeast Coastal St. Johns-Western Alachua-Western Putnam-Central Marion- Northern Columbia-South Central Duval-Southeast Coastal St. Johns- Western Marion-Southeastern Columbia-Western Duval-Northern Inland St. Johns-Southwestern Columbia-Southern Inland St. Johns- Western St. Johns-Brantley-Echols-Northeastern Charlton-Southern Ware-Western Charlton- Including the cities of McAlpin, Waynesville, Saint Augustine Shore, Watertown, Jennings, Switzerland, Folkston, Andalusia, Anastasia, Oleno State Park, Saint Augustine Beach, Bellair, Amelia City, Bryceville, Bostwick, Espanola, Archer, Gainesville, Palm Coast, Hilliard, Ocala Airport, Fernandina Beach, Middleburg, White Springs, Statenville, Live Oak, Carraway, Picolata, San Marco, New River, Suwannee River Station, Suwannee Springs, Moss Bluff, Winfield, Dupont Center, West Lake, Lynne, Suwannee Valley, St. George, Newburn, Macclenny, Atkinson, Race Pond, Winokur, Ratliff, Saint Augustine South, Bakersville, Bunnell, Olustee, Palatka, Newberry, Ponte Vedra Beach, Lakeside, Green Cove Springs, Anthony, Tallyrand, Hickox, Kings Ferry, Fruit Cove, Orange Park, Saint Augustine, Gainesville Airport, Ocala, Palm Valley, Butler Beach, Lake Butler, Homeland, Newnans Lake, Starke, Ortega, Hoboken, Durbin, Needmore, Jasper, Trenton, Lake City, High Springs, Arlington, Riverside, Oceanway, Blue Springs, Doctors Inlet, Nahunta, Houston, Burbank, Normandy, Lulu, Hortense, Weirsdale, Jacksonville, Raybon, Columbia, Yulee, Belmont, and Stephen Foster State Park 120 PM EDT Wed Aug 12 2026 ...HEAT ADVISORY IN EFFECT FROM 11 AM TO 8 PM EDT THURSDAY... ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 7 PM EDT THIS EVENING... * WHAT...For the first Heat Advisory, heat index values up to 108. For the second Heat Advisory, heat index values up to 110 expected. * WHERE...Portions of northeast and northern Florida and southeast Georgia. * WHEN...For the first Heat Advisory, until 7 PM EDT this evening. For the second Heat Advisory, from 11 AM to 8 PM EDT Thursday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. && $$ GAZ136-151-163-250-130130- /O.NEW.KJAX.HT.Y.0018.260813T1500Z-260814T0000Z/ Wayne-Pierce-Clinch-Northern Ware- Including the cities of Jesup, Waycross, Blackshear, Homerville, Needham, Doctortown, and Gardi 120 PM EDT Wed Aug 12 2026 ...HEAT ADVISORY IN EFFECT FROM 11 AM TO 8 PM EDT THURSDAY... * WHAT...Heat index values up to 110 expected. * WHERE...Clinch, Northern Ware, Pierce, and Wayne Counties. * WHEN...From 11 AM to 8 PM EDT Thursday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. && $$ For more information, visit us at www.weather.gov/jax 23 Action: Area Extended Issued At: 2026-08-12 12:47:50 219 WWUS72 KJAX 121747 NPWJAX URGENT - WEATHER MESSAGE National Weather Service Jacksonville FL 147 PM EDT Wed Aug 12 2026 GAZ153-154-165-166-130200- /O.CON.KJAX.XH.W.0002.260813T1500Z-260814T0000Z/ /O.CON.KJAX.HT.Y.0017.000000T0000Z-260812T2300Z/ Inland Glynn-Coastal Glynn-Inland Camden-Coastal Camden- Including the cities of Tarboro, Dock Junction, Dover Bluff, Glynn Haven, Sea Island, Woodbine, Country Club Estate, Dungeness, Waverly, Thalmann, Kingsland, St. Simons, Jekyll Island, and Colesburg 147 PM EDT Wed Aug 12 2026 ...EXTREME HEAT WARNING REMAINS IN EFFECT FROM 11 AM TO 8 PM EDT THURSDAY... ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 7 PM EDT THIS EVENING... * WHAT...For the Heat Advisory, heat index values up to 108. For the Extreme Heat Warning, dangerously hot conditions with heat index values up to 112 expected. * WHERE...Coastal Camden, Coastal Glynn, Inland Camden, and Inland Glynn Counties. * WHEN...For the Heat Advisory, until 7 PM EDT this evening. For the Extreme Heat Warning, from 11 AM to 8 PM EDT Thursday. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. Hot temperatures and high humidity may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. && $$ GAZ132>135-149-130200- /O.EXA.KJAX.HT.Y.0018.260813T1500Z-260814T0000Z/ Coffee-Jeff Davis-Bacon-Appling-Atkinson- Including the cities of Pine Grove, Baxley, New Lacy, Willacoochee, Plant Hatch, Alma, Douglas, Axson, Hazlehurst, and Pearson 147 PM EDT Wed Aug 12 2026 ...HEAT ADVISORY IN EFFECT FROM 11 AM TO 8 PM EDT THURSDAY... * WHAT...Heat index values up to 108 expected. * WHERE...Appling, Atkinson, Bacon, Coffee, and Jeff Davis Counties. * WHEN...From 11 AM to 8 PM EDT Thursday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. && $$ FLZ021-023-024-030-031-035-038-120-124-125-132-136>138-140-220-225- 232-233-236-237-240-322-325-333-340-422-425-433-522-533-633-GAZ152- 162-264-350-364-130200- /O.CON.KJAX.HT.Y.0017.000000T0000Z-260812T2300Z/ /O.CON.KJAX.HT.Y.0018.260813T1500Z-260814T0000Z/ Suwannee-Baker-Inland Nassau-Union-Bradford-Gilchrist-Inland Flagler-Eastern Hamilton-Coastal Nassau-Coastal Duval-Eastern Clay-Eastern Alachua-Eastern Putnam-Coastal Flagler-Eastern Marion-Western Hamilton-Trout River-Western Clay-Northeast Coastal St. Johns-Western Alachua-Western Putnam-Central Marion- Northern Columbia-South Central Duval-Southeast Coastal St. Johns- Western Marion-Southeastern Columbia-Western Duval-Northern Inland St. Johns-Southwestern Columbia-Southern Inland St. Johns- Western St. Johns-Brantley-Echols-Northeastern Charlton-Southern Ware-Western Charlton- Including the cities of McAlpin, Waynesville, Saint Augustine Shore, Watertown, Jennings, Switzerland, Folkston, Andalusia, Anastasia, Oleno State Park, Saint Augustine Beach, Bellair, Amelia City, Bryceville, Bostwick, Espanola, Archer, Gainesville, Palm Coast, Hilliard, Ocala Airport, Fernandina Beach, Middleburg, White Springs, Statenville, Live Oak, Carraway, Picolata, San Marco, New River, Suwannee River Station, Suwannee Springs, Moss Bluff, Winfield, Dupont Center, West Lake, Lynne, Suwannee Valley, St. George, Newburn, Macclenny, Atkinson, Race Pond, Winokur, Ratliff, Saint Augustine South, Bakersville, Bunnell, Olustee, Palatka, Newberry, Ponte Vedra Beach, Lakeside, Green Cove Springs, Anthony, Tallyrand, Hickox, Kings Ferry, Fruit Cove, Orange Park, Saint Augustine, Gainesville Airport, Ocala, Palm Valley, Butler Beach, Lake Butler, Homeland, Newnans Lake, Starke, Ortega, Hoboken, Durbin, Needmore, Jasper, Trenton, Lake City, High Springs, Arlington, Riverside, Oceanway, Blue Springs, Doctors Inlet, Nahunta, Houston, Burbank, Normandy, Lulu, Hortense, Weirsdale, Jacksonville, Raybon, Columbia, Yulee, Belmont, and Stephen Foster State Park 147 PM EDT Wed Aug 12 2026 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 7 PM EDT THIS EVENING... ...HEAT ADVISORY REMAINS IN EFFECT FROM 11 AM TO 8 PM EDT THURSDAY... * WHAT...For the first Heat Advisory, heat index values up to 108. For the second Heat Advisory, heat index values up to 111 expected. * WHERE...Portions of northeast and northern Florida and southeast Georgia. * WHEN...For the first Heat Advisory, until 7 PM EDT this evening. For the second Heat Advisory, from 11 AM to 8 PM EDT Thursday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. && $$ GAZ136-151-163-250-130200- /O.CON.KJAX.HT.Y.0018.260813T1500Z-260814T0000Z/ Wayne-Pierce-Clinch-Northern Ware- Including the cities of Jesup, Waycross, Blackshear, Homerville, Needham, Doctortown, and Gardi 147 PM EDT Wed Aug 12 2026 ...HEAT ADVISORY REMAINS IN EFFECT FROM 11 AM TO 8 PM EDT THURSDAY... * WHAT...Heat index values up to 110 expected. * WHERE...Clinch, Northern Ware, Pierce, and Wayne Counties. * WHEN...From 11 AM to 8 PM EDT Thursday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. && $$ For more information, visit us at www.weather.gov/jax 23 Action: Continued Issued At: 2026-08-12 12:47:50 219 WWUS72 KJAX 121747 NPWJAX URGENT - WEATHER MESSAGE National Weather Service Jacksonville FL 147 PM EDT Wed Aug 12 2026 GAZ153-154-165-166-130200- /O.CON.KJAX.XH.W.0002.260813T1500Z-260814T0000Z/ /O.CON.KJAX.HT.Y.0017.000000T0000Z-260812T2300Z/ Inland Glynn-Coastal Glynn-Inland Camden-Coastal Camden- Including the cities of Tarboro, Dock Junction, Dover Bluff, Glynn Haven, Sea Island, Woodbine, Country Club Estate, Dungeness, Waverly, Thalmann, Kingsland, St. Simons, Jekyll Island, and Colesburg 147 PM EDT Wed Aug 12 2026 ...EXTREME HEAT WARNING REMAINS IN EFFECT FROM 11 AM TO 8 PM EDT THURSDAY... ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 7 PM EDT THIS EVENING... * WHAT...For the Heat Advisory, heat index values up to 108. For the Extreme Heat Warning, dangerously hot conditions with heat index values up to 112 expected. * WHERE...Coastal Camden, Coastal Glynn, Inland Camden, and Inland Glynn Counties. * WHEN...For the Heat Advisory, until 7 PM EDT this evening. For the Extreme Heat Warning, from 11 AM to 8 PM EDT Thursday. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. Hot temperatures and high humidity may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. && $$ GAZ132>135-149-130200- /O.EXA.KJAX.HT.Y.0018.260813T1500Z-260814T0000Z/ Coffee-Jeff Davis-Bacon-Appling-Atkinson- Including the cities of Pine Grove, Baxley, New Lacy, Willacoochee, Plant Hatch, Alma, Douglas, Axson, Hazlehurst, and Pearson 147 PM EDT Wed Aug 12 2026 ...HEAT ADVISORY IN EFFECT FROM 11 AM TO 8 PM EDT THURSDAY... * WHAT...Heat index values up to 108 expected. * WHERE...Appling, Atkinson, Bacon, Coffee, and Jeff Davis Counties. * WHEN...From 11 AM to 8 PM EDT Thursday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. && $$ FLZ021-023-024-030-031-035-038-120-124-125-132-136>138-140-220-225- 232-233-236-237-240-322-325-333-340-422-425-433-522-533-633-GAZ152- 162-264-350-364-130200- /O.CON.KJAX.HT.Y.0017.000000T0000Z-260812T2300Z/ /O.CON.KJAX.HT.Y.0018.260813T1500Z-260814T0000Z/ Suwannee-Baker-Inland Nassau-Union-Bradford-Gilchrist-Inland Flagler-Eastern Hamilton-Coastal Nassau-Coastal Duval-Eastern Clay-Eastern Alachua-Eastern Putnam-Coastal Flagler-Eastern Marion-Western Hamilton-Trout River-Western Clay-Northeast Coastal St. Johns-Western Alachua-Western Putnam-Central Marion- Northern Columbia-South Central Duval-Southeast Coastal St. Johns- Western Marion-Southeastern Columbia-Western Duval-Northern Inland St. Johns-Southwestern Columbia-Southern Inland St. Johns- Western St. Johns-Brantley-Echols-Northeastern Charlton-Southern Ware-Western Charlton- Including the cities of McAlpin, Waynesville, Saint Augustine Shore, Watertown, Jennings, Switzerland, Folkston, Andalusia, Anastasia, Oleno State Park, Saint Augustine Beach, Bellair, Amelia City, Bryceville, Bostwick, Espanola, Archer, Gainesville, Palm Coast, Hilliard, Ocala Airport, Fernandina Beach, Middleburg, White Springs, Statenville, Live Oak, Carraway, Picolata, San Marco, New River, Suwannee River Station, Suwannee Springs, Moss Bluff, Winfield, Dupont Center, West Lake, Lynne, Suwannee Valley, St. George, Newburn, Macclenny, Atkinson, Race Pond, Winokur, Ratliff, Saint Augustine South, Bakersville, Bunnell, Olustee, Palatka, Newberry, Ponte Vedra Beach, Lakeside, Green Cove Springs, Anthony, Tallyrand, Hickox, Kings Ferry, Fruit Cove, Orange Park, Saint Augustine, Gainesville Airport, Ocala, Palm Valley, Butler Beach, Lake Butler, Homeland, Newnans Lake, Starke, Ortega, Hoboken, Durbin, Needmore, Jasper, Trenton, Lake City, High Springs, Arlington, Riverside, Oceanway, Blue Springs, Doctors Inlet, Nahunta, Houston, Burbank, Normandy, Lulu, Hortense, Weirsdale, Jacksonville, Raybon, Columbia, Yulee, Belmont, and Stephen Foster State Park 147 PM EDT Wed Aug 12 2026 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 7 PM EDT THIS EVENING... ...HEAT ADVISORY REMAINS IN EFFECT FROM 11 AM TO 8 PM EDT THURSDAY... * WHAT...For the first Heat Advisory, heat index values up to 108. For the second Heat Advisory, heat index values up to 111 expected. * WHERE...Portions of northeast and northern Florida and southeast Georgia. * WHEN...For the first Heat Advisory, until 7 PM EDT this evening. For the second Heat Advisory, from 11 AM to 8 PM EDT Thursday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. && $$ GAZ136-151-163-250-130200- /O.CON.KJAX.HT.Y.0018.260813T1500Z-260814T0000Z/ Wayne-Pierce-Clinch-Northern Ware- Including the cities of Jesup, Waycross, Blackshear, Homerville, Needham, Doctortown, and Gardi 147 PM EDT Wed Aug 12 2026 ...HEAT ADVISORY REMAINS IN EFFECT FROM 11 AM TO 8 PM EDT THURSDAY... * WHAT...Heat index values up to 110 expected. * WHERE...Clinch, Northern Ware, Pierce, and Wayne Counties. * WHEN...From 11 AM to 8 PM EDT Thursday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. && $$ For more information, visit us at www.weather.gov/jax 23 Action: Continued Issued At: 2026-08-12 12:47:50 219 WWUS72 KJAX 121747 NPWJAX URGENT - WEATHER MESSAGE National Weather Service Jacksonville FL 147 PM EDT Wed Aug 12 2026 GAZ153-154-165-166-130200- /O.CON.KJAX.XH.W.0002.260813T1500Z-260814T0000Z/ /O.CON.KJAX.HT.Y.0017.000000T0000Z-260812T2300Z/ Inland Glynn-Coastal Glynn-Inland Camden-Coastal Camden- Including the cities of Tarboro, Dock Junction, Dover Bluff, Glynn Haven, Sea Island, Woodbine, Country Club Estate, Dungeness, Waverly, Thalmann, Kingsland, St. Simons, Jekyll Island, and Colesburg 147 PM EDT Wed Aug 12 2026 ...EXTREME HEAT WARNING REMAINS IN EFFECT FROM 11 AM TO 8 PM EDT THURSDAY... ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 7 PM EDT THIS EVENING... * WHAT...For the Heat Advisory, heat index values up to 108. For the Extreme Heat Warning, dangerously hot conditions with heat index values up to 112 expected. * WHERE...Coastal Camden, Coastal Glynn, Inland Camden, and Inland Glynn Counties. * WHEN...For the Heat Advisory, until 7 PM EDT this evening. For the Extreme Heat Warning, from 11 AM to 8 PM EDT Thursday. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. Hot temperatures and high humidity may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. && $$ GAZ132>135-149-130200- /O.EXA.KJAX.HT.Y.0018.260813T1500Z-260814T0000Z/ Coffee-Jeff Davis-Bacon-Appling-Atkinson- Including the cities of Pine Grove, Baxley, New Lacy, Willacoochee, Plant Hatch, Alma, Douglas, Axson, Hazlehurst, and Pearson 147 PM EDT Wed Aug 12 2026 ...HEAT ADVISORY IN EFFECT FROM 11 AM TO 8 PM EDT THURSDAY... * WHAT...Heat index values up to 108 expected. * WHERE...Appling, Atkinson, Bacon, Coffee, and Jeff Davis Counties. * WHEN...From 11 AM to 8 PM EDT Thursday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. && $$ FLZ021-023-024-030-031-035-038-120-124-125-132-136>138-140-220-225- 232-233-236-237-240-322-325-333-340-422-425-433-522-533-633-GAZ152- 162-264-350-364-130200- /O.CON.KJAX.HT.Y.0017.000000T0000Z-260812T2300Z/ /O.CON.KJAX.HT.Y.0018.260813T1500Z-260814T0000Z/ Suwannee-Baker-Inland Nassau-Union-Bradford-Gilchrist-Inland Flagler-Eastern Hamilton-Coastal Nassau-Coastal Duval-Eastern Clay-Eastern Alachua-Eastern Putnam-Coastal Flagler-Eastern Marion-Western Hamilton-Trout River-Western Clay-Northeast Coastal St. Johns-Western Alachua-Western Putnam-Central Marion- Northern Columbia-South Central Duval-Southeast Coastal St. Johns- Western Marion-Southeastern Columbia-Western Duval-Northern Inland St. Johns-Southwestern Columbia-Southern Inland St. Johns- Western St. Johns-Brantley-Echols-Northeastern Charlton-Southern Ware-Western Charlton- Including the cities of McAlpin, Waynesville, Saint Augustine Shore, Watertown, Jennings, Switzerland, Folkston, Andalusia, Anastasia, Oleno State Park, Saint Augustine Beach, Bellair, Amelia City, Bryceville, Bostwick, Espanola, Archer, Gainesville, Palm Coast, Hilliard, Ocala Airport, Fernandina Beach, Middleburg, White Springs, Statenville, Live Oak, Carraway, Picolata, San Marco, New River, Suwannee River Station, Suwannee Springs, Moss Bluff, Winfield, Dupont Center, West Lake, Lynne, Suwannee Valley, St. George, Newburn, Macclenny, Atkinson, Race Pond, Winokur, Ratliff, Saint Augustine South, Bakersville, Bunnell, Olustee, Palatka, Newberry, Ponte Vedra Beach, Lakeside, Green Cove Springs, Anthony, Tallyrand, Hickox, Kings Ferry, Fruit Cove, Orange Park, Saint Augustine, Gainesville Airport, Ocala, Palm Valley, Butler Beach, Lake Butler, Homeland, Newnans Lake, Starke, Ortega, Hoboken, Durbin, Needmore, Jasper, Trenton, Lake City, High Springs, Arlington, Riverside, Oceanway, Blue Springs, Doctors Inlet, Nahunta, Houston, Burbank, Normandy, Lulu, Hortense, Weirsdale, Jacksonville, Raybon, Columbia, Yulee, Belmont, and Stephen Foster State Park 147 PM EDT Wed Aug 12 2026 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 7 PM EDT THIS EVENING... ...HEAT ADVISORY REMAINS IN EFFECT FROM 11 AM TO 8 PM EDT THURSDAY... * WHAT...For the first Heat Advisory, heat index values up to 108. For the second Heat Advisory, heat index values up to 111 expected. * WHERE...Portions of northeast and northern Florida and southeast Georgia. * WHEN...For the first Heat Advisory, until 7 PM EDT this evening. For the second Heat Advisory, from 11 AM to 8 PM EDT Thursday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. && $$ GAZ136-151-163-250-130200- /O.CON.KJAX.HT.Y.0018.260813T1500Z-260814T0000Z/ Wayne-Pierce-Clinch-Northern Ware- Including the cities of Jesup, Waycross, Blackshear, Homerville, Needham, Doctortown, and Gardi 147 PM EDT Wed Aug 12 2026 ...HEAT ADVISORY REMAINS IN EFFECT FROM 11 AM TO 8 PM EDT THURSDAY... * WHAT...Heat index values up to 110 expected. * WHERE...Clinch, Northern Ware, Pierce, and Wayne Counties. * WHEN...From 11 AM to 8 PM EDT Thursday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. && $$ For more information, visit us at www.weather.gov/jax 23 Action: Continued Issued At: 2026-08-12 15:48:54 708 WWUS72 KJAX 122048 NPWJAX URGENT - WEATHER MESSAGE National Weather Service Jacksonville FL 448 PM EDT Wed Aug 12 2026 GAZ153-154-165-166-131200- /O.CAN.KJAX.HT.Y.0017.000000T0000Z-260812T2300Z/ /O.CON.KJAX.XH.W.0002.260813T1500Z-260814T0000Z/ Inland Glynn-Coastal Glynn-Inland Camden-Coastal Camden- Including the cities of Colesburg, Dungeness, Tarboro, Thalmann, Waverly, Dover Bluff, Glynn Haven, Sea Island, Kingsland, Dock Junction, Jekyll Island, Woodbine, St. Simons, and Country Club Estate 448 PM EDT Wed Aug 12 2026 ...HEAT ADVISORY IS CANCELLED... ...EXTREME HEAT WARNING REMAINS IN EFFECT FROM 11 AM TO 8 PM EDT THURSDAY... * WHAT...Dangerously hot conditions with heat index values up to 113 expected. * WHERE...Coastal Camden, Coastal Glynn, Inland Camden, and Inland Glynn Counties. * WHEN...From 11 AM to 8 PM EDT Thursday. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. && $$ FLZ021-023-024-030-031-038-120-124-125-132-137-138-220-225-232-233- 237-322-325-333-422-425-433-522-533-633-GAZ152-162-264-350-364- 131200- /O.CAN.KJAX.HT.Y.0017.000000T0000Z-260812T2300Z/ /O.CON.KJAX.HT.Y.0018.260813T1500Z-260814T0000Z/ Suwannee-Baker-Inland Nassau-Union-Bradford-Inland Flagler- Eastern Hamilton-Coastal Nassau-Coastal Duval-Eastern Clay- Eastern Putnam-Coastal Flagler-Western Hamilton-Trout River- Western Clay-Northeast Coastal St. Johns-Western Putnam-Northern Columbia-South Central Duval-Southeast Coastal St. Johns- Southeastern Columbia-Western Duval-Northern Inland St. Johns- Southwestern Columbia-Southern Inland St. Johns-Western St. Johns- Brantley-Echols-Northeastern Charlton-Southern Ware-Western Charlton- Including the cities of Palatka, Saint Augustine Shore, Belmont, Suwannee Springs, Kings Ferry, Newburn, Jasper, Espanola, Picolata, Oleno State Park, Lulu, Watertown, Hortense, Ratliff, Winfield, Statenville, Starke, Live Oak, Hilliard, Hoboken, Macclenny, Atkinson, Arlington, New River, Hickox, Yulee, Raybon, Fernandina Beach, Columbia, Stephen Foster State Park, Waynesville, Winokur, Folkston, Ortega, Anastasia, Ponte Vedra Beach, Butler Beach, Saint Augustine, Bellair, West Lake, Durbin, Needmore, Lakeside, Olustee, Green Cove Springs, Suwannee Valley, Suwannee River Station, Bostwick, Andalusia, Normandy, Lake Butler, Switzerland, White Springs, Houston, San Marco, Amelia City, Bakersville, Tallyrand, Dupont Center, Oceanway, Homeland, Doctors Inlet, Jacksonville, McAlpin, Palm Coast, Middleburg, Blue Springs, Jennings, Riverside, Lake City, Bunnell, Fruit Cove, Nahunta, St. George, Bryceville, Palm Valley, Race Pond, Carraway, Orange Park, Saint Augustine South, and Saint Augustine Beach 448 PM EDT Wed Aug 12 2026 ...HEAT ADVISORY IS CANCELLED... ...HEAT ADVISORY REMAINS IN EFFECT FROM 11 AM TO 8 PM EDT THURSDAY... * WHAT...Heat index values up to 112 expected. * WHERE...Portions of northeast and northern Florida and southeast Georgia. * WHEN...From 11 AM to 8 PM EDT Thursday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. && $$ FLZ035-136-140-236-240-340-131200- /O.CON.KJAX.HT.Y.0017.000000T0000Z-260812T2300Z/ /O.CON.KJAX.HT.Y.0018.260813T1500Z-260814T0000Z/ Gilchrist-Eastern Alachua-Eastern Marion-Western Alachua-Central Marion-Western Marion- Including the cities of Lynne, Newberry, Anthony, Ocala Airport, High Springs, Ocala, Newnans Lake, Weirsdale, Gainesville Airport, Moss Bluff, Trenton, Archer, Burbank, and Gainesville 448 PM EDT Wed Aug 12 2026 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 7 PM EDT THIS EVENING... ...HEAT ADVISORY REMAINS IN EFFECT FROM 11 AM TO 8 PM EDT THURSDAY... * WHAT...For the first Heat Advisory, heat index values up to 104. For the second Heat Advisory, heat index values up to 111 expected. * WHERE...Central Marion, Eastern Alachua, Eastern Marion, Gilchrist, Western Alachua, and Western Marion Counties. * WHEN...For the first Heat Advisory, until 7 PM EDT this evening. For the second Heat Advisory, from 11 AM to 8 PM EDT Thursday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. && $$ GAZ132>135-149-131200- /O.CON.KJAX.HT.Y.0018.260813T1500Z-260814T0000Z/ Coffee-Jeff Davis-Bacon-Appling-Atkinson- Including the cities of Hazlehurst, Alma, Pearson, Baxley, New Lacy, Axson, Pine Grove, Douglas, Willacoochee, and Plant Hatch 448 PM EDT Wed Aug 12 2026 ...HEAT ADVISORY REMAINS IN EFFECT FROM 11 AM TO 8 PM EDT THURSDAY... * WHAT...Heat index values up to 107 expected. * WHERE...Appling, Atkinson, Bacon, Coffee, and Jeff Davis Counties. * WHEN...From 11 AM to 8 PM EDT Thursday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. && $$ GAZ136-151-163-250-131200- /O.CON.KJAX.HT.Y.0018.260813T1500Z-260814T0000Z/ Wayne-Pierce-Clinch-Northern Ware- Including the cities of Gardi, Homerville, Doctortown, Blackshear, Jesup, Needham, and Waycross 448 PM EDT Wed Aug 12 2026 ...HEAT ADVISORY REMAINS IN EFFECT FROM 11 AM TO 8 PM EDT THURSDAY... * WHAT...Heat index values up to 110 expected. * WHERE...Clinch, Northern Ware, Pierce, and Wayne Counties. * WHEN...From 11 AM to 8 PM EDT Thursday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. && $$ For more information, visit us at www.weather.gov/jax CHANEY Action: Continued Issued At: 2026-08-12 15:48:54 708 WWUS72 KJAX 122048 NPWJAX URGENT - WEATHER MESSAGE National Weather Service Jacksonville FL 448 PM EDT Wed Aug 12 2026 GAZ153-154-165-166-131200- /O.CAN.KJAX.HT.Y.0017.000000T0000Z-260812T2300Z/ /O.CON.KJAX.XH.W.0002.260813T1500Z-260814T0000Z/ Inland Glynn-Coastal Glynn-Inland Camden-Coastal Camden- Including the cities of Colesburg, Dungeness, Tarboro, Thalmann, Waverly, Dover Bluff, Glynn Haven, Sea Island, Kingsland, Dock Junction, Jekyll Island, Woodbine, St. Simons, and Country Club Estate 448 PM EDT Wed Aug 12 2026 ...HEAT ADVISORY IS CANCELLED... ...EXTREME HEAT WARNING REMAINS IN EFFECT FROM 11 AM TO 8 PM EDT THURSDAY... * WHAT...Dangerously hot conditions with heat index values up to 113 expected. * WHERE...Coastal Camden, Coastal Glynn, Inland Camden, and Inland Glynn Counties. * WHEN...From 11 AM to 8 PM EDT Thursday. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. && $$ FLZ021-023-024-030-031-038-120-124-125-132-137-138-220-225-232-233- 237-322-325-333-422-425-433-522-533-633-GAZ152-162-264-350-364- 131200- /O.CAN.KJAX.HT.Y.0017.000000T0000Z-260812T2300Z/ /O.CON.KJAX.HT.Y.0018.260813T1500Z-260814T0000Z/ Suwannee-Baker-Inland Nassau-Union-Bradford-Inland Flagler- Eastern Hamilton-Coastal Nassau-Coastal Duval-Eastern Clay- Eastern Putnam-Coastal Flagler-Western Hamilton-Trout River- Western Clay-Northeast Coastal St. Johns-Western Putnam-Northern Columbia-South Central Duval-Southeast Coastal St. Johns- Southeastern Columbia-Western Duval-Northern Inland St. Johns- Southwestern Columbia-Southern Inland St. Johns-Western St. Johns- Brantley-Echols-Northeastern Charlton-Southern Ware-Western Charlton- Including the cities of Palatka, Saint Augustine Shore, Belmont, Suwannee Springs, Kings Ferry, Newburn, Jasper, Espanola, Picolata, Oleno State Park, Lulu, Watertown, Hortense, Ratliff, Winfield, Statenville, Starke, Live Oak, Hilliard, Hoboken, Macclenny, Atkinson, Arlington, New River, Hickox, Yulee, Raybon, Fernandina Beach, Columbia, Stephen Foster State Park, Waynesville, Winokur, Folkston, Ortega, Anastasia, Ponte Vedra Beach, Butler Beach, Saint Augustine, Bellair, West Lake, Durbin, Needmore, Lakeside, Olustee, Green Cove Springs, Suwannee Valley, Suwannee River Station, Bostwick, Andalusia, Normandy, Lake Butler, Switzerland, White Springs, Houston, San Marco, Amelia City, Bakersville, Tallyrand, Dupont Center, Oceanway, Homeland, Doctors Inlet, Jacksonville, McAlpin, Palm Coast, Middleburg, Blue Springs, Jennings, Riverside, Lake City, Bunnell, Fruit Cove, Nahunta, St. George, Bryceville, Palm Valley, Race Pond, Carraway, Orange Park, Saint Augustine South, and Saint Augustine Beach 448 PM EDT Wed Aug 12 2026 ...HEAT ADVISORY IS CANCELLED... ...HEAT ADVISORY REMAINS IN EFFECT FROM 11 AM TO 8 PM EDT THURSDAY... * WHAT...Heat index values up to 112 expected. * WHERE...Portions of northeast and northern Florida and southeast Georgia. * WHEN...From 11 AM to 8 PM EDT Thursday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. && $$ FLZ035-136-140-236-240-340-131200- /O.CON.KJAX.HT.Y.0017.000000T0000Z-260812T2300Z/ /O.CON.KJAX.HT.Y.0018.260813T1500Z-260814T0000Z/ Gilchrist-Eastern Alachua-Eastern Marion-Western Alachua-Central Marion-Western Marion- Including the cities of Lynne, Newberry, Anthony, Ocala Airport, High Springs, Ocala, Newnans Lake, Weirsdale, Gainesville Airport, Moss Bluff, Trenton, Archer, Burbank, and Gainesville 448 PM EDT Wed Aug 12 2026 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 7 PM EDT THIS EVENING... ...HEAT ADVISORY REMAINS IN EFFECT FROM 11 AM TO 8 PM EDT THURSDAY... * WHAT...For the first Heat Advisory, heat index values up to 104. For the second Heat Advisory, heat index values up to 111 expected. * WHERE...Central Marion, Eastern Alachua, Eastern Marion, Gilchrist, Western Alachua, and Western Marion Counties. * WHEN...For the first Heat Advisory, until 7 PM EDT this evening. For the second Heat Advisory, from 11 AM to 8 PM EDT Thursday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. && $$ GAZ132>135-149-131200- /O.CON.KJAX.HT.Y.0018.260813T1500Z-260814T0000Z/ Coffee-Jeff Davis-Bacon-Appling-Atkinson- Including the cities of Hazlehurst, Alma, Pearson, Baxley, New Lacy, Axson, Pine Grove, Douglas, Willacoochee, and Plant Hatch 448 PM EDT Wed Aug 12 2026 ...HEAT ADVISORY REMAINS IN EFFECT FROM 11 AM TO 8 PM EDT THURSDAY... * WHAT...Heat index values up to 107 expected. * WHERE...Appling, Atkinson, Bacon, Coffee, and Jeff Davis Counties. * WHEN...From 11 AM to 8 PM EDT Thursday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. && $$ GAZ136-151-163-250-131200- /O.CON.KJAX.HT.Y.0018.260813T1500Z-260814T0000Z/ Wayne-Pierce-Clinch-Northern Ware- Including the cities of Gardi, Homerville, Doctortown, Blackshear, Jesup, Needham, and Waycross 448 PM EDT Wed Aug 12 2026 ...HEAT ADVISORY REMAINS IN EFFECT FROM 11 AM TO 8 PM EDT THURSDAY... * WHAT...Heat index values up to 110 expected. * WHERE...Clinch, Northern Ware, Pierce, and Wayne Counties. * WHEN...From 11 AM to 8 PM EDT Thursday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. && $$ For more information, visit us at www.weather.gov/jax CHANEY Action: Continued Issued At: 2026-08-12 15:48:54 708 WWUS72 KJAX 122048 NPWJAX URGENT - WEATHER MESSAGE National Weather Service Jacksonville FL 448 PM EDT Wed Aug 12 2026 GAZ153-154-165-166-131200- /O.CAN.KJAX.HT.Y.0017.000000T0000Z-260812T2300Z/ /O.CON.KJAX.XH.W.0002.260813T1500Z-260814T0000Z/ Inland Glynn-Coastal Glynn-Inland Camden-Coastal Camden- Including the cities of Colesburg, Dungeness, Tarboro, Thalmann, Waverly, Dover Bluff, Glynn Haven, Sea Island, Kingsland, Dock Junction, Jekyll Island, Woodbine, St. Simons, and Country Club Estate 448 PM EDT Wed Aug 12 2026 ...HEAT ADVISORY IS CANCELLED... ...EXTREME HEAT WARNING REMAINS IN EFFECT FROM 11 AM TO 8 PM EDT THURSDAY... * WHAT...Dangerously hot conditions with heat index values up to 113 expected. * WHERE...Coastal Camden, Coastal Glynn, Inland Camden, and Inland Glynn Counties. * WHEN...From 11 AM to 8 PM EDT Thursday. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. && $$ FLZ021-023-024-030-031-038-120-124-125-132-137-138-220-225-232-233- 237-322-325-333-422-425-433-522-533-633-GAZ152-162-264-350-364- 131200- /O.CAN.KJAX.HT.Y.0017.000000T0000Z-260812T2300Z/ /O.CON.KJAX.HT.Y.0018.260813T1500Z-260814T0000Z/ Suwannee-Baker-Inland Nassau-Union-Bradford-Inland Flagler- Eastern Hamilton-Coastal Nassau-Coastal Duval-Eastern Clay- Eastern Putnam-Coastal Flagler-Western Hamilton-Trout River- Western Clay-Northeast Coastal St. Johns-Western Putnam-Northern Columbia-South Central Duval-Southeast Coastal St. Johns- Southeastern Columbia-Western Duval-Northern Inland St. Johns- Southwestern Columbia-Southern Inland St. Johns-Western St. Johns- Brantley-Echols-Northeastern Charlton-Southern Ware-Western Charlton- Including the cities of Palatka, Saint Augustine Shore, Belmont, Suwannee Springs, Kings Ferry, Newburn, Jasper, Espanola, Picolata, Oleno State Park, Lulu, Watertown, Hortense, Ratliff, Winfield, Statenville, Starke, Live Oak, Hilliard, Hoboken, Macclenny, Atkinson, Arlington, New River, Hickox, Yulee, Raybon, Fernandina Beach, Columbia, Stephen Foster State Park, Waynesville, Winokur, Folkston, Ortega, Anastasia, Ponte Vedra Beach, Butler Beach, Saint Augustine, Bellair, West Lake, Durbin, Needmore, Lakeside, Olustee, Green Cove Springs, Suwannee Valley, Suwannee River Station, Bostwick, Andalusia, Normandy, Lake Butler, Switzerland, White Springs, Houston, San Marco, Amelia City, Bakersville, Tallyrand, Dupont Center, Oceanway, Homeland, Doctors Inlet, Jacksonville, McAlpin, Palm Coast, Middleburg, Blue Springs, Jennings, Riverside, Lake City, Bunnell, Fruit Cove, Nahunta, St. George, Bryceville, Palm Valley, Race Pond, Carraway, Orange Park, Saint Augustine South, and Saint Augustine Beach 448 PM EDT Wed Aug 12 2026 ...HEAT ADVISORY IS CANCELLED... ...HEAT ADVISORY REMAINS IN EFFECT FROM 11 AM TO 8 PM EDT THURSDAY... * WHAT...Heat index values up to 112 expected. * WHERE...Portions of northeast and northern Florida and southeast Georgia. * WHEN...From 11 AM to 8 PM EDT Thursday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. && $$ FLZ035-136-140-236-240-340-131200- /O.CON.KJAX.HT.Y.0017.000000T0000Z-260812T2300Z/ /O.CON.KJAX.HT.Y.0018.260813T1500Z-260814T0000Z/ Gilchrist-Eastern Alachua-Eastern Marion-Western Alachua-Central Marion-Western Marion- Including the cities of Lynne, Newberry, Anthony, Ocala Airport, High Springs, Ocala, Newnans Lake, Weirsdale, Gainesville Airport, Moss Bluff, Trenton, Archer, Burbank, and Gainesville 448 PM EDT Wed Aug 12 2026 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 7 PM EDT THIS EVENING... ...HEAT ADVISORY REMAINS IN EFFECT FROM 11 AM TO 8 PM EDT THURSDAY... * WHAT...For the first Heat Advisory, heat index values up to 104. For the second Heat Advisory, heat index values up to 111 expected. * WHERE...Central Marion, Eastern Alachua, Eastern Marion, Gilchrist, Western Alachua, and Western Marion Counties. * WHEN...For the first Heat Advisory, until 7 PM EDT this evening. For the second Heat Advisory, from 11 AM to 8 PM EDT Thursday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. && $$ GAZ132>135-149-131200- /O.CON.KJAX.HT.Y.0018.260813T1500Z-260814T0000Z/ Coffee-Jeff Davis-Bacon-Appling-Atkinson- Including the cities of Hazlehurst, Alma, Pearson, Baxley, New Lacy, Axson, Pine Grove, Douglas, Willacoochee, and Plant Hatch 448 PM EDT Wed Aug 12 2026 ...HEAT ADVISORY REMAINS IN EFFECT FROM 11 AM TO 8 PM EDT THURSDAY... * WHAT...Heat index values up to 107 expected. * WHERE...Appling, Atkinson, Bacon, Coffee, and Jeff Davis Counties. * WHEN...From 11 AM to 8 PM EDT Thursday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. && $$ GAZ136-151-163-250-131200- /O.CON.KJAX.HT.Y.0018.260813T1500Z-260814T0000Z/ Wayne-Pierce-Clinch-Northern Ware- Including the cities of Gardi, Homerville, Doctortown, Blackshear, Jesup, Needham, and Waycross 448 PM EDT Wed Aug 12 2026 ...HEAT ADVISORY REMAINS IN EFFECT FROM 11 AM TO 8 PM EDT THURSDAY... * WHAT...Heat index values up to 110 expected. * WHERE...Clinch, Northern Ware, Pierce, and Wayne Counties. * WHEN...From 11 AM to 8 PM EDT Thursday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. && $$ For more information, visit us at www.weather.gov/jax CHANEY Action: Continued Issued At: 2026-08-12 15:48:54 708 WWUS72 KJAX 122048 NPWJAX URGENT - WEATHER MESSAGE National Weather Service Jacksonville FL 448 PM EDT Wed Aug 12 2026 GAZ153-154-165-166-131200- /O.CAN.KJAX.HT.Y.0017.000000T0000Z-260812T2300Z/ /O.CON.KJAX.XH.W.0002.260813T1500Z-260814T0000Z/ Inland Glynn-Coastal Glynn-Inland Camden-Coastal Camden- Including the cities of Colesburg, Dungeness, Tarboro, Thalmann, Waverly, Dover Bluff, Glynn Haven, Sea Island, Kingsland, Dock Junction, Jekyll Island, Woodbine, St. Simons, and Country Club Estate 448 PM EDT Wed Aug 12 2026 ...HEAT ADVISORY IS CANCELLED... ...EXTREME HEAT WARNING REMAINS IN EFFECT FROM 11 AM TO 8 PM EDT THURSDAY... * WHAT...Dangerously hot conditions with heat index values up to 113 expected. * WHERE...Coastal Camden, Coastal Glynn, Inland Camden, and Inland Glynn Counties. * WHEN...From 11 AM to 8 PM EDT Thursday. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. && $$ FLZ021-023-024-030-031-038-120-124-125-132-137-138-220-225-232-233- 237-322-325-333-422-425-433-522-533-633-GAZ152-162-264-350-364- 131200- /O.CAN.KJAX.HT.Y.0017.000000T0000Z-260812T2300Z/ /O.CON.KJAX.HT.Y.0018.260813T1500Z-260814T0000Z/ Suwannee-Baker-Inland Nassau-Union-Bradford-Inland Flagler- Eastern Hamilton-Coastal Nassau-Coastal Duval-Eastern Clay- Eastern Putnam-Coastal Flagler-Western Hamilton-Trout River- Western Clay-Northeast Coastal St. Johns-Western Putnam-Northern Columbia-South Central Duval-Southeast Coastal St. Johns- Southeastern Columbia-Western Duval-Northern Inland St. Johns- Southwestern Columbia-Southern Inland St. Johns-Western St. Johns- Brantley-Echols-Northeastern Charlton-Southern Ware-Western Charlton- Including the cities of Palatka, Saint Augustine Shore, Belmont, Suwannee Springs, Kings Ferry, Newburn, Jasper, Espanola, Picolata, Oleno State Park, Lulu, Watertown, Hortense, Ratliff, Winfield, Statenville, Starke, Live Oak, Hilliard, Hoboken, Macclenny, Atkinson, Arlington, New River, Hickox, Yulee, Raybon, Fernandina Beach, Columbia, Stephen Foster State Park, Waynesville, Winokur, Folkston, Ortega, Anastasia, Ponte Vedra Beach, Butler Beach, Saint Augustine, Bellair, West Lake, Durbin, Needmore, Lakeside, Olustee, Green Cove Springs, Suwannee Valley, Suwannee River Station, Bostwick, Andalusia, Normandy, Lake Butler, Switzerland, White Springs, Houston, San Marco, Amelia City, Bakersville, Tallyrand, Dupont Center, Oceanway, Homeland, Doctors Inlet, Jacksonville, McAlpin, Palm Coast, Middleburg, Blue Springs, Jennings, Riverside, Lake City, Bunnell, Fruit Cove, Nahunta, St. George, Bryceville, Palm Valley, Race Pond, Carraway, Orange Park, Saint Augustine South, and Saint Augustine Beach 448 PM EDT Wed Aug 12 2026 ...HEAT ADVISORY IS CANCELLED... ...HEAT ADVISORY REMAINS IN EFFECT FROM 11 AM TO 8 PM EDT THURSDAY... * WHAT...Heat index values up to 112 expected. * WHERE...Portions of northeast and northern Florida and southeast Georgia. * WHEN...From 11 AM to 8 PM EDT Thursday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. && $$ FLZ035-136-140-236-240-340-131200- /O.CON.KJAX.HT.Y.0017.000000T0000Z-260812T2300Z/ /O.CON.KJAX.HT.Y.0018.260813T1500Z-260814T0000Z/ Gilchrist-Eastern Alachua-Eastern Marion-Western Alachua-Central Marion-Western Marion- Including the cities of Lynne, Newberry, Anthony, Ocala Airport, High Springs, Ocala, Newnans Lake, Weirsdale, Gainesville Airport, Moss Bluff, Trenton, Archer, Burbank, and Gainesville 448 PM EDT Wed Aug 12 2026 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 7 PM EDT THIS EVENING... ...HEAT ADVISORY REMAINS IN EFFECT FROM 11 AM TO 8 PM EDT THURSDAY... * WHAT...For the first Heat Advisory, heat index values up to 104. For the second Heat Advisory, heat index values up to 111 expected. * WHERE...Central Marion, Eastern Alachua, Eastern Marion, Gilchrist, Western Alachua, and Western Marion Counties. * WHEN...For the first Heat Advisory, until 7 PM EDT this evening. For the second Heat Advisory, from 11 AM to 8 PM EDT Thursday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. && $$ GAZ132>135-149-131200- /O.CON.KJAX.HT.Y.0018.260813T1500Z-260814T0000Z/ Coffee-Jeff Davis-Bacon-Appling-Atkinson- Including the cities of Hazlehurst, Alma, Pearson, Baxley, New Lacy, Axson, Pine Grove, Douglas, Willacoochee, and Plant Hatch 448 PM EDT Wed Aug 12 2026 ...HEAT ADVISORY REMAINS IN EFFECT FROM 11 AM TO 8 PM EDT THURSDAY... * WHAT...Heat index values up to 107 expected. * WHERE...Appling, Atkinson, Bacon, Coffee, and Jeff Davis Counties. * WHEN...From 11 AM to 8 PM EDT Thursday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. && $$ GAZ136-151-163-250-131200- /O.CON.KJAX.HT.Y.0018.260813T1500Z-260814T0000Z/ Wayne-Pierce-Clinch-Northern Ware- Including the cities of Gardi, Homerville, Doctortown, Blackshear, Jesup, Needham, and Waycross 448 PM EDT Wed Aug 12 2026 ...HEAT ADVISORY REMAINS IN EFFECT FROM 11 AM TO 8 PM EDT THURSDAY... * WHAT...Heat index values up to 110 expected. * WHERE...Clinch, Northern Ware, Pierce, and Wayne Counties. * WHEN...From 11 AM to 8 PM EDT Thursday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. && $$ For more information, visit us at www.weather.gov/jax CHANEY Action: Continued Issued At: 2026-08-12 17:53:12 459 WWUS72 KJAX 122252 NPWJAX URGENT - WEATHER MESSAGE National Weather Service Jacksonville FL 652 PM EDT Wed Aug 12 2026 FLZ035-136-140-236-240-340-140000- /O.CAN.KJAX.HT.Y.0017.000000T0000Z-260812T2300Z/ /O.CON.KJAX.HT.Y.0018.260813T1500Z-260814T0000Z/ Gilchrist-Eastern Alachua-Eastern Marion-Western Alachua-Central Marion-Western Marion- Including the cities of Lynne, Newberry, Anthony, Ocala Airport, High Springs, Ocala, Newnans Lake, Weirsdale, Gainesville Airport, Moss Bluff, Trenton, Archer, Burbank, and Gainesville 652 PM EDT Wed Aug 12 2026 ...HEAT ADVISORY IS CANCELLED... ...HEAT ADVISORY REMAINS IN EFFECT FROM 11 AM TO 8 PM EDT THURSDAY... * WHAT...Heat index values up to 111 expected. * WHERE...Central Marion, Eastern Alachua, Eastern Marion, Gilchrist, Western Alachua, and Western Marion Counties. * WHEN...From 11 AM to 8 PM EDT Thursday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. && $$ GAZ153-154-165-166-140000- /O.CON.KJAX.XH.W.0002.260813T1500Z-260814T0000Z/ Inland Glynn-Coastal Glynn-Inland Camden-Coastal Camden- Including the cities of Colesburg, Dungeness, Tarboro, Thalmann, Waverly, Dover Bluff, Glynn Haven, Sea Island, Kingsland, Dock Junction, Jekyll Island, Woodbine, St. Simons, and Country Club Estate 652 PM EDT Wed Aug 12 2026 ...EXTREME HEAT WARNING REMAINS IN EFFECT FROM 11 AM TO 8 PM EDT THURSDAY... * WHAT...Dangerously hot conditions with heat index values up to 113 expected. * WHERE...Coastal Camden, Coastal Glynn, Inland Camden, and Inland Glynn Counties. * WHEN...From 11 AM to 8 PM EDT Thursday. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. && $$ FLZ021-023-024-030-031-038-120-124-125-132-137-138-220-225-232-233- 237-322-325-333-422-425-433-522-533-633-GAZ136-151-152-162-163-250- 264-350-364-140000- /O.CON.KJAX.HT.Y.0018.260813T1500Z-260814T0000Z/ Suwannee-Baker-Inland Nassau-Union-Bradford-Inland Flagler- Eastern Hamilton-Coastal Nassau-Coastal Duval-Eastern Clay- Eastern Putnam-Coastal Flagler-Western Hamilton-Trout River- Western Clay-Northeast Coastal St. Johns-Western Putnam-Northern Columbia-South Central Duval-Southeast Coastal St. Johns- Southeastern Columbia-Western Duval-Northern Inland St. Johns- Southwestern Columbia-Southern Inland St. Johns-Western St. Johns- Wayne-Pierce-Brantley-Echols-Clinch-Northern Ware-Northeastern Charlton-Southern Ware-Western Charlton- Including the cities of Palatka, Doctortown, Saint Augustine Shore, Belmont, Suwannee Springs, Kings Ferry, Newburn, Jasper, Espanola, Picolata, Oleno State Park, Lulu, Watertown, Hortense, Ratliff, Winfield, Statenville, Starke, Live Oak, Hilliard, Hoboken, Macclenny, Atkinson, Arlington, New River, Hickox, Yulee, Waycross, Raybon, Fernandina Beach, Columbia, Stephen Foster State Park, Waynesville, Winokur, Folkston, Ortega, Anastasia, Ponte Vedra Beach, Butler Beach, Saint Augustine, Bellair, West Lake, Durbin, Jesup, Needmore, Lakeside, Olustee, Green Cove Springs, Suwannee Valley, Suwannee River Station, Bostwick, Andalusia, Normandy, Blackshear, Lake Butler, Switzerland, Homerville, White Springs, Houston, San Marco, Amelia City, Bakersville, Tallyrand, Dupont Center, Gardi, Oceanway, Homeland, Doctors Inlet, Jacksonville, McAlpin, Palm Coast, Middleburg, Needham, Blue Springs, Jennings, Riverside, Lake City, Bunnell, Fruit Cove, Nahunta, St. George, Bryceville, Palm Valley, Race Pond, Carraway, Orange Park, Saint Augustine South, and Saint Augustine Beach 652 PM EDT Wed Aug 12 2026 ...HEAT ADVISORY REMAINS IN EFFECT FROM 11 AM TO 8 PM EDT THURSDAY... * WHAT...Heat index values up to 111 expected. * WHERE...Portions of northeast and northern Florida and southeast Georgia. * WHEN...From 11 AM to 8 PM EDT Thursday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. && $$ GAZ132>135-149-140000- /O.CON.KJAX.HT.Y.0018.260813T1500Z-260814T0000Z/ Coffee-Jeff Davis-Bacon-Appling-Atkinson- Including the cities of Hazlehurst, Alma, Pearson, Baxley, New Lacy, Axson, Pine Grove, Douglas, Willacoochee, and Plant Hatch 652 PM EDT Wed Aug 12 2026 ...HEAT ADVISORY REMAINS IN EFFECT FROM 11 AM TO 8 PM EDT THURSDAY... * WHAT...Heat index values up to 107 expected. * WHERE...Appling, Atkinson, Bacon, Coffee, and Jeff Davis Counties. * WHEN...From 11 AM to 8 PM EDT Thursday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. && $$ For more information, visit us at www.weather.gov/jax CHANEY Action: Continued Issued At: 2026-08-12 17:53:12 459 WWUS72 KJAX 122252 NPWJAX URGENT - WEATHER MESSAGE National Weather Service Jacksonville FL 652 PM EDT Wed Aug 12 2026 FLZ035-136-140-236-240-340-140000- /O.CAN.KJAX.HT.Y.0017.000000T0000Z-260812T2300Z/ /O.CON.KJAX.HT.Y.0018.260813T1500Z-260814T0000Z/ Gilchrist-Eastern Alachua-Eastern Marion-Western Alachua-Central Marion-Western Marion- Including the cities of Lynne, Newberry, Anthony, Ocala Airport, High Springs, Ocala, Newnans Lake, Weirsdale, Gainesville Airport, Moss Bluff, Trenton, Archer, Burbank, and Gainesville 652 PM EDT Wed Aug 12 2026 ...HEAT ADVISORY IS CANCELLED... ...HEAT ADVISORY REMAINS IN EFFECT FROM 11 AM TO 8 PM EDT THURSDAY... * WHAT...Heat index values up to 111 expected. * WHERE...Central Marion, Eastern Alachua, Eastern Marion, Gilchrist, Western Alachua, and Western Marion Counties. * WHEN...From 11 AM to 8 PM EDT Thursday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. && $$ GAZ153-154-165-166-140000- /O.CON.KJAX.XH.W.0002.260813T1500Z-260814T0000Z/ Inland Glynn-Coastal Glynn-Inland Camden-Coastal Camden- Including the cities of Colesburg, Dungeness, Tarboro, Thalmann, Waverly, Dover Bluff, Glynn Haven, Sea Island, Kingsland, Dock Junction, Jekyll Island, Woodbine, St. Simons, and Country Club Estate 652 PM EDT Wed Aug 12 2026 ...EXTREME HEAT WARNING REMAINS IN EFFECT FROM 11 AM TO 8 PM EDT THURSDAY... * WHAT...Dangerously hot conditions with heat index values up to 113 expected. * WHERE...Coastal Camden, Coastal Glynn, Inland Camden, and Inland Glynn Counties. * WHEN...From 11 AM to 8 PM EDT Thursday. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. && $$ FLZ021-023-024-030-031-038-120-124-125-132-137-138-220-225-232-233- 237-322-325-333-422-425-433-522-533-633-GAZ136-151-152-162-163-250- 264-350-364-140000- /O.CON.KJAX.HT.Y.0018.260813T1500Z-260814T0000Z/ Suwannee-Baker-Inland Nassau-Union-Bradford-Inland Flagler- Eastern Hamilton-Coastal Nassau-Coastal Duval-Eastern Clay- Eastern Putnam-Coastal Flagler-Western Hamilton-Trout River- Western Clay-Northeast Coastal St. Johns-Western Putnam-Northern Columbia-South Central Duval-Southeast Coastal St. Johns- Southeastern Columbia-Western Duval-Northern Inland St. Johns- Southwestern Columbia-Southern Inland St. Johns-Western St. Johns- Wayne-Pierce-Brantley-Echols-Clinch-Northern Ware-Northeastern Charlton-Southern Ware-Western Charlton- Including the cities of Palatka, Doctortown, Saint Augustine Shore, Belmont, Suwannee Springs, Kings Ferry, Newburn, Jasper, Espanola, Picolata, Oleno State Park, Lulu, Watertown, Hortense, Ratliff, Winfield, Statenville, Starke, Live Oak, Hilliard, Hoboken, Macclenny, Atkinson, Arlington, New River, Hickox, Yulee, Waycross, Raybon, Fernandina Beach, Columbia, Stephen Foster State Park, Waynesville, Winokur, Folkston, Ortega, Anastasia, Ponte Vedra Beach, Butler Beach, Saint Augustine, Bellair, West Lake, Durbin, Jesup, Needmore, Lakeside, Olustee, Green Cove Springs, Suwannee Valley, Suwannee River Station, Bostwick, Andalusia, Normandy, Blackshear, Lake Butler, Switzerland, Homerville, White Springs, Houston, San Marco, Amelia City, Bakersville, Tallyrand, Dupont Center, Gardi, Oceanway, Homeland, Doctors Inlet, Jacksonville, McAlpin, Palm Coast, Middleburg, Needham, Blue Springs, Jennings, Riverside, Lake City, Bunnell, Fruit Cove, Nahunta, St. George, Bryceville, Palm Valley, Race Pond, Carraway, Orange Park, Saint Augustine South, and Saint Augustine Beach 652 PM EDT Wed Aug 12 2026 ...HEAT ADVISORY REMAINS IN EFFECT FROM 11 AM TO 8 PM EDT THURSDAY... * WHAT...Heat index values up to 111 expected. * WHERE...Portions of northeast and northern Florida and southeast Georgia. * WHEN...From 11 AM to 8 PM EDT Thursday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. && $$ GAZ132>135-149-140000- /O.CON.KJAX.HT.Y.0018.260813T1500Z-260814T0000Z/ Coffee-Jeff Davis-Bacon-Appling-Atkinson- Including the cities of Hazlehurst, Alma, Pearson, Baxley, New Lacy, Axson, Pine Grove, Douglas, Willacoochee, and Plant Hatch 652 PM EDT Wed Aug 12 2026 ...HEAT ADVISORY REMAINS IN EFFECT FROM 11 AM TO 8 PM EDT THURSDAY... * WHAT...Heat index values up to 107 expected. * WHERE...Appling, Atkinson, Bacon, Coffee, and Jeff Davis Counties. * WHEN...From 11 AM to 8 PM EDT Thursday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. && $$ For more information, visit us at www.weather.gov/jax CHANEY Action: Continued Issued At: 2026-08-12 17:53:12 459 WWUS72 KJAX 122252 NPWJAX URGENT - WEATHER MESSAGE National Weather Service Jacksonville FL 652 PM EDT Wed Aug 12 2026 FLZ035-136-140-236-240-340-140000- /O.CAN.KJAX.HT.Y.0017.000000T0000Z-260812T2300Z/ /O.CON.KJAX.HT.Y.0018.260813T1500Z-260814T0000Z/ Gilchrist-Eastern Alachua-Eastern Marion-Western Alachua-Central Marion-Western Marion- Including the cities of Lynne, Newberry, Anthony, Ocala Airport, High Springs, Ocala, Newnans Lake, Weirsdale, Gainesville Airport, Moss Bluff, Trenton, Archer, Burbank, and Gainesville 652 PM EDT Wed Aug 12 2026 ...HEAT ADVISORY IS CANCELLED... ...HEAT ADVISORY REMAINS IN EFFECT FROM 11 AM TO 8 PM EDT THURSDAY... * WHAT...Heat index values up to 111 expected. * WHERE...Central Marion, Eastern Alachua, Eastern Marion, Gilchrist, Western Alachua, and Western Marion Counties. * WHEN...From 11 AM to 8 PM EDT Thursday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. && $$ GAZ153-154-165-166-140000- /O.CON.KJAX.XH.W.0002.260813T1500Z-260814T0000Z/ Inland Glynn-Coastal Glynn-Inland Camden-Coastal Camden- Including the cities of Colesburg, Dungeness, Tarboro, Thalmann, Waverly, Dover Bluff, Glynn Haven, Sea Island, Kingsland, Dock Junction, Jekyll Island, Woodbine, St. Simons, and Country Club Estate 652 PM EDT Wed Aug 12 2026 ...EXTREME HEAT WARNING REMAINS IN EFFECT FROM 11 AM TO 8 PM EDT THURSDAY... * WHAT...Dangerously hot conditions with heat index values up to 113 expected. * WHERE...Coastal Camden, Coastal Glynn, Inland Camden, and Inland Glynn Counties. * WHEN...From 11 AM to 8 PM EDT Thursday. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. && $$ FLZ021-023-024-030-031-038-120-124-125-132-137-138-220-225-232-233- 237-322-325-333-422-425-433-522-533-633-GAZ136-151-152-162-163-250- 264-350-364-140000- /O.CON.KJAX.HT.Y.0018.260813T1500Z-260814T0000Z/ Suwannee-Baker-Inland Nassau-Union-Bradford-Inland Flagler- Eastern Hamilton-Coastal Nassau-Coastal Duval-Eastern Clay- Eastern Putnam-Coastal Flagler-Western Hamilton-Trout River- Western Clay-Northeast Coastal St. Johns-Western Putnam-Northern Columbia-South Central Duval-Southeast Coastal St. Johns- Southeastern Columbia-Western Duval-Northern Inland St. Johns- Southwestern Columbia-Southern Inland St. Johns-Western St. Johns- Wayne-Pierce-Brantley-Echols-Clinch-Northern Ware-Northeastern Charlton-Southern Ware-Western Charlton- Including the cities of Palatka, Doctortown, Saint Augustine Shore, Belmont, Suwannee Springs, Kings Ferry, Newburn, Jasper, Espanola, Picolata, Oleno State Park, Lulu, Watertown, Hortense, Ratliff, Winfield, Statenville, Starke, Live Oak, Hilliard, Hoboken, Macclenny, Atkinson, Arlington, New River, Hickox, Yulee, Waycross, Raybon, Fernandina Beach, Columbia, Stephen Foster State Park, Waynesville, Winokur, Folkston, Ortega, Anastasia, Ponte Vedra Beach, Butler Beach, Saint Augustine, Bellair, West Lake, Durbin, Jesup, Needmore, Lakeside, Olustee, Green Cove Springs, Suwannee Valley, Suwannee River Station, Bostwick, Andalusia, Normandy, Blackshear, Lake Butler, Switzerland, Homerville, White Springs, Houston, San Marco, Amelia City, Bakersville, Tallyrand, Dupont Center, Gardi, Oceanway, Homeland, Doctors Inlet, Jacksonville, McAlpin, Palm Coast, Middleburg, Needham, Blue Springs, Jennings, Riverside, Lake City, Bunnell, Fruit Cove, Nahunta, St. George, Bryceville, Palm Valley, Race Pond, Carraway, Orange Park, Saint Augustine South, and Saint Augustine Beach 652 PM EDT Wed Aug 12 2026 ...HEAT ADVISORY REMAINS IN EFFECT FROM 11 AM TO 8 PM EDT THURSDAY... * WHAT...Heat index values up to 111 expected. * WHERE...Portions of northeast and northern Florida and southeast Georgia. * WHEN...From 11 AM to 8 PM EDT Thursday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. && $$ GAZ132>135-149-140000- /O.CON.KJAX.HT.Y.0018.260813T1500Z-260814T0000Z/ Coffee-Jeff Davis-Bacon-Appling-Atkinson- Including the cities of Hazlehurst, Alma, Pearson, Baxley, New Lacy, Axson, Pine Grove, Douglas, Willacoochee, and Plant Hatch 652 PM EDT Wed Aug 12 2026 ...HEAT ADVISORY REMAINS IN EFFECT FROM 11 AM TO 8 PM EDT THURSDAY... * WHAT...Heat index values up to 107 expected. * WHERE...Appling, Atkinson, Bacon, Coffee, and Jeff Davis Counties. * WHEN...From 11 AM to 8 PM EDT Thursday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. && $$ For more information, visit us at www.weather.gov/jax CHANEY Action: Continued Issued At: 2026-08-13 01:27:40 868 WWUS72 KJAX 130627 NPWJAX URGENT - WEATHER MESSAGE National Weather Service Jacksonville FL 227 AM EDT Thu Aug 13 2026 GAZ153-154-165-166-140030- /O.NEW.KJAX.XH.A.0003.260814T1500Z-260815T0000Z/ /O.CON.KJAX.XH.W.0002.260813T1500Z-260814T0000Z/ Inland Glynn-Coastal Glynn-Inland Camden-Coastal Camden- Including the cities of Glynn Haven, Tarboro, Waverly, St. Simons, Country Club Estate, Kingsland, Sea Island, Thalmann, Woodbine, Dover Bluff, Dock Junction, Colesburg, Dungeness, and Jekyll Island 227 AM EDT Thu Aug 13 2026 ...EXTREME HEAT WATCH IN EFFECT FROM FRIDAY MORNING THROUGH FRIDAY EVENING... ...EXTREME HEAT WARNING REMAINS IN EFFECT FROM 11 AM THIS MORNING TO 8 PM EDT THIS EVENING... * WHAT...For the Extreme Heat Warning, dangerously hot conditions with heat index values up to near 113 expected. For the Extreme Heat Watch, dangerously hot conditions with heat index values up to 113 possible. * WHERE...Coastal Camden, Coastal Glynn, Inland Camden, and Inland Glynn Counties. * WHEN...For the Extreme Heat Warning, from 11 AM this morning to 8 PM EDT this evening. For the Extreme Heat Watch, from Friday morning through Friday evening. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. && $$ FLZ021-023-024-030-031-035-038-120-124-125-132-136>138-140-220-225- 232-233-236-237-240-322-325-333-340-422-425-433-522-533-633-GAZ136- 151-152-162-163-250-264-350-364-140000- /O.CON.KJAX.HT.Y.0018.260813T1500Z-260814T0000Z/ Suwannee-Baker-Inland Nassau-Union-Bradford-Gilchrist-Inland Flagler-Eastern Hamilton-Coastal Nassau-Coastal Duval-Eastern Clay-Eastern Alachua-Eastern Putnam-Coastal Flagler-Eastern Marion-Western Hamilton-Trout River-Western Clay-Northeast Coastal St. Johns-Western Alachua-Western Putnam-Central Marion- Northern Columbia-South Central Duval-Southeast Coastal St. Johns- Western Marion-Southeastern Columbia-Western Duval-Northern Inland St. Johns-Southwestern Columbia-Southern Inland St. Johns- Western St. Johns-Wayne-Pierce-Brantley-Echols-Clinch-Northern Ware-Northeastern Charlton-Southern Ware-Western Charlton- Including the cities of Oceanway, Moss Bluff, Burbank, Fruit Cove, Newnans Lake, West Lake, Espanola, Jesup, Tallyrand, Ocala, Watertown, Hortense, Butler Beach, Folkston, Ortega, Jennings, Lake Butler, Suwannee Springs, Winokur, Switzerland, Normandy, Arlington, Anastasia, Palatka, Carraway, Suwannee Valley, Ratliff, Newberry, Columbia, Lynne, Picolata, Belmont, Starke, Saint Augustine Shore, Yulee, Hickox, Saint Augustine, Raybon, Archer, Blue Springs, Gainesville Airport, Green Cove Springs, Gainesville, Winfield, Gardi, Ponte Vedra Beach, Kings Ferry, McAlpin, Riverside, Doctortown, Trenton, Hilliard, Saint Augustine South, Lulu, Doctors Inlet, Live Oak, Bakersville, Bryceville, Amelia City, Palm Coast, Newburn, Anthony, Blackshear, Olustee, Waynesville, Nahunta, Stephen Foster State Park, Bunnell, Jasper, Orange Park, Bostwick, Homerville, Houston, Needmore, Middleburg, Weirsdale, Race Pond, Andalusia, Needham, Palm Valley, Fernandina Beach, Homeland, Jacksonville, Durbin, Atkinson, St. George, Statenville, Hoboken, White Springs, Ocala Airport, Suwannee River Station, Waycross, High Springs, Dupont Center, Oleno State Park, Bellair, San Marco, Lake City, Lakeside, Saint Augustine Beach, New River, and Macclenny 227 AM EDT Thu Aug 13 2026 ...HEAT ADVISORY REMAINS IN EFFECT FROM 11 AM THIS MORNING TO 8 PM EDT THIS EVENING... * WHAT...Heat index values up to 111 expected. * WHERE...Portions of northeast and northern Florida and southeast Georgia. * WHEN...From 11 AM this morning to 8 PM EDT this evening. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. && $$ GAZ132>135-149-140000- /O.CON.KJAX.HT.Y.0018.260813T1500Z-260814T0000Z/ Coffee-Jeff Davis-Bacon-Appling-Atkinson- Including the cities of New Lacy, Plant Hatch, Pine Grove, Baxley, Alma, Hazlehurst, Pearson, Willacoochee, Douglas, and Axson 227 AM EDT Thu Aug 13 2026 ...HEAT ADVISORY REMAINS IN EFFECT FROM 11 AM THIS MORNING TO 8 PM EDT THIS EVENING... * WHAT...Heat index values up to 108 expected. * WHERE...Appling, Atkinson, Bacon, Coffee, and Jeff Davis Counties. * WHEN...From 11 AM this morning to 8 PM EDT this evening. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. && $$ For more information, visit us at www.weather.gov/jax Action: Continued Issued At: 2026-08-13 01:27:40 868 WWUS72 KJAX 130627 NPWJAX URGENT - WEATHER MESSAGE National Weather Service Jacksonville FL 227 AM EDT Thu Aug 13 2026 GAZ153-154-165-166-140030- /O.NEW.KJAX.XH.A.0003.260814T1500Z-260815T0000Z/ /O.CON.KJAX.XH.W.0002.260813T1500Z-260814T0000Z/ Inland Glynn-Coastal Glynn-Inland Camden-Coastal Camden- Including the cities of Glynn Haven, Tarboro, Waverly, St. Simons, Country Club Estate, Kingsland, Sea Island, Thalmann, Woodbine, Dover Bluff, Dock Junction, Colesburg, Dungeness, and Jekyll Island 227 AM EDT Thu Aug 13 2026 ...EXTREME HEAT WATCH IN EFFECT FROM FRIDAY MORNING THROUGH FRIDAY EVENING... ...EXTREME HEAT WARNING REMAINS IN EFFECT FROM 11 AM THIS MORNING TO 8 PM EDT THIS EVENING... * WHAT...For the Extreme Heat Warning, dangerously hot conditions with heat index values up to near 113 expected. For the Extreme Heat Watch, dangerously hot conditions with heat index values up to 113 possible. * WHERE...Coastal Camden, Coastal Glynn, Inland Camden, and Inland Glynn Counties. * WHEN...For the Extreme Heat Warning, from 11 AM this morning to 8 PM EDT this evening. For the Extreme Heat Watch, from Friday morning through Friday evening. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. && $$ FLZ021-023-024-030-031-035-038-120-124-125-132-136>138-140-220-225- 232-233-236-237-240-322-325-333-340-422-425-433-522-533-633-GAZ136- 151-152-162-163-250-264-350-364-140000- /O.CON.KJAX.HT.Y.0018.260813T1500Z-260814T0000Z/ Suwannee-Baker-Inland Nassau-Union-Bradford-Gilchrist-Inland Flagler-Eastern Hamilton-Coastal Nassau-Coastal Duval-Eastern Clay-Eastern Alachua-Eastern Putnam-Coastal Flagler-Eastern Marion-Western Hamilton-Trout River-Western Clay-Northeast Coastal St. Johns-Western Alachua-Western Putnam-Central Marion- Northern Columbia-South Central Duval-Southeast Coastal St. Johns- Western Marion-Southeastern Columbia-Western Duval-Northern Inland St. Johns-Southwestern Columbia-Southern Inland St. Johns- Western St. Johns-Wayne-Pierce-Brantley-Echols-Clinch-Northern Ware-Northeastern Charlton-Southern Ware-Western Charlton- Including the cities of Oceanway, Moss Bluff, Burbank, Fruit Cove, Newnans Lake, West Lake, Espanola, Jesup, Tallyrand, Ocala, Watertown, Hortense, Butler Beach, Folkston, Ortega, Jennings, Lake Butler, Suwannee Springs, Winokur, Switzerland, Normandy, Arlington, Anastasia, Palatka, Carraway, Suwannee Valley, Ratliff, Newberry, Columbia, Lynne, Picolata, Belmont, Starke, Saint Augustine Shore, Yulee, Hickox, Saint Augustine, Raybon, Archer, Blue Springs, Gainesville Airport, Green Cove Springs, Gainesville, Winfield, Gardi, Ponte Vedra Beach, Kings Ferry, McAlpin, Riverside, Doctortown, Trenton, Hilliard, Saint Augustine South, Lulu, Doctors Inlet, Live Oak, Bakersville, Bryceville, Amelia City, Palm Coast, Newburn, Anthony, Blackshear, Olustee, Waynesville, Nahunta, Stephen Foster State Park, Bunnell, Jasper, Orange Park, Bostwick, Homerville, Houston, Needmore, Middleburg, Weirsdale, Race Pond, Andalusia, Needham, Palm Valley, Fernandina Beach, Homeland, Jacksonville, Durbin, Atkinson, St. George, Statenville, Hoboken, White Springs, Ocala Airport, Suwannee River Station, Waycross, High Springs, Dupont Center, Oleno State Park, Bellair, San Marco, Lake City, Lakeside, Saint Augustine Beach, New River, and Macclenny 227 AM EDT Thu Aug 13 2026 ...HEAT ADVISORY REMAINS IN EFFECT FROM 11 AM THIS MORNING TO 8 PM EDT THIS EVENING... * WHAT...Heat index values up to 111 expected. * WHERE...Portions of northeast and northern Florida and southeast Georgia. * WHEN...From 11 AM this morning to 8 PM EDT this evening. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. && $$ GAZ132>135-149-140000- /O.CON.KJAX.HT.Y.0018.260813T1500Z-260814T0000Z/ Coffee-Jeff Davis-Bacon-Appling-Atkinson- Including the cities of New Lacy, Plant Hatch, Pine Grove, Baxley, Alma, Hazlehurst, Pearson, Willacoochee, Douglas, and Axson 227 AM EDT Thu Aug 13 2026 ...HEAT ADVISORY REMAINS IN EFFECT FROM 11 AM THIS MORNING TO 8 PM EDT THIS EVENING... * WHAT...Heat index values up to 108 expected. * WHERE...Appling, Atkinson, Bacon, Coffee, and Jeff Davis Counties. * WHEN...From 11 AM this morning to 8 PM EDT this evening. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. && $$ For more information, visit us at www.weather.gov/jax Action: Continued Issued At: 2026-08-13 11:50:17 669 WWUS72 KJAX 131649 NPWJAX URGENT - WEATHER MESSAGE National Weather Service Jacksonville FL 1249 PM EDT Thu Aug 13 2026 GAZ153-154-165-166-140100- /O.UPG.KJAX.XH.A.0003.260814T1500Z-260815T0000Z/ /O.NEW.KJAX.XH.W.0003.260814T1500Z-260815T0000Z/ /O.CON.KJAX.XH.W.0002.000000T0000Z-260814T0000Z/ Inland Glynn-Coastal Glynn-Inland Camden-Coastal Camden- Including the cities of Dover Bluff, Jekyll Island, St. Simons, Woodbine, Glynn Haven, Colesburg, Thalmann, Tarboro, Waverly, Kingsland, Sea Island, Country Club Estate, Dock Junction, and Dungeness 1249 PM EDT Thu Aug 13 2026 ...EXTREME HEAT WARNING IN EFFECT FROM 11 AM TO 8 PM EDT FRIDAY... ...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM EDT THIS EVENING... * WHAT...For the first Extreme Heat Warning, dangerously hot conditions with heat index values up to 113. For the second Extreme Heat Warning, dangerously hot conditions with heat index values up to 113 expected. * WHERE...Coastal Camden, Coastal Glynn, Inland Camden, and Inland Glynn Counties. * WHEN...For the first Extreme Heat Warning, until 8 PM EDT this evening. For the second Extreme Heat Warning, from 11 AM to 8 PM EDT Friday. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. && $$ FLZ021-023-024-030-031-035-038-120-124-125-132-136>138-140-220-225- 232-233-236-237-240-322-325-333-340-422-425-433-522-533-633-GAZ136- 151-152-162-163-250-264-350-364-140100- /O.NEW.KJAX.HT.Y.0019.260814T1500Z-260815T0000Z/ /O.CON.KJAX.HT.Y.0018.000000T0000Z-260814T0000Z/ Suwannee-Baker-Inland Nassau-Union-Bradford-Gilchrist-Inland Flagler-Eastern Hamilton-Coastal Nassau-Coastal Duval-Eastern Clay-Eastern Alachua-Eastern Putnam-Coastal Flagler-Eastern Marion-Western Hamilton-Trout River-Western Clay-Northeast Coastal St. Johns-Western Alachua-Western Putnam-Central Marion- Northern Columbia-South Central Duval-Southeast Coastal St. Johns- Western Marion-Southeastern Columbia-Western Duval-Northern Inland St. Johns-Southwestern Columbia-Southern Inland St. Johns- Western St. Johns-Wayne-Pierce-Brantley-Echols-Clinch-Northern Ware-Northeastern Charlton-Southern Ware-Western Charlton- Including the cities of Lake Butler, Andalusia, Nahunta, Saint Augustine, Switzerland, Newnans Lake, Statenville, St. George, Doctortown, Atkinson, Bellair, Suwannee River Station, Normandy, Gardi, Palm Valley, Starke, Jacksonville, Tallyrand, Weirsdale, Ratliff, Raybon, Saint Augustine Beach, Riverside, Bryceville, Ocala, Houston, Columbia, Archer, Oleno State Park, Fruit Cove, Palatka, Jesup, Winokur, White Springs, Newberry, Green Cove Springs, Gainesville, McAlpin, Bostwick, Lakeside, Bakersville, Olustee, Butler Beach, Dupont Center, Newburn, Blue Springs, Gainesville Airport, Belmont, Waynesville, Anastasia, Waycross, Homeland, Jennings, Moss Bluff, West Lake, Needham, Suwannee Valley, Race Pond, Kings Ferry, Ortega, Ponte Vedra Beach, San Marco, Bunnell, Macclenny, Winfield, Homerville, Lynne, Carraway, Saint Augustine South, Fernandina Beach, Trenton, Anthony, Amelia City, Suwannee Springs, Hoboken, High Springs, Burbank, Doctors Inlet, Durbin, Middleburg, Needmore, Lake City, New River, Yulee, Espanola, Ocala Airport, Orange Park, Watertown, Hortense, Folkston, Live Oak, Hickox, Arlington, Blackshear, Lulu, Saint Augustine Shore, Hilliard, Palm Coast, Stephen Foster State Park, Picolata, Jasper, and Oceanway 1249 PM EDT Thu Aug 13 2026 ...HEAT ADVISORY IN EFFECT FROM 11 AM TO 8 PM EDT FRIDAY... ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT THIS EVENING... * WHAT...For the first Heat Advisory, heat index values up to 111. For the second Heat Advisory, heat index values up to 111 expected. * WHERE...Portions of northeast and northern Florida and southeast Georgia. * WHEN...For the first Heat Advisory, until 8 PM EDT this evening. For the second Heat Advisory, from 11 AM to 8 PM EDT Friday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. && $$ GAZ132>135-149-140100- /O.NEW.KJAX.HT.Y.0019.260814T1500Z-260815T0000Z/ /O.CON.KJAX.HT.Y.0018.000000T0000Z-260814T0000Z/ Coffee-Jeff Davis-Bacon-Appling-Atkinson- Including the cities of New Lacy, Willacoochee, Baxley, Pearson, Douglas, Axson, Hazlehurst, Pine Grove, Alma, and Plant Hatch 1249 PM EDT Thu Aug 13 2026 ...HEAT ADVISORY IN EFFECT FROM 11 AM TO 8 PM EDT FRIDAY... ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT THIS EVENING... * WHAT...For the first Heat Advisory, heat index values up to 108. For the second Heat Advisory, heat index values up to 108 expected. * WHERE...Appling, Atkinson, Bacon, Coffee, and Jeff Davis Counties. * WHEN...For the first Heat Advisory, until 8 PM EDT this evening. For the second Heat Advisory, from 11 AM to 8 PM EDT Friday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. && $$ For more information, visit us at www.weather.gov/jax PK Action: Continued Issued At: 2026-08-13 11:50:17 669 WWUS72 KJAX 131649 NPWJAX URGENT - WEATHER MESSAGE National Weather Service Jacksonville FL 1249 PM EDT Thu Aug 13 2026 GAZ153-154-165-166-140100- /O.UPG.KJAX.XH.A.0003.260814T1500Z-260815T0000Z/ /O.NEW.KJAX.XH.W.0003.260814T1500Z-260815T0000Z/ /O.CON.KJAX.XH.W.0002.000000T0000Z-260814T0000Z/ Inland Glynn-Coastal Glynn-Inland Camden-Coastal Camden- Including the cities of Dover Bluff, Jekyll Island, St. Simons, Woodbine, Glynn Haven, Colesburg, Thalmann, Tarboro, Waverly, Kingsland, Sea Island, Country Club Estate, Dock Junction, and Dungeness 1249 PM EDT Thu Aug 13 2026 ...EXTREME HEAT WARNING IN EFFECT FROM 11 AM TO 8 PM EDT FRIDAY... ...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM EDT THIS EVENING... * WHAT...For the first Extreme Heat Warning, dangerously hot conditions with heat index values up to 113. For the second Extreme Heat Warning, dangerously hot conditions with heat index values up to 113 expected. * WHERE...Coastal Camden, Coastal Glynn, Inland Camden, and Inland Glynn Counties. * WHEN...For the first Extreme Heat Warning, until 8 PM EDT this evening. For the second Extreme Heat Warning, from 11 AM to 8 PM EDT Friday. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. && $$ FLZ021-023-024-030-031-035-038-120-124-125-132-136>138-140-220-225- 232-233-236-237-240-322-325-333-340-422-425-433-522-533-633-GAZ136- 151-152-162-163-250-264-350-364-140100- /O.NEW.KJAX.HT.Y.0019.260814T1500Z-260815T0000Z/ /O.CON.KJAX.HT.Y.0018.000000T0000Z-260814T0000Z/ Suwannee-Baker-Inland Nassau-Union-Bradford-Gilchrist-Inland Flagler-Eastern Hamilton-Coastal Nassau-Coastal Duval-Eastern Clay-Eastern Alachua-Eastern Putnam-Coastal Flagler-Eastern Marion-Western Hamilton-Trout River-Western Clay-Northeast Coastal St. Johns-Western Alachua-Western Putnam-Central Marion- Northern Columbia-South Central Duval-Southeast Coastal St. Johns- Western Marion-Southeastern Columbia-Western Duval-Northern Inland St. Johns-Southwestern Columbia-Southern Inland St. Johns- Western St. Johns-Wayne-Pierce-Brantley-Echols-Clinch-Northern Ware-Northeastern Charlton-Southern Ware-Western Charlton- Including the cities of Lake Butler, Andalusia, Nahunta, Saint Augustine, Switzerland, Newnans Lake, Statenville, St. George, Doctortown, Atkinson, Bellair, Suwannee River Station, Normandy, Gardi, Palm Valley, Starke, Jacksonville, Tallyrand, Weirsdale, Ratliff, Raybon, Saint Augustine Beach, Riverside, Bryceville, Ocala, Houston, Columbia, Archer, Oleno State Park, Fruit Cove, Palatka, Jesup, Winokur, White Springs, Newberry, Green Cove Springs, Gainesville, McAlpin, Bostwick, Lakeside, Bakersville, Olustee, Butler Beach, Dupont Center, Newburn, Blue Springs, Gainesville Airport, Belmont, Waynesville, Anastasia, Waycross, Homeland, Jennings, Moss Bluff, West Lake, Needham, Suwannee Valley, Race Pond, Kings Ferry, Ortega, Ponte Vedra Beach, San Marco, Bunnell, Macclenny, Winfield, Homerville, Lynne, Carraway, Saint Augustine South, Fernandina Beach, Trenton, Anthony, Amelia City, Suwannee Springs, Hoboken, High Springs, Burbank, Doctors Inlet, Durbin, Middleburg, Needmore, Lake City, New River, Yulee, Espanola, Ocala Airport, Orange Park, Watertown, Hortense, Folkston, Live Oak, Hickox, Arlington, Blackshear, Lulu, Saint Augustine Shore, Hilliard, Palm Coast, Stephen Foster State Park, Picolata, Jasper, and Oceanway 1249 PM EDT Thu Aug 13 2026 ...HEAT ADVISORY IN EFFECT FROM 11 AM TO 8 PM EDT FRIDAY... ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT THIS EVENING... * WHAT...For the first Heat Advisory, heat index values up to 111. For the second Heat Advisory, heat index values up to 111 expected. * WHERE...Portions of northeast and northern Florida and southeast Georgia. * WHEN...For the first Heat Advisory, until 8 PM EDT this evening. For the second Heat Advisory, from 11 AM to 8 PM EDT Friday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. && $$ GAZ132>135-149-140100- /O.NEW.KJAX.HT.Y.0019.260814T1500Z-260815T0000Z/ /O.CON.KJAX.HT.Y.0018.000000T0000Z-260814T0000Z/ Coffee-Jeff Davis-Bacon-Appling-Atkinson- Including the cities of New Lacy, Willacoochee, Baxley, Pearson, Douglas, Axson, Hazlehurst, Pine Grove, Alma, and Plant Hatch 1249 PM EDT Thu Aug 13 2026 ...HEAT ADVISORY IN EFFECT FROM 11 AM TO 8 PM EDT FRIDAY... ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT THIS EVENING... * WHAT...For the first Heat Advisory, heat index values up to 108. For the second Heat Advisory, heat index values up to 108 expected. * WHERE...Appling, Atkinson, Bacon, Coffee, and Jeff Davis Counties. * WHEN...For the first Heat Advisory, until 8 PM EDT this evening. For the second Heat Advisory, from 11 AM to 8 PM EDT Friday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. && $$ For more information, visit us at www.weather.gov/jax PK Action: Expired Issued At: 2026-08-13 18:58:00 512 WWUS72 KJAX 132357 NPWJAX URGENT - WEATHER MESSAGE National Weather Service Jacksonville FL 757 PM EDT Thu Aug 13 2026 GAZ153-154-165-166-140800- /O.EXP.KJAX.XH.W.0002.000000T0000Z-260814T0000Z/ /O.CON.KJAX.XH.W.0003.260814T1500Z-260815T0000Z/ Inland Glynn-Coastal Glynn-Inland Camden-Coastal Camden- Including the cities of Tarboro, Dock Junction, Kingsland, Glynn Haven, Woodbine, St. Simons, Dover Bluff, Waverly, Thalmann, Jekyll Island, Colesburg, Country Club Estate, Sea Island, and Dungeness 757 PM EDT Thu Aug 13 2026 ...EXTREME HEAT WARNING WILL EXPIRE AT 8 PM EDT THIS EVENING... ...EXTREME HEAT WARNING REMAINS IN EFFECT FROM 11 AM TO 8 PM EDT FRIDAY... * WHAT...Dangerously hot conditions with heat index values up to 113 expected. * WHERE...Coastal Camden, Coastal Glynn, Inland Camden, and Inland Glynn Counties. * WHEN...From 11 AM to 8 PM EDT Friday. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. && $$ FLZ021-023-024-030-031-035-038-120-124-125-132-136>138-140-220-225- 232-233-236-237-240-322-325-333-340-422-425-433-522-533-633- GAZ132>136-149-151-152-162-163-250-264-350-364-140800- /O.EXP.KJAX.HT.Y.0018.000000T0000Z-260814T0000Z/ /O.CON.KJAX.HT.Y.0019.260814T1500Z-260815T0000Z/ Suwannee-Baker-Inland Nassau-Union-Bradford-Gilchrist-Inland Flagler-Eastern Hamilton-Coastal Nassau-Coastal Duval-Eastern Clay-Eastern Alachua-Eastern Putnam-Coastal Flagler-Eastern Marion-Western Hamilton-Trout River-Western Clay-Northeast Coastal St. Johns-Western Alachua-Western Putnam-Central Marion- Northern Columbia-South Central Duval-Southeast Coastal St. Johns- Western Marion-Southeastern Columbia-Western Duval-Northern Inland St. Johns-Southwestern Columbia-Southern Inland St. Johns- Western St. Johns-Coffee-Jeff Davis-Bacon-Appling-Wayne-Atkinson- Pierce-Brantley-Echols-Clinch-Northern Ware-Northeastern Charlton- Southern Ware-Western Charlton- Including the cities of Jasper, Lake Butler, Belmont, Arlington, Alma, Picolata, Newburn, Palatka, Bunnell, Hoboken, Oceanway, Newnans Lake, Switzerland, Waynesville, Yulee, Saint Augustine, Trenton, Dupont Center, Gardi, Anastasia, New Lacy, Bryceville, Weirsdale, Live Oak, Riverside, Hickox, Blackshear, Starke, Douglas, New River, Ratliff, Palm Valley, Carraway, Doctortown, Moss Bluff, Burbank, Andalusia, Waycross, Jacksonville, Ocala Airport, Espanola, Gainesville Airport, Suwannee Springs, Lynne, High Springs, Bakersville, Fernandina Beach, Folkston, Ponte Vedra Beach, Houston, Pearson, Axson, Statenville, Green Cove Springs, Macclenny, Jesup, Pine Grove, Butler Beach, Anthony, Middleburg, Bostwick, Orange Park, White Springs, Newberry, Doctors Inlet, Winokur, Ortega, Needham, San Marco, West Lake, Fruit Cove, Durbin, Suwannee River Station, Hilliard, Lulu, Suwannee Valley, Lake City, Willacoochee, Hortense, Olustee, Columbia, Homeland, Ocala, Gainesville, St. George, Archer, Lakeside, Saint Augustine South, Saint Augustine Shore, Blue Springs, Race Pond, McAlpin, Bellair, Baxley, Saint Augustine Beach, Amelia City, Plant Hatch, Tallyrand, Watertown, Atkinson, Oleno State Park, Stephen Foster State Park, Winfield, Hazlehurst, Jennings, Normandy, Needmore, Kings Ferry, Homerville, Nahunta, Raybon, and Palm Coast 757 PM EDT Thu Aug 13 2026 ...HEAT ADVISORY WILL EXPIRE AT 8 PM EDT THIS EVENING... ...HEAT ADVISORY REMAINS IN EFFECT FROM 11 AM TO 8 PM EDT FRIDAY... * WHAT...Heat index values up to 112 expected. * WHERE...Portions of northeast and northern Florida and southeast Georgia. * WHEN...From 11 AM to 8 PM EDT Friday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. && $$ For more information, visit us at www.weather.gov/jax AC | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||