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Home Return to list Heat Advisory 0020 Issued by the Jacksonville Forecast Office
Action: New Issued At: 2026-08-14 11:15:16 832 WWUS72 KJAX 141614 NPWJAX URGENT - WEATHER MESSAGE National Weather Service Jacksonville FL 1214 PM EDT Fri Aug 14 2026 GAZ153-154-165-166-150015- /O.NEW.KJAX.HT.Y.0020.260815T1500Z-260816T0000Z/ /O.CON.KJAX.XH.W.0003.000000T0000Z-260815T0000Z/ Inland Glynn-Coastal Glynn-Inland Camden-Coastal Camden- Including the cities of Waverly, Kingsland, Sea Island, Woodbine, Dungeness, St. Simons, Dover Bluff, Thalmann, Colesburg, Tarboro, Country Club Estate, Dock Junction, Jekyll Island, and Glynn Haven 1214 PM EDT Fri Aug 14 2026 ...HEAT ADVISORY IN EFFECT FROM 11 AM TO 8 PM EDT SATURDAY... ...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM EDT THIS EVENING... * WHAT...For the Extreme Heat Warning, dangerously hot conditions with heat index values up to 114. For the Heat Advisory, heat index values up to 113 expected. * WHERE...Coastal Camden, Coastal Glynn, Inland Camden, and Inland Glynn Counties. * WHEN...For the Extreme Heat Warning, until 8 PM EDT this evening. For the Heat Advisory, from 11 AM to 8 PM EDT Saturday. * 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. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes. 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. Stay cool, stay hydrated, stay informed. && $$ 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>136-149-151-152-162-163-250-264-350-364-150015- /O.NEW.KJAX.HT.Y.0020.260815T1500Z-260816T0000Z/ /O.CON.KJAX.HT.Y.0019.000000T0000Z-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 Needham, Lakeside, Durbin, Blackshear, Starke, Columbia, Houston, Lake City, Saint Augustine Beach, Folkston, Douglas, Stephen Foster State Park, Saint Augustine Shore, Pearson, Raybon, Bellair, Andalusia, Picolata, Doctortown, Winfield, Pine Grove, Yulee, Suwannee Springs, Ratliff, Belmont, Live Oak, Espanola, Bostwick, Bunnell, Carraway, Newnans Lake, Oceanway, Newburn, Ocala Airport, Palm Valley, High Springs, Normandy, Amelia City, Needmore, Statenville, Ponte Vedra Beach, Jennings, Blue Springs, Jacksonville, Alma, Nahunta, West Lake, Willacoochee, Newberry, Fruit Cove, Gardi, Waynesville, Jasper, Suwannee River Station, Olustee, Gainesville, Bryceville, Hickox, New Lacy, Palm Coast, Anastasia, Oleno State Park, Arlington, Homerville, Lynne, Dupont Center, Burbank, Jesup, Butler Beach, Riverside, Saint Augustine South, Plant Hatch, White Springs, Middleburg, Doctors Inlet, Saint Augustine, Baxley, Gainesville Airport, Hazlehurst, Hoboken, Axson, Lulu, Green Cove Springs, Waycross, San Marco, St. George, Palatka, Archer, Macclenny, Anthony, Suwannee Valley, Hortense, Switzerland, New River, Moss Bluff, Watertown, Trenton, Ocala, Lake Butler, Winokur, Bakersville, Hilliard, Orange Park, Tallyrand, McAlpin, Atkinson, Ortega, Race Pond, Kings Ferry, Homeland, Weirsdale, and Fernandina Beach 1214 PM EDT Fri Aug 14 2026 ...HEAT ADVISORY IN EFFECT FROM 11 AM TO 8 PM EDT SATURDAY... ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT THIS EVENING... * WHAT...For the first Heat Advisory, heat index values up to 112. For the second Heat Advisory, heat index values up to 112 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 Saturday. * 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: New Issued At: 2026-08-14 11:15:16 832 WWUS72 KJAX 141614 NPWJAX URGENT - WEATHER MESSAGE National Weather Service Jacksonville FL 1214 PM EDT Fri Aug 14 2026 GAZ153-154-165-166-150015- /O.NEW.KJAX.HT.Y.0020.260815T1500Z-260816T0000Z/ /O.CON.KJAX.XH.W.0003.000000T0000Z-260815T0000Z/ Inland Glynn-Coastal Glynn-Inland Camden-Coastal Camden- Including the cities of Waverly, Kingsland, Sea Island, Woodbine, Dungeness, St. Simons, Dover Bluff, Thalmann, Colesburg, Tarboro, Country Club Estate, Dock Junction, Jekyll Island, and Glynn Haven 1214 PM EDT Fri Aug 14 2026 ...HEAT ADVISORY IN EFFECT FROM 11 AM TO 8 PM EDT SATURDAY... ...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM EDT THIS EVENING... * WHAT...For the Extreme Heat Warning, dangerously hot conditions with heat index values up to 114. For the Heat Advisory, heat index values up to 113 expected. * WHERE...Coastal Camden, Coastal Glynn, Inland Camden, and Inland Glynn Counties. * WHEN...For the Extreme Heat Warning, until 8 PM EDT this evening. For the Heat Advisory, from 11 AM to 8 PM EDT Saturday. * 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. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes. 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. Stay cool, stay hydrated, stay informed. && $$ 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>136-149-151-152-162-163-250-264-350-364-150015- /O.NEW.KJAX.HT.Y.0020.260815T1500Z-260816T0000Z/ /O.CON.KJAX.HT.Y.0019.000000T0000Z-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 Needham, Lakeside, Durbin, Blackshear, Starke, Columbia, Houston, Lake City, Saint Augustine Beach, Folkston, Douglas, Stephen Foster State Park, Saint Augustine Shore, Pearson, Raybon, Bellair, Andalusia, Picolata, Doctortown, Winfield, Pine Grove, Yulee, Suwannee Springs, Ratliff, Belmont, Live Oak, Espanola, Bostwick, Bunnell, Carraway, Newnans Lake, Oceanway, Newburn, Ocala Airport, Palm Valley, High Springs, Normandy, Amelia City, Needmore, Statenville, Ponte Vedra Beach, Jennings, Blue Springs, Jacksonville, Alma, Nahunta, West Lake, Willacoochee, Newberry, Fruit Cove, Gardi, Waynesville, Jasper, Suwannee River Station, Olustee, Gainesville, Bryceville, Hickox, New Lacy, Palm Coast, Anastasia, Oleno State Park, Arlington, Homerville, Lynne, Dupont Center, Burbank, Jesup, Butler Beach, Riverside, Saint Augustine South, Plant Hatch, White Springs, Middleburg, Doctors Inlet, Saint Augustine, Baxley, Gainesville Airport, Hazlehurst, Hoboken, Axson, Lulu, Green Cove Springs, Waycross, San Marco, St. George, Palatka, Archer, Macclenny, Anthony, Suwannee Valley, Hortense, Switzerland, New River, Moss Bluff, Watertown, Trenton, Ocala, Lake Butler, Winokur, Bakersville, Hilliard, Orange Park, Tallyrand, McAlpin, Atkinson, Ortega, Race Pond, Kings Ferry, Homeland, Weirsdale, and Fernandina Beach 1214 PM EDT Fri Aug 14 2026 ...HEAT ADVISORY IN EFFECT FROM 11 AM TO 8 PM EDT SATURDAY... ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT THIS EVENING... * WHAT...For the first Heat Advisory, heat index values up to 112. For the second Heat Advisory, heat index values up to 112 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 Saturday. * 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: 2026-08-14 19:02:00 716 WWUS72 KJAX 150001 NPWJAX URGENT - WEATHER MESSAGE National Weather Service Jacksonville FL 801 PM EDT Fri Aug 14 2026 GAZ153-154-165-166-150815- /O.EXP.KJAX.XH.W.0003.000000T0000Z-260815T0000Z/ /O.CON.KJAX.HT.Y.0020.260815T1500Z-260816T0000Z/ Inland Glynn-Coastal Glynn-Inland Camden-Coastal Camden- Including the cities of Glynn Haven, Dover Bluff, Dock Junction, Tarboro, Colesburg, Waverly, Country Club Estate, St. Simons, Sea Island, Jekyll Island, Woodbine, Kingsland, Dungeness, and Thalmann 801 PM EDT Fri Aug 14 2026 ...EXTREME HEAT WARNING HAS EXPIRED... ...HEAT ADVISORY REMAINS IN EFFECT FROM 11 AM TO 8 PM EDT SATURDAY... * WHAT...Heat index values up to 112 expected. * WHERE...Coastal Camden, Coastal Glynn, Inland Camden, and Inland Glynn Counties. * WHEN...From 11 AM to 8 PM EDT Saturday. * 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- GAZ132>136-149-151-152-162-163-250-264-350-364-150815- /O.EXP.KJAX.HT.Y.0019.000000T0000Z-260815T0000Z/ /O.CON.KJAX.HT.Y.0020.260815T1500Z-260816T0000Z/ 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 High Springs, White Springs, Hickox, Switzerland, Oceanway, Ponte Vedra Beach, Jennings, Macclenny, Suwannee Springs, Ortega, Atkinson, Jacksonville, Bryceville, Bostwick, Hortense, Folkston, Palm Coast, Alma, Bunnell, Waycross, Ocala Airport, Belmont, San Marco, Anastasia, Burbank, Hilliard, Blackshear, Weirsdale, Tallyrand, Ocala, Palm Valley, Archer, Blue Springs, Suwannee Valley, Espanola, Homeland, Moss Bluff, Gardi, Hazlehurst, Normandy, Bellair, St. George, Watertown, Gainesville Airport, Carraway, Trenton, Newberry, Orange Park, New Lacy, Doctortown, Baxley, Bakersville, Amelia City, Newburn, Hoboken, Gainesville, Andalusia, Arlington, Pearson, Fernandina Beach, Suwannee River Station, Starke, Lakeside, Newnans Lake, Jasper, Jesup, Raybon, Kings Ferry, Lake Butler, Palatka, Doctors Inlet, Winokur, Saint Augustine Beach, Olustee, West Lake, Live Oak, Fruit Cove, Winfield, Waynesville, Axson, Nahunta, Dupont Center, Pine Grove, Plant Hatch, Lulu, Ratliff, Yulee, Lake City, Anthony, Needmore, Race Pond, Middleburg, Statenville, Riverside, Homerville, Butler Beach, Saint Augustine, Needham, Oleno State Park, New River, Douglas, Stephen Foster State Park, Houston, Columbia, Lynne, Green Cove Springs, Picolata, Saint Augustine South, McAlpin, Durbin, Saint Augustine Shore, and Willacoochee 801 PM EDT Fri Aug 14 2026 ...HEAT ADVISORY HAS EXPIRED... ...HEAT ADVISORY REMAINS IN EFFECT FROM 11 AM TO 8 PM EDT SATURDAY... * 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 Saturday. * 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 Action: Continued Issued At: 2026-08-14 19:02:00 716 WWUS72 KJAX 150001 NPWJAX URGENT - WEATHER MESSAGE National Weather Service Jacksonville FL 801 PM EDT Fri Aug 14 2026 GAZ153-154-165-166-150815- /O.EXP.KJAX.XH.W.0003.000000T0000Z-260815T0000Z/ /O.CON.KJAX.HT.Y.0020.260815T1500Z-260816T0000Z/ Inland Glynn-Coastal Glynn-Inland Camden-Coastal Camden- Including the cities of Glynn Haven, Dover Bluff, Dock Junction, Tarboro, Colesburg, Waverly, Country Club Estate, St. Simons, Sea Island, Jekyll Island, Woodbine, Kingsland, Dungeness, and Thalmann 801 PM EDT Fri Aug 14 2026 ...EXTREME HEAT WARNING HAS EXPIRED... ...HEAT ADVISORY REMAINS IN EFFECT FROM 11 AM TO 8 PM EDT SATURDAY... * WHAT...Heat index values up to 112 expected. * WHERE...Coastal Camden, Coastal Glynn, Inland Camden, and Inland Glynn Counties. * WHEN...From 11 AM to 8 PM EDT Saturday. * 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- GAZ132>136-149-151-152-162-163-250-264-350-364-150815- /O.EXP.KJAX.HT.Y.0019.000000T0000Z-260815T0000Z/ /O.CON.KJAX.HT.Y.0020.260815T1500Z-260816T0000Z/ 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 High Springs, White Springs, Hickox, Switzerland, Oceanway, Ponte Vedra Beach, Jennings, Macclenny, Suwannee Springs, Ortega, Atkinson, Jacksonville, Bryceville, Bostwick, Hortense, Folkston, Palm Coast, Alma, Bunnell, Waycross, Ocala Airport, Belmont, San Marco, Anastasia, Burbank, Hilliard, Blackshear, Weirsdale, Tallyrand, Ocala, Palm Valley, Archer, Blue Springs, Suwannee Valley, Espanola, Homeland, Moss Bluff, Gardi, Hazlehurst, Normandy, Bellair, St. George, Watertown, Gainesville Airport, Carraway, Trenton, Newberry, Orange Park, New Lacy, Doctortown, Baxley, Bakersville, Amelia City, Newburn, Hoboken, Gainesville, Andalusia, Arlington, Pearson, Fernandina Beach, Suwannee River Station, Starke, Lakeside, Newnans Lake, Jasper, Jesup, Raybon, Kings Ferry, Lake Butler, Palatka, Doctors Inlet, Winokur, Saint Augustine Beach, Olustee, West Lake, Live Oak, Fruit Cove, Winfield, Waynesville, Axson, Nahunta, Dupont Center, Pine Grove, Plant Hatch, Lulu, Ratliff, Yulee, Lake City, Anthony, Needmore, Race Pond, Middleburg, Statenville, Riverside, Homerville, Butler Beach, Saint Augustine, Needham, Oleno State Park, New River, Douglas, Stephen Foster State Park, Houston, Columbia, Lynne, Green Cove Springs, Picolata, Saint Augustine South, McAlpin, Durbin, Saint Augustine Shore, and Willacoochee 801 PM EDT Fri Aug 14 2026 ...HEAT ADVISORY HAS EXPIRED... ...HEAT ADVISORY REMAINS IN EFFECT FROM 11 AM TO 8 PM EDT SATURDAY... * 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 Saturday. * 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 Action: Continued Issued At: 2026-08-14 23:03:08 880 WWUS72 KJAX 150402 NPWJAX URGENT - WEATHER MESSAGE National Weather Service Jacksonville FL 1202 AM EDT Sat Aug 15 2026 GAZ152>154-165-166-160000- /O.UPG.KJAX.HT.Y.0020.260815T1500Z-260816T0000Z/ /O.NEW.KJAX.XH.W.0004.260815T1500Z-260816T0000Z/ Brantley-Inland Glynn-Coastal Glynn-Inland Camden-Coastal Camden- Including the cities of Raybon, Hickox, Colesburg, Waynesville, Hortense, Dungeness, Kingsland, Country Club Estate, Nahunta, Atkinson, Glynn Haven, St. Simons, Thalmann, Woodbine, Dover Bluff, Hoboken, Dock Junction, Sea Island, Tarboro, Jekyll Island, and Waverly 1202 AM EDT Sat Aug 15 2026 ...EXTREME HEAT WARNING IN EFFECT FROM 11 AM THIS MORNING TO 8 PM EDT THIS EVENING... * WHAT...Dangerously hot conditions with heat index values up to 115 expected. * WHERE...Brantley, Coastal Camden, Coastal Glynn, Inland Camden, and Inland Glynn Counties. * WHEN...From 11 AM this morning to 8 PM EDT this 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. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes. 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. Stay cool, stay hydrated, stay informed. && $$ 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>136-149-151-162-163-250-264-350-364-160000- /O.CON.KJAX.HT.Y.0020.260815T1500Z-260816T0000Z/ 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-Echols-Clinch-Northern Ware-Northeastern Charlton-Southern Ware-Western Charlton- Including the cities of Saint Augustine Shore, Winokur, Doctors Inlet, San Marco, Andalusia, Doctortown, Blue Springs, Palatka, Bunnell, St. George, Oceanway, Suwannee Valley, Fernandina Beach, Orange Park, Bellair, Durbin, Butler Beach, Yulee, Oleno State Park, Picolata, Suwannee River Station, Ortega, Anthony, Belmont, Trenton, Pearson, Starke, Ratliff, Lakeside, Needham, Ocala Airport, Statenville, Baxley, Houston, Bostwick, Palm Valley, Homerville, Kings Ferry, Douglas, Palm Coast, Folkston, New River, Newburn, Live Oak, Ponte Vedra Beach, High Springs, Lynne, Olustee, Jennings, Hilliard, Jasper, Newnans Lake, Willacoochee, Blackshear, Alma, Espanola, Anastasia, Amelia City, Gainesville, Bryceville, Suwannee Springs, Columbia, Homeland, Saint Augustine, Riverside, Hazlehurst, Switzerland, New Lacy, Saint Augustine South, Macclenny, Green Cove Springs, Gainesville Airport, Tallyrand, Burbank, Fruit Cove, Lulu, Gardi, Jacksonville, Pine Grove, Newberry, Needmore, Jesup, Carraway, Waycross, Race Pond, White Springs, Lake Butler, Lake City, West Lake, Bakersville, Axson, Dupont Center, Saint Augustine Beach, Arlington, Middleburg, Plant Hatch, Normandy, Watertown, Ocala, Stephen Foster State Park, McAlpin, Weirsdale, Moss Bluff, Archer, and Winfield 1202 AM EDT Sat Aug 15 2026 ...HEAT ADVISORY REMAINS IN EFFECT FROM 11 AM THIS MORNING TO 8 PM EDT THIS EVENING... * WHAT...Heat index values up to 112 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. 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. && $$ For more information, visit us at www.weather.gov/jax NELSON Action: Upgraded Issued At: 2026-08-14 23:03:08 880 WWUS72 KJAX 150402 NPWJAX URGENT - WEATHER MESSAGE National Weather Service Jacksonville FL 1202 AM EDT Sat Aug 15 2026 GAZ152>154-165-166-160000- /O.UPG.KJAX.HT.Y.0020.260815T1500Z-260816T0000Z/ /O.NEW.KJAX.XH.W.0004.260815T1500Z-260816T0000Z/ Brantley-Inland Glynn-Coastal Glynn-Inland Camden-Coastal Camden- Including the cities of Raybon, Hickox, Colesburg, Waynesville, Hortense, Dungeness, Kingsland, Country Club Estate, Nahunta, Atkinson, Glynn Haven, St. Simons, Thalmann, Woodbine, Dover Bluff, Hoboken, Dock Junction, Sea Island, Tarboro, Jekyll Island, and Waverly 1202 AM EDT Sat Aug 15 2026 ...EXTREME HEAT WARNING IN EFFECT FROM 11 AM THIS MORNING TO 8 PM EDT THIS EVENING... * WHAT...Dangerously hot conditions with heat index values up to 115 expected. * WHERE...Brantley, Coastal Camden, Coastal Glynn, Inland Camden, and Inland Glynn Counties. * WHEN...From 11 AM this morning to 8 PM EDT this 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. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes. 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. Stay cool, stay hydrated, stay informed. && $$ 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>136-149-151-162-163-250-264-350-364-160000- /O.CON.KJAX.HT.Y.0020.260815T1500Z-260816T0000Z/ 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-Echols-Clinch-Northern Ware-Northeastern Charlton-Southern Ware-Western Charlton- Including the cities of Saint Augustine Shore, Winokur, Doctors Inlet, San Marco, Andalusia, Doctortown, Blue Springs, Palatka, Bunnell, St. George, Oceanway, Suwannee Valley, Fernandina Beach, Orange Park, Bellair, Durbin, Butler Beach, Yulee, Oleno State Park, Picolata, Suwannee River Station, Ortega, Anthony, Belmont, Trenton, Pearson, Starke, Ratliff, Lakeside, Needham, Ocala Airport, Statenville, Baxley, Houston, Bostwick, Palm Valley, Homerville, Kings Ferry, Douglas, Palm Coast, Folkston, New River, Newburn, Live Oak, Ponte Vedra Beach, High Springs, Lynne, Olustee, Jennings, Hilliard, Jasper, Newnans Lake, Willacoochee, Blackshear, Alma, Espanola, Anastasia, Amelia City, Gainesville, Bryceville, Suwannee Springs, Columbia, Homeland, Saint Augustine, Riverside, Hazlehurst, Switzerland, New Lacy, Saint Augustine South, Macclenny, Green Cove Springs, Gainesville Airport, Tallyrand, Burbank, Fruit Cove, Lulu, Gardi, Jacksonville, Pine Grove, Newberry, Needmore, Jesup, Carraway, Waycross, Race Pond, White Springs, Lake Butler, Lake City, West Lake, Bakersville, Axson, Dupont Center, Saint Augustine Beach, Arlington, Middleburg, Plant Hatch, Normandy, Watertown, Ocala, Stephen Foster State Park, McAlpin, Weirsdale, Moss Bluff, Archer, and Winfield 1202 AM EDT Sat Aug 15 2026 ...HEAT ADVISORY REMAINS IN EFFECT FROM 11 AM THIS MORNING TO 8 PM EDT THIS EVENING... * WHAT...Heat index values up to 112 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. 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. && $$ For more information, visit us at www.weather.gov/jax NELSON Action: Continued Issued At: 2026-08-15 10:50:19 619 WWUS72 KJAX 151549 NPWJAX URGENT - WEATHER MESSAGE National Weather Service Jacksonville FL 1149 AM EDT Sat Aug 15 2026 GAZ152>154-165-166-160000- /O.NEW.KJAX.HT.Y.0021.260816T1500Z-260817T0000Z/ /O.CON.KJAX.XH.W.0004.000000T0000Z-260816T0000Z/ Brantley-Inland Glynn-Coastal Glynn-Inland Camden-Coastal Camden- Including the cities of Atkinson, Hickox, Glynn Haven, Country Club Estate, Dover Bluff, Waynesville, Woodbine, Tarboro, Dungeness, Sea Island, Nahunta, Raybon, Kingsland, St. Simons, Thalmann, Hoboken, Hortense, Jekyll Island, Waverly, Dock Junction, and Colesburg 1149 AM EDT Sat Aug 15 2026 ...HEAT ADVISORY IN EFFECT FROM 11 AM TO 8 PM EDT SUNDAY... ...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM EDT THIS EVENING... * WHAT...For the Extreme Heat Warning, dangerously hot conditions with heat index values up to 113. For the Heat Advisory, heat index values up to 112 expected. * WHERE...Brantley, Coastal Camden, Coastal Glynn, Inland Camden, and Inland Glynn Counties. * WHEN...For the Extreme Heat Warning, until 8 PM EDT this evening. For the Heat Advisory, from 11 AM to 8 PM EDT Sunday. * 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. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes. 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. Stay cool, stay hydrated, stay informed. && $$ 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>136-149-151-162-163-250-264-350-364-160000- /O.NEW.KJAX.HT.Y.0021.260816T1500Z-260817T0000Z/ /O.CON.KJAX.HT.Y.0020.000000T0000Z-260816T0000Z/ 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-Echols-Clinch-Northern Ware-Northeastern Charlton-Southern Ware-Western Charlton- Including the cities of Butler Beach, Burbank, Espanola, Alma, Lynne, Palatka, Fruit Cove, Lake Butler, Blue Springs, Doctortown, Needmore, Bakersville, Anthony, Trenton, Ocala Airport, Jacksonville, Belmont, Bryceville, Arlington, Houston, Amelia City, Anastasia, Newnans Lake, Plant Hatch, Lakeside, Willacoochee, Doctors Inlet, McAlpin, Hazlehurst, Statenville, Andalusia, Gardi, Archer, Jasper, Oleno State Park, Dupont Center, Bunnell, West Lake, Baxley, Bostwick, Race Pond, Pine Grove, Picolata, Ocala, Saint Augustine, Palm Valley, Suwannee River Station, Ponte Vedra Beach, Douglas, Gainesville, Tallyrand, San Marco, Newberry, Switzerland, New River, Needham, Newburn, High Springs, Lake City, Homeland, Saint Augustine Shore, Jesup, New Lacy, Live Oak, Jennings, Gainesville Airport, Middleburg, Columbia, Winokur, Weirsdale, Macclenny, White Springs, Winfield, Normandy, Moss Bluff, Stephen Foster State Park, Carraway, Folkston, Olustee, Starke, Fernandina Beach, Saint Augustine South, Homerville, Bellair, Ratliff, Pearson, Lulu, Palm Coast, Waycross, Green Cove Springs, Kings Ferry, Riverside, Orange Park, Axson, Durbin, Hilliard, Suwannee Springs, Oceanway, Ortega, Yulee, Watertown, Suwannee Valley, St. George, Blackshear, and Saint Augustine Beach 1149 AM EDT Sat Aug 15 2026 ...HEAT ADVISORY IN EFFECT FROM 11 AM TO 8 PM EDT SUNDAY... ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT THIS EVENING... * WHAT...For the first Heat Advisory, heat index values up to 110. 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 8 PM EDT this evening. For the second Heat Advisory, from 11 AM to 8 PM EDT Sunday. * 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. && $$ For more information, visit us at www.weather.gov/jax CORLESS Action: Cancelled Issued At: 2026-08-15 18:39:32 802 WWUS72 KJAX 152339 NPWJAX URGENT - WEATHER MESSAGE National Weather Service Jacksonville FL 739 PM EDT Sat Aug 15 2026 GAZ152>154-165-166-160745- /O.CAN.KJAX.XH.W.0004.000000T0000Z-260816T0000Z/ /O.CON.KJAX.HT.Y.0021.260816T1500Z-260817T0000Z/ Brantley-Inland Glynn-Coastal Glynn-Inland Camden-Coastal Camden- Including the cities of Dock Junction, Atkinson, Country Club Estate, Sea Island, Glynn Haven, Hickox, Dungeness, Jekyll Island, Dover Bluff, Waverly, Tarboro, Nahunta, Colesburg, Waynesville, Raybon, St. Simons, Kingsland, Woodbine, Thalmann, Hoboken, and Hortense 739 PM EDT Sat Aug 15 2026 ...EXTREME HEAT WARNING IS CANCELLED... ...HEAT ADVISORY REMAINS IN EFFECT FROM 11 AM TO 8 PM EDT SUNDAY... * WHAT...Heat index values up to 111 expected. * WHERE...Brantley, Coastal Camden, Coastal Glynn, Inland Camden, and Inland Glynn Counties. * WHEN...From 11 AM to 8 PM EDT Sunday. * 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- GAZ132>136-149-151-162-163-250-264-350-364-160745- /O.CAN.KJAX.HT.Y.0020.000000T0000Z-260816T0000Z/ /O.CON.KJAX.HT.Y.0021.260816T1500Z-260817T0000Z/ 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-Echols-Clinch-Northern Ware-Northeastern Charlton-Southern Ware-Western Charlton- Including the cities of Belmont, Jacksonville, Oleno State Park, Amelia City, Carraway, Jasper, Anthony, Ortega, Suwannee Valley, Axson, Riverside, Bunnell, Durbin, Needmore, Bryceville, Switzerland, Newberry, Espanola, Lake Butler, Newburn, High Springs, St. George, Palm Valley, Doctortown, Saint Augustine Shore, Live Oak, Gardi, Yulee, Normandy, Pearson, White Springs, Orange Park, Kings Ferry, Willacoochee, Waycross, San Marco, Suwannee River Station, Blackshear, Oceanway, Bakersville, West Lake, Pine Grove, Stephen Foster State Park, Hazlehurst, Winokur, Statenville, Bellair, Lulu, Gainesville Airport, Lakeside, Palm Coast, Saint Augustine Beach, Ratliff, Arlington, Saint Augustine South, Butler Beach, New River, Baxley, Homerville, Bostwick, Winfield, Macclenny, Douglas, Lake City, Jennings, Olustee, Middleburg, Green Cove Springs, Blue Springs, Needham, Andalusia, Watertown, Saint Augustine, Fruit Cove, Archer, Fernandina Beach, Trenton, McAlpin, Anastasia, Starke, Columbia, Palatka, Suwannee Springs, Gainesville, Homeland, Plant Hatch, Ponte Vedra Beach, Alma, Race Pond, Doctors Inlet, Hilliard, Tallyrand, Picolata, Dupont Center, Houston, Burbank, Weirsdale, New Lacy, Jesup, Lynne, Newnans Lake, Folkston, Moss Bluff, Ocala, and Ocala Airport 739 PM EDT Sat Aug 15 2026 ...HEAT ADVISORY IS CANCELLED... ...HEAT ADVISORY REMAINS IN EFFECT FROM 11 AM TO 8 PM EDT SUNDAY... * 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 Sunday. * 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 DUBOIS | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||