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Home Return to list Heat Advisory 0017 Issued by the Jacksonville Forecast Office
Action: New Issued At: 2026-08-11 11:44:46 792 WWUS72 KJAX 111644 NPWJAX URGENT - WEATHER MESSAGE National Weather Service Jacksonville FL 1244 PM EDT Tue Aug 11 2026 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-GAZ153- 154-165-166-120045- /O.NEW.KJAX.HT.Y.0017.260812T1600Z-260812T2300Z/ /O.CON.KJAX.HT.Y.0016.000000T0000Z-260811T2300Z/ 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-Inland Glynn-Coastal Glynn-Inland Camden- Coastal Camden- Including the cities of Doctors Inlet, Green Cove Springs, Columbia, St. Simons, San Marco, Jasper, McAlpin, Orange Park, Amelia City, Newnans Lake, Fruit Cove, Macclenny, Espanola, Arlington, Saint Augustine Beach, Bellair, Butler Beach, Ratliff, Bostwick, Anastasia, West Lake, Dock Junction, Jacksonville, Middleburg, Carraway, Starke, Gainesville Airport, Anthony, Jennings, Switzerland, Glynn Haven, Bryceville, Weirsdale, Bakersville, Colesburg, Winfield, Durbin, Bunnell, Palm Valley, Blue Springs, Ocala, Ortega, Lake City, Oceanway, Lynne, Kings Ferry, Dungeness, Lulu, Kingsland, Ocala Airport, Hilliard, Tallyrand, Live Oak, Dover Bluff, Oleno State Park, Woodbine, Olustee, Houston, Jekyll Island, White Springs, Newberry, Andalusia, Normandy, Suwannee Springs, Tarboro, Lakeside, Saint Augustine South, Saint Augustine, Riverside, Waverly, New River, Gainesville, Suwannee Valley, Lake Butler, Newburn, Burbank, Picolata, Palm Coast, Trenton, Suwannee River Station, Watertown, Dupont Center, Yulee, Country Club Estate, Belmont, Saint Augustine Shore, Ponte Vedra Beach, High Springs, Palatka, Archer, Sea Island, Thalmann, Fernandina Beach, and Moss Bluff 1244 PM EDT Tue Aug 11 2026 ...HEAT ADVISORY IN EFFECT FROM NOON TO 7 PM EDT WEDNESDAY... ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 7 PM EDT THIS EVENING... * WHAT...For the first Heat Advisory, heat index values up to 109. 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 noon to 7 PM EDT Wednesday. * 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. && $$ GAZ162-120045- /O.NEW.KJAX.HT.Y.0017.260812T1600Z-260812T2300Z/ Echols- Including the cities of Statenville and Needmore 1244 PM EDT Tue Aug 11 2026 ...HEAT ADVISORY IN EFFECT FROM NOON TO 7 PM EDT WEDNESDAY... * WHAT...Heat index values up to 109 expected. * WHERE...Echols County. * WHEN...From noon to 7 PM EDT Wednesday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. && $$ For more information, visit us at www.weather.gov/jax PK Action: New Issued At: 2026-08-11 11:44:46 792 WWUS72 KJAX 111644 NPWJAX URGENT - WEATHER MESSAGE National Weather Service Jacksonville FL 1244 PM EDT Tue Aug 11 2026 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-GAZ153- 154-165-166-120045- /O.NEW.KJAX.HT.Y.0017.260812T1600Z-260812T2300Z/ /O.CON.KJAX.HT.Y.0016.000000T0000Z-260811T2300Z/ 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-Inland Glynn-Coastal Glynn-Inland Camden- Coastal Camden- Including the cities of Doctors Inlet, Green Cove Springs, Columbia, St. Simons, San Marco, Jasper, McAlpin, Orange Park, Amelia City, Newnans Lake, Fruit Cove, Macclenny, Espanola, Arlington, Saint Augustine Beach, Bellair, Butler Beach, Ratliff, Bostwick, Anastasia, West Lake, Dock Junction, Jacksonville, Middleburg, Carraway, Starke, Gainesville Airport, Anthony, Jennings, Switzerland, Glynn Haven, Bryceville, Weirsdale, Bakersville, Colesburg, Winfield, Durbin, Bunnell, Palm Valley, Blue Springs, Ocala, Ortega, Lake City, Oceanway, Lynne, Kings Ferry, Dungeness, Lulu, Kingsland, Ocala Airport, Hilliard, Tallyrand, Live Oak, Dover Bluff, Oleno State Park, Woodbine, Olustee, Houston, Jekyll Island, White Springs, Newberry, Andalusia, Normandy, Suwannee Springs, Tarboro, Lakeside, Saint Augustine South, Saint Augustine, Riverside, Waverly, New River, Gainesville, Suwannee Valley, Lake Butler, Newburn, Burbank, Picolata, Palm Coast, Trenton, Suwannee River Station, Watertown, Dupont Center, Yulee, Country Club Estate, Belmont, Saint Augustine Shore, Ponte Vedra Beach, High Springs, Palatka, Archer, Sea Island, Thalmann, Fernandina Beach, and Moss Bluff 1244 PM EDT Tue Aug 11 2026 ...HEAT ADVISORY IN EFFECT FROM NOON TO 7 PM EDT WEDNESDAY... ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 7 PM EDT THIS EVENING... * WHAT...For the first Heat Advisory, heat index values up to 109. 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 noon to 7 PM EDT Wednesday. * 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. && $$ GAZ162-120045- /O.NEW.KJAX.HT.Y.0017.260812T1600Z-260812T2300Z/ Echols- Including the cities of Statenville and Needmore 1244 PM EDT Tue Aug 11 2026 ...HEAT ADVISORY IN EFFECT FROM NOON TO 7 PM EDT WEDNESDAY... * WHAT...Heat index values up to 109 expected. * WHERE...Echols County. * WHEN...From noon to 7 PM EDT Wednesday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. && $$ For more information, visit us at www.weather.gov/jax PK Action: Continued Issued At: 2026-08-11 21:06:00 484 WWUS72 KJAX 120205 NPWJAX URGENT - WEATHER MESSAGE National Weather Service Jacksonville FL 1005 PM EDT Tue Aug 11 2026 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-GAZ153- 154-162-165-166-122300- /O.CON.KJAX.HT.Y.0017.260812T1600Z-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-Inland Glynn-Coastal Glynn-Echols-Inland Camden- Coastal Camden- Including the cities of Dupont Center, Suwannee Valley, Colesburg, Ratliff, Gainesville Airport, Picolata, Oceanway, Ortega, Tarboro, Saint Augustine Shore, Ocala, Bunnell, Bakersville, Waverly, Saint Augustine Beach, Normandy, Orange Park, Carraway, Woodbine, Lulu, Houston, Country Club Estate, Saint Augustine South, Newnans Lake, Blue Springs, Palm Valley, Anthony, Trenton, Winfield, Anastasia, Bellair, Gainesville, Lakeside, Burbank, Statenville, West Lake, Green Cove Springs, Columbia, Oleno State Park, Saint Augustine, Lake Butler, Moss Bluff, New River, Yulee, Jacksonville, Olustee, Sea Island, High Springs, Fruit Cove, Dungeness, Ocala Airport, Durbin, Lynne, Watertown, Suwannee Springs, Belmont, Hilliard, Starke, Newburn, Dover Bluff, Arlington, Ponte Vedra Beach, Switzerland, Riverside, Doctors Inlet, Fernandina Beach, Dock Junction, Bostwick, Tallyrand, San Marco, Butler Beach, Andalusia, Kings Ferry, Jekyll Island, St. Simons, Newberry, Bryceville, Suwannee River Station, Jasper, Kingsland, Thalmann, Middleburg, McAlpin, Archer, Jennings, Needmore, Espanola, Glynn Haven, Live Oak, Palm Coast, Palatka, Macclenny, White Springs, Lake City, Weirsdale, and Amelia City 1005 PM EDT Tue Aug 11 2026 ...HEAT ADVISORY REMAINS IN EFFECT FROM NOON TO 7 PM EDT WEDNESDAY... * WHAT...Heat index values up to near 110 expected. * WHERE...Portions of northeast and northern Florida and southeast Georgia. * WHEN...From noon to 7 PM EDT Wednesday. * 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. && $$ For more information, visit us at www.weather.gov/jax Action: Continued Issued At: 2026-08-12 01:22:38 227 WWUS72 KJAX 120622 NPWJAX URGENT - WEATHER MESSAGE National Weather Service Jacksonville FL 222 AM EDT Wed Aug 12 2026 GAZ153-154-165-166-130000- /O.NEW.KJAX.XH.A.0002.260813T1500Z-260814T0000Z/ /O.CON.KJAX.HT.Y.0017.260812T1600Z-260812T2300Z/ Inland Glynn-Coastal Glynn-Inland Camden-Coastal Camden- Including the cities of Sea Island, Country Club Estate, Dungeness, Woodbine, Glynn Haven, Tarboro, Waverly, Colesburg, Kingsland, Dock Junction, Thalmann, Jekyll Island, St. Simons, and Dover Bluff 222 AM EDT Wed Aug 12 2026 ...EXTREME HEAT WATCH IN EFFECT FROM THURSDAY MORNING THROUGH THURSDAY EVENING... ...HEAT ADVISORY REMAINS IN EFFECT FROM NOON TODAY TO 7 PM EDT THIS EVENING... * WHAT...For the Heat Advisory, heat index values up to 110 expected. For the Extreme Heat Watch, dangerously hot conditions with heat index values up to 113 possible. * WHERE...Coastal Camden, Coastal Glynn, Inland Camden, and Inland Glynn Counties. * WHEN...For the Heat Advisory, from noon today to 7 PM EDT this evening. For the Extreme Heat Watch, from Thursday morning through Thursday evening. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. Hot temperatures and high humidity may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. && $$ 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-GAZ162- 122300- /O.CON.KJAX.HT.Y.0017.260812T1600Z-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-Echols- Including the cities of Dupont Center, Suwannee Valley, Ratliff, Gainesville Airport, Picolata, Oceanway, Ortega, Saint Augustine Shore, Ocala, Bunnell, Bakersville, Saint Augustine Beach, Normandy, Orange Park, Carraway, Lulu, Houston, Saint Augustine South, Newnans Lake, Blue Springs, Palm Valley, Anthony, Trenton, Winfield, Anastasia, Bellair, Gainesville, Lakeside, Burbank, Statenville, West Lake, Green Cove Springs, Columbia, Oleno State Park, Saint Augustine, Lake Butler, Moss Bluff, New River, Yulee, Jacksonville, Olustee, High Springs, Fruit Cove, Ocala Airport, Durbin, Lynne, Watertown, Suwannee Springs, Belmont, Hilliard, Starke, Newburn, Arlington, Ponte Vedra Beach, Switzerland, Riverside, Doctors Inlet, Fernandina Beach, Bostwick, Tallyrand, San Marco, Butler Beach, Andalusia, Kings Ferry, Newberry, Bryceville, Suwannee River Station, Jasper, Middleburg, McAlpin, Archer, Jennings, Needmore, Espanola, Live Oak, Palm Coast, Palatka, Macclenny, White Springs, Lake City, Weirsdale, and Amelia City 222 AM EDT Wed Aug 12 2026 ...HEAT ADVISORY REMAINS IN EFFECT FROM NOON TODAY TO 7 PM EDT THIS EVENING... * WHAT...Heat index values up to 110 expected. * WHERE...Portions of northeast and northern Florida and southeast Georgia. * WHEN...From noon today to 7 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. && $$ For more information, visit us at www.weather.gov/jax Action: Continued Issued At: 2026-08-12 01:22:38 227 WWUS72 KJAX 120622 NPWJAX URGENT - WEATHER MESSAGE National Weather Service Jacksonville FL 222 AM EDT Wed Aug 12 2026 GAZ153-154-165-166-130000- /O.NEW.KJAX.XH.A.0002.260813T1500Z-260814T0000Z/ /O.CON.KJAX.HT.Y.0017.260812T1600Z-260812T2300Z/ Inland Glynn-Coastal Glynn-Inland Camden-Coastal Camden- Including the cities of Sea Island, Country Club Estate, Dungeness, Woodbine, Glynn Haven, Tarboro, Waverly, Colesburg, Kingsland, Dock Junction, Thalmann, Jekyll Island, St. Simons, and Dover Bluff 222 AM EDT Wed Aug 12 2026 ...EXTREME HEAT WATCH IN EFFECT FROM THURSDAY MORNING THROUGH THURSDAY EVENING... ...HEAT ADVISORY REMAINS IN EFFECT FROM NOON TODAY TO 7 PM EDT THIS EVENING... * WHAT...For the Heat Advisory, heat index values up to 110 expected. For the Extreme Heat Watch, dangerously hot conditions with heat index values up to 113 possible. * WHERE...Coastal Camden, Coastal Glynn, Inland Camden, and Inland Glynn Counties. * WHEN...For the Heat Advisory, from noon today to 7 PM EDT this evening. For the Extreme Heat Watch, from Thursday morning through Thursday evening. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. Hot temperatures and high humidity may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. && $$ 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-GAZ162- 122300- /O.CON.KJAX.HT.Y.0017.260812T1600Z-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-Echols- Including the cities of Dupont Center, Suwannee Valley, Ratliff, Gainesville Airport, Picolata, Oceanway, Ortega, Saint Augustine Shore, Ocala, Bunnell, Bakersville, Saint Augustine Beach, Normandy, Orange Park, Carraway, Lulu, Houston, Saint Augustine South, Newnans Lake, Blue Springs, Palm Valley, Anthony, Trenton, Winfield, Anastasia, Bellair, Gainesville, Lakeside, Burbank, Statenville, West Lake, Green Cove Springs, Columbia, Oleno State Park, Saint Augustine, Lake Butler, Moss Bluff, New River, Yulee, Jacksonville, Olustee, High Springs, Fruit Cove, Ocala Airport, Durbin, Lynne, Watertown, Suwannee Springs, Belmont, Hilliard, Starke, Newburn, Arlington, Ponte Vedra Beach, Switzerland, Riverside, Doctors Inlet, Fernandina Beach, Bostwick, Tallyrand, San Marco, Butler Beach, Andalusia, Kings Ferry, Newberry, Bryceville, Suwannee River Station, Jasper, Middleburg, McAlpin, Archer, Jennings, Needmore, Espanola, Live Oak, Palm Coast, Palatka, Macclenny, White Springs, Lake City, Weirsdale, and Amelia City 222 AM EDT Wed Aug 12 2026 ...HEAT ADVISORY REMAINS IN EFFECT FROM NOON TODAY TO 7 PM EDT THIS EVENING... * WHAT...Heat index values up to 110 expected. * WHERE...Portions of northeast and northern Florida and southeast Georgia. * WHEN...From noon today to 7 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. && $$ For more information, visit us at www.weather.gov/jax Action: Continued Issued At: 2026-08-12 08:41:43 482 WWUS72 KJAX 121341 NPWJAX URGENT - WEATHER MESSAGE National Weather Service Jacksonville FL 941 AM EDT Wed Aug 12 2026 GAZ152-264-350-364-122300- /O.EXA.KJAX.HT.Y.0017.260812T1600Z-260812T2300Z/ Brantley-Northeastern Charlton-Southern Ware-Western Charlton- Including the cities of Hoboken, St. George, Waynesville, Raybon, Homeland, Atkinson, Hickox, Hortense, Nahunta, Winokur, Race Pond, Folkston, and Stephen Foster State Park 941 AM EDT Wed Aug 12 2026 ...HEAT ADVISORY IN EFFECT UNTIL 7 PM EDT THIS EVENING... * WHAT...Heat index values up to 109 expected. * WHERE...Brantley, Northeastern Charlton, Southern Ware, and Western Charlton Counties. * WHEN...Until 7 PM EDT this evening. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. && $$ GAZ153-154-165-166-122300- /O.CON.KJAX.HT.Y.0017.260812T1600Z-260812T2300Z/ /O.CON.KJAX.XH.A.0002.260813T1500Z-260814T0000Z/ Inland Glynn-Coastal Glynn-Inland Camden-Coastal Camden- Including the cities of Dover Bluff, Country Club Estate, Kingsland, Waverly, Glynn Haven, St. Simons, Thalmann, Dungeness, Dock Junction, Woodbine, Colesburg, Tarboro, Jekyll Island, and Sea Island 941 AM EDT Wed Aug 12 2026 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 7 PM EDT THIS EVENING... ...EXTREME HEAT WATCH REMAINS IN EFFECT FROM THURSDAY MORNING THROUGH THURSDAY EVENING... * WHAT...For the Heat Advisory, heat index values up to 110 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 Heat Advisory, until 7 PM EDT this evening. For the Extreme Heat Watch, from Thursday morning through Thursday evening. * 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-GAZ162- 122300- /O.CON.KJAX.HT.Y.0017.260812T1600Z-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-Echols- Including the cities of Tallyrand, Live Oak, White Springs, Palm Coast, Saint Augustine Shore, Jasper, Belmont, Gainesville, Green Cove Springs, Burbank, Newberry, Butler Beach, Jennings, Fruit Cove, Oceanway, West Lake, Lynne, Hilliard, Picolata, Espanola, Bellair, Olustee, Palm Valley, Watertown, Newburn, Macclenny, Lake Butler, Ortega, Amelia City, Bunnell, Suwannee Springs, San Marco, Gainesville Airport, Switzerland, Kings Ferry, Statenville, Houston, New River, Palatka, Lake City, Ocala Airport, Durbin, Andalusia, Suwannee Valley, High Springs, Newnans Lake, Oleno State Park, Fernandina Beach, Bostwick, Weirsdale, Lulu, Anthony, Ocala, Lakeside, Saint Augustine South, Archer, Normandy, Bakersville, Jacksonville, Doctors Inlet, Columbia, Moss Bluff, Ponte Vedra Beach, Bryceville, Trenton, Anastasia, Dupont Center, Middleburg, Orange Park, Riverside, Suwannee River Station, Needmore, Blue Springs, Yulee, Starke, Saint Augustine, Winfield, Ratliff, Saint Augustine Beach, Arlington, McAlpin, and Carraway 941 AM EDT Wed Aug 12 2026 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 7 PM EDT THIS EVENING... * WHAT...Heat index values up to 110 expected. * WHERE...Northeast and north central Florida and portions of southeast Georgia. * WHEN...Until 7 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. 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. && $$ For more information, visit us at www.weather.gov/jax NELSON Action: Continued Issued At: 2026-08-12 08:41:43 482 WWUS72 KJAX 121341 NPWJAX URGENT - WEATHER MESSAGE National Weather Service Jacksonville FL 941 AM EDT Wed Aug 12 2026 GAZ152-264-350-364-122300- /O.EXA.KJAX.HT.Y.0017.260812T1600Z-260812T2300Z/ Brantley-Northeastern Charlton-Southern Ware-Western Charlton- Including the cities of Hoboken, St. George, Waynesville, Raybon, Homeland, Atkinson, Hickox, Hortense, Nahunta, Winokur, Race Pond, Folkston, and Stephen Foster State Park 941 AM EDT Wed Aug 12 2026 ...HEAT ADVISORY IN EFFECT UNTIL 7 PM EDT THIS EVENING... * WHAT...Heat index values up to 109 expected. * WHERE...Brantley, Northeastern Charlton, Southern Ware, and Western Charlton Counties. * WHEN...Until 7 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. 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. && $$ GAZ153-154-165-166-122300- /O.CON.KJAX.HT.Y.0017.260812T1600Z-260812T2300Z/ /O.CON.KJAX.XH.A.0002.260813T1500Z-260814T0000Z/ Inland Glynn-Coastal Glynn-Inland Camden-Coastal Camden- Including the cities of Dover Bluff, Country Club Estate, Kingsland, Waverly, Glynn Haven, St. Simons, Thalmann, Dungeness, Dock Junction, Woodbine, Colesburg, Tarboro, Jekyll Island, and Sea Island 941 AM EDT Wed Aug 12 2026 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 7 PM EDT THIS EVENING... ...EXTREME HEAT WATCH REMAINS IN EFFECT FROM THURSDAY MORNING THROUGH THURSDAY EVENING... * WHAT...For the Heat Advisory, heat index values up to 110 expected. For the Extreme Heat Watch, dangerously hot conditions with heat index values up to 113 possible. * WHERE...Coastal Camden, Coastal Glynn, Inland Camden, and Inland Glynn Counties. * WHEN...For the Heat Advisory, until 7 PM EDT this evening. For the Extreme Heat Watch, from Thursday morning through Thursday evening. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. Hot temperatures and high humidity may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. && $$ 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-GAZ162- 122300- /O.CON.KJAX.HT.Y.0017.260812T1600Z-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-Echols- Including the cities of Tallyrand, Live Oak, White Springs, Palm Coast, Saint Augustine Shore, Jasper, Belmont, Gainesville, Green Cove Springs, Burbank, Newberry, Butler Beach, Jennings, Fruit Cove, Oceanway, West Lake, Lynne, Hilliard, Picolata, Espanola, Bellair, Olustee, Palm Valley, Watertown, Newburn, Macclenny, Lake Butler, Ortega, Amelia City, Bunnell, Suwannee Springs, San Marco, Gainesville Airport, Switzerland, Kings Ferry, Statenville, Houston, New River, Palatka, Lake City, Ocala Airport, Durbin, Andalusia, Suwannee Valley, High Springs, Newnans Lake, Oleno State Park, Fernandina Beach, Bostwick, Weirsdale, Lulu, Anthony, Ocala, Lakeside, Saint Augustine South, Archer, Normandy, Bakersville, Jacksonville, Doctors Inlet, Columbia, Moss Bluff, Ponte Vedra Beach, Bryceville, Trenton, Anastasia, Dupont Center, Middleburg, Orange Park, Riverside, Suwannee River Station, Needmore, Blue Springs, Yulee, Starke, Saint Augustine, Winfield, Ratliff, Saint Augustine Beach, Arlington, McAlpin, and Carraway 941 AM EDT Wed Aug 12 2026 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 7 PM EDT THIS EVENING... * WHAT...Heat index values up to 110 expected. * WHERE...Northeast and north central Florida and portions of southeast Georgia. * WHEN...Until 7 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. 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. && $$ For more information, visit us at www.weather.gov/jax NELSON Action: Area Extended Issued At: 2026-08-12 08:41:43 482 WWUS72 KJAX 121341 NPWJAX URGENT - WEATHER MESSAGE National Weather Service Jacksonville FL 941 AM EDT Wed Aug 12 2026 GAZ152-264-350-364-122300- /O.EXA.KJAX.HT.Y.0017.260812T1600Z-260812T2300Z/ Brantley-Northeastern Charlton-Southern Ware-Western Charlton- Including the cities of Hoboken, St. George, Waynesville, Raybon, Homeland, Atkinson, Hickox, Hortense, Nahunta, Winokur, Race Pond, Folkston, and Stephen Foster State Park 941 AM EDT Wed Aug 12 2026 ...HEAT ADVISORY IN EFFECT UNTIL 7 PM EDT THIS EVENING... * WHAT...Heat index values up to 109 expected. * WHERE...Brantley, Northeastern Charlton, Southern Ware, and Western Charlton Counties. * WHEN...Until 7 PM EDT this evening. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. && $$ GAZ153-154-165-166-122300- /O.CON.KJAX.HT.Y.0017.260812T1600Z-260812T2300Z/ /O.CON.KJAX.XH.A.0002.260813T1500Z-260814T0000Z/ Inland Glynn-Coastal Glynn-Inland Camden-Coastal Camden- Including the cities of Dover Bluff, Country Club Estate, Kingsland, Waverly, Glynn Haven, St. Simons, Thalmann, Dungeness, Dock Junction, Woodbine, Colesburg, Tarboro, Jekyll Island, and Sea Island 941 AM EDT Wed Aug 12 2026 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 7 PM EDT THIS EVENING... ...EXTREME HEAT WATCH REMAINS IN EFFECT FROM THURSDAY MORNING THROUGH THURSDAY EVENING... * WHAT...For the Heat Advisory, heat index values up to 110 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 Heat Advisory, until 7 PM EDT this evening. For the Extreme Heat Watch, from Thursday morning through Thursday evening. * 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-GAZ162- 122300- /O.CON.KJAX.HT.Y.0017.260812T1600Z-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-Echols- Including the cities of Tallyrand, Live Oak, White Springs, Palm Coast, Saint Augustine Shore, Jasper, Belmont, Gainesville, Green Cove Springs, Burbank, Newberry, Butler Beach, Jennings, Fruit Cove, Oceanway, West Lake, Lynne, Hilliard, Picolata, Espanola, Bellair, Olustee, Palm Valley, Watertown, Newburn, Macclenny, Lake Butler, Ortega, Amelia City, Bunnell, Suwannee Springs, San Marco, Gainesville Airport, Switzerland, Kings Ferry, Statenville, Houston, New River, Palatka, Lake City, Ocala Airport, Durbin, Andalusia, Suwannee Valley, High Springs, Newnans Lake, Oleno State Park, Fernandina Beach, Bostwick, Weirsdale, Lulu, Anthony, Ocala, Lakeside, Saint Augustine South, Archer, Normandy, Bakersville, Jacksonville, Doctors Inlet, Columbia, Moss Bluff, Ponte Vedra Beach, Bryceville, Trenton, Anastasia, Dupont Center, Middleburg, Orange Park, Riverside, Suwannee River Station, Needmore, Blue Springs, Yulee, Starke, Saint Augustine, Winfield, Ratliff, Saint Augustine Beach, Arlington, McAlpin, and Carraway 941 AM EDT Wed Aug 12 2026 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 7 PM EDT THIS EVENING... * WHAT...Heat index values up to 110 expected. * WHERE...Northeast and north central Florida and portions of southeast Georgia. * WHEN...Until 7 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. 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. && $$ For more information, visit us at www.weather.gov/jax NELSON Action: Continued 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: Continued 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: 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: Cancelled 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: Cancelled 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. && $$ For more information, visit us at www.weather.gov/jax CHANEY Action: Cancelled Issued At: 2026-08-12 17:53:12 459 WWUS72 KJAX 122252 NPWJAX URGENT - WEATHER MESSAGE National Weather Service Jacksonville FL 652 PM EDT Wed Aug 12 2026 FLZ035-136-140-236-240-340-140000- /O.CAN.KJAX.HT.Y.0017.000000T0000Z-260812T2300Z/ /O.CON.KJAX.HT.Y.0018.260813T1500Z-260814T0000Z/ Gilchrist-Eastern Alachua-Eastern Marion-Western Alachua-Central Marion-Western Marion- Including the cities of Lynne, Newberry, Anthony, Ocala Airport, High Springs, Ocala, Newnans Lake, Weirsdale, Gainesville Airport, Moss Bluff, Trenton, Archer, Burbank, and Gainesville 652 PM EDT Wed Aug 12 2026 ...HEAT ADVISORY IS CANCELLED... ...HEAT ADVISORY REMAINS IN EFFECT FROM 11 AM TO 8 PM EDT THURSDAY... * WHAT...Heat index values up to 111 expected. * WHERE...Central Marion, Eastern Alachua, Eastern Marion, Gilchrist, Western Alachua, and Western Marion Counties. * WHEN...From 11 AM to 8 PM EDT Thursday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. && $$ 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 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||