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Home Return to list Heat Advisory 0019 Issued by the Jacksonville Forecast Office
Action: New Issued At: 2026-08-13 11:50:17 669 WWUS72 KJAX 131649 NPWJAX URGENT - WEATHER MESSAGE National Weather Service Jacksonville FL 1249 PM EDT Thu Aug 13 2026 GAZ153-154-165-166-140100- /O.UPG.KJAX.XH.A.0003.260814T1500Z-260815T0000Z/ /O.NEW.KJAX.XH.W.0003.260814T1500Z-260815T0000Z/ /O.CON.KJAX.XH.W.0002.000000T0000Z-260814T0000Z/ Inland Glynn-Coastal Glynn-Inland Camden-Coastal Camden- Including the cities of Dover Bluff, Jekyll Island, St. Simons, Woodbine, Glynn Haven, Colesburg, Thalmann, Tarboro, Waverly, Kingsland, Sea Island, Country Club Estate, Dock Junction, and Dungeness 1249 PM EDT Thu Aug 13 2026 ...EXTREME HEAT WARNING IN EFFECT FROM 11 AM TO 8 PM EDT FRIDAY... ...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM EDT THIS EVENING... * WHAT...For the first Extreme Heat Warning, dangerously hot conditions with heat index values up to 113. For the second Extreme Heat Warning, dangerously hot conditions with heat index values up to 113 expected. * WHERE...Coastal Camden, Coastal Glynn, Inland Camden, and Inland Glynn Counties. * WHEN...For the first Extreme Heat Warning, until 8 PM EDT this evening. For the second Extreme Heat Warning, from 11 AM to 8 PM EDT Friday. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. && $$ FLZ021-023-024-030-031-035-038-120-124-125-132-136>138-140-220-225- 232-233-236-237-240-322-325-333-340-422-425-433-522-533-633-GAZ136- 151-152-162-163-250-264-350-364-140100- /O.NEW.KJAX.HT.Y.0019.260814T1500Z-260815T0000Z/ /O.CON.KJAX.HT.Y.0018.000000T0000Z-260814T0000Z/ Suwannee-Baker-Inland Nassau-Union-Bradford-Gilchrist-Inland Flagler-Eastern Hamilton-Coastal Nassau-Coastal Duval-Eastern Clay-Eastern Alachua-Eastern Putnam-Coastal Flagler-Eastern Marion-Western Hamilton-Trout River-Western Clay-Northeast Coastal St. Johns-Western Alachua-Western Putnam-Central Marion- Northern Columbia-South Central Duval-Southeast Coastal St. Johns- Western Marion-Southeastern Columbia-Western Duval-Northern Inland St. Johns-Southwestern Columbia-Southern Inland St. Johns- Western St. Johns-Wayne-Pierce-Brantley-Echols-Clinch-Northern Ware-Northeastern Charlton-Southern Ware-Western Charlton- Including the cities of Lake Butler, Andalusia, Nahunta, Saint Augustine, Switzerland, Newnans Lake, Statenville, St. George, Doctortown, Atkinson, Bellair, Suwannee River Station, Normandy, Gardi, Palm Valley, Starke, Jacksonville, Tallyrand, Weirsdale, Ratliff, Raybon, Saint Augustine Beach, Riverside, Bryceville, Ocala, Houston, Columbia, Archer, Oleno State Park, Fruit Cove, Palatka, Jesup, Winokur, White Springs, Newberry, Green Cove Springs, Gainesville, McAlpin, Bostwick, Lakeside, Bakersville, Olustee, Butler Beach, Dupont Center, Newburn, Blue Springs, Gainesville Airport, Belmont, Waynesville, Anastasia, Waycross, Homeland, Jennings, Moss Bluff, West Lake, Needham, Suwannee Valley, Race Pond, Kings Ferry, Ortega, Ponte Vedra Beach, San Marco, Bunnell, Macclenny, Winfield, Homerville, Lynne, Carraway, Saint Augustine South, Fernandina Beach, Trenton, Anthony, Amelia City, Suwannee Springs, Hoboken, High Springs, Burbank, Doctors Inlet, Durbin, Middleburg, Needmore, Lake City, New River, Yulee, Espanola, Ocala Airport, Orange Park, Watertown, Hortense, Folkston, Live Oak, Hickox, Arlington, Blackshear, Lulu, Saint Augustine Shore, Hilliard, Palm Coast, Stephen Foster State Park, Picolata, Jasper, and Oceanway 1249 PM EDT Thu Aug 13 2026 ...HEAT ADVISORY IN EFFECT FROM 11 AM TO 8 PM EDT FRIDAY... ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT THIS EVENING... * WHAT...For the first Heat Advisory, heat index values up to 111. For the second Heat Advisory, heat index values up to 111 expected. * WHERE...Portions of northeast and northern Florida and southeast Georgia. * WHEN...For the first Heat Advisory, until 8 PM EDT this evening. For the second Heat Advisory, from 11 AM to 8 PM EDT Friday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. && $$ GAZ132>135-149-140100- /O.NEW.KJAX.HT.Y.0019.260814T1500Z-260815T0000Z/ /O.CON.KJAX.HT.Y.0018.000000T0000Z-260814T0000Z/ Coffee-Jeff Davis-Bacon-Appling-Atkinson- Including the cities of New Lacy, Willacoochee, Baxley, Pearson, Douglas, Axson, Hazlehurst, Pine Grove, Alma, and Plant Hatch 1249 PM EDT Thu Aug 13 2026 ...HEAT ADVISORY IN EFFECT FROM 11 AM TO 8 PM EDT FRIDAY... ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT THIS EVENING... * WHAT...For the first Heat Advisory, heat index values up to 108. For the second Heat Advisory, heat index values up to 108 expected. * WHERE...Appling, Atkinson, Bacon, Coffee, and Jeff Davis Counties. * WHEN...For the first Heat Advisory, until 8 PM EDT this evening. For the second Heat Advisory, from 11 AM to 8 PM EDT Friday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. && $$ For more information, visit us at www.weather.gov/jax PK Action: New Issued At: 2026-08-13 11:50:17 669 WWUS72 KJAX 131649 NPWJAX URGENT - WEATHER MESSAGE National Weather Service Jacksonville FL 1249 PM EDT Thu Aug 13 2026 GAZ153-154-165-166-140100- /O.UPG.KJAX.XH.A.0003.260814T1500Z-260815T0000Z/ /O.NEW.KJAX.XH.W.0003.260814T1500Z-260815T0000Z/ /O.CON.KJAX.XH.W.0002.000000T0000Z-260814T0000Z/ Inland Glynn-Coastal Glynn-Inland Camden-Coastal Camden- Including the cities of Dover Bluff, Jekyll Island, St. Simons, Woodbine, Glynn Haven, Colesburg, Thalmann, Tarboro, Waverly, Kingsland, Sea Island, Country Club Estate, Dock Junction, and Dungeness 1249 PM EDT Thu Aug 13 2026 ...EXTREME HEAT WARNING IN EFFECT FROM 11 AM TO 8 PM EDT FRIDAY... ...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM EDT THIS EVENING... * WHAT...For the first Extreme Heat Warning, dangerously hot conditions with heat index values up to 113. For the second Extreme Heat Warning, dangerously hot conditions with heat index values up to 113 expected. * WHERE...Coastal Camden, Coastal Glynn, Inland Camden, and Inland Glynn Counties. * WHEN...For the first Extreme Heat Warning, until 8 PM EDT this evening. For the second Extreme Heat Warning, from 11 AM to 8 PM EDT Friday. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. && $$ FLZ021-023-024-030-031-035-038-120-124-125-132-136>138-140-220-225- 232-233-236-237-240-322-325-333-340-422-425-433-522-533-633-GAZ136- 151-152-162-163-250-264-350-364-140100- /O.NEW.KJAX.HT.Y.0019.260814T1500Z-260815T0000Z/ /O.CON.KJAX.HT.Y.0018.000000T0000Z-260814T0000Z/ Suwannee-Baker-Inland Nassau-Union-Bradford-Gilchrist-Inland Flagler-Eastern Hamilton-Coastal Nassau-Coastal Duval-Eastern Clay-Eastern Alachua-Eastern Putnam-Coastal Flagler-Eastern Marion-Western Hamilton-Trout River-Western Clay-Northeast Coastal St. Johns-Western Alachua-Western Putnam-Central Marion- Northern Columbia-South Central Duval-Southeast Coastal St. Johns- Western Marion-Southeastern Columbia-Western Duval-Northern Inland St. Johns-Southwestern Columbia-Southern Inland St. Johns- Western St. Johns-Wayne-Pierce-Brantley-Echols-Clinch-Northern Ware-Northeastern Charlton-Southern Ware-Western Charlton- Including the cities of Lake Butler, Andalusia, Nahunta, Saint Augustine, Switzerland, Newnans Lake, Statenville, St. George, Doctortown, Atkinson, Bellair, Suwannee River Station, Normandy, Gardi, Palm Valley, Starke, Jacksonville, Tallyrand, Weirsdale, Ratliff, Raybon, Saint Augustine Beach, Riverside, Bryceville, Ocala, Houston, Columbia, Archer, Oleno State Park, Fruit Cove, Palatka, Jesup, Winokur, White Springs, Newberry, Green Cove Springs, Gainesville, McAlpin, Bostwick, Lakeside, Bakersville, Olustee, Butler Beach, Dupont Center, Newburn, Blue Springs, Gainesville Airport, Belmont, Waynesville, Anastasia, Waycross, Homeland, Jennings, Moss Bluff, West Lake, Needham, Suwannee Valley, Race Pond, Kings Ferry, Ortega, Ponte Vedra Beach, San Marco, Bunnell, Macclenny, Winfield, Homerville, Lynne, Carraway, Saint Augustine South, Fernandina Beach, Trenton, Anthony, Amelia City, Suwannee Springs, Hoboken, High Springs, Burbank, Doctors Inlet, Durbin, Middleburg, Needmore, Lake City, New River, Yulee, Espanola, Ocala Airport, Orange Park, Watertown, Hortense, Folkston, Live Oak, Hickox, Arlington, Blackshear, Lulu, Saint Augustine Shore, Hilliard, Palm Coast, Stephen Foster State Park, Picolata, Jasper, and Oceanway 1249 PM EDT Thu Aug 13 2026 ...HEAT ADVISORY IN EFFECT FROM 11 AM TO 8 PM EDT FRIDAY... ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT THIS EVENING... * WHAT...For the first Heat Advisory, heat index values up to 111. For the second Heat Advisory, heat index values up to 111 expected. * WHERE...Portions of northeast and northern Florida and southeast Georgia. * WHEN...For the first Heat Advisory, until 8 PM EDT this evening. For the second Heat Advisory, from 11 AM to 8 PM EDT Friday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. && $$ GAZ132>135-149-140100- /O.NEW.KJAX.HT.Y.0019.260814T1500Z-260815T0000Z/ /O.CON.KJAX.HT.Y.0018.000000T0000Z-260814T0000Z/ Coffee-Jeff Davis-Bacon-Appling-Atkinson- Including the cities of New Lacy, Willacoochee, Baxley, Pearson, Douglas, Axson, Hazlehurst, Pine Grove, Alma, and Plant Hatch 1249 PM EDT Thu Aug 13 2026 ...HEAT ADVISORY IN EFFECT FROM 11 AM TO 8 PM EDT FRIDAY... ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT THIS EVENING... * WHAT...For the first Heat Advisory, heat index values up to 108. For the second Heat Advisory, heat index values up to 108 expected. * WHERE...Appling, Atkinson, Bacon, Coffee, and Jeff Davis Counties. * WHEN...For the first Heat Advisory, until 8 PM EDT this evening. For the second Heat Advisory, from 11 AM to 8 PM EDT Friday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. && $$ For more information, visit us at www.weather.gov/jax PK Action: Continued Issued At: 2026-08-13 18:58:00 512 WWUS72 KJAX 132357 NPWJAX URGENT - WEATHER MESSAGE National Weather Service Jacksonville FL 757 PM EDT Thu Aug 13 2026 GAZ153-154-165-166-140800- /O.EXP.KJAX.XH.W.0002.000000T0000Z-260814T0000Z/ /O.CON.KJAX.XH.W.0003.260814T1500Z-260815T0000Z/ Inland Glynn-Coastal Glynn-Inland Camden-Coastal Camden- Including the cities of Tarboro, Dock Junction, Kingsland, Glynn Haven, Woodbine, St. Simons, Dover Bluff, Waverly, Thalmann, Jekyll Island, Colesburg, Country Club Estate, Sea Island, and Dungeness 757 PM EDT Thu Aug 13 2026 ...EXTREME HEAT WARNING WILL EXPIRE AT 8 PM EDT THIS EVENING... ...EXTREME HEAT WARNING REMAINS IN EFFECT FROM 11 AM TO 8 PM EDT FRIDAY... * WHAT...Dangerously hot conditions with heat index values up to 113 expected. * WHERE...Coastal Camden, Coastal Glynn, Inland Camden, and Inland Glynn Counties. * WHEN...From 11 AM to 8 PM EDT Friday. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. && $$ FLZ021-023-024-030-031-035-038-120-124-125-132-136>138-140-220-225- 232-233-236-237-240-322-325-333-340-422-425-433-522-533-633- GAZ132>136-149-151-152-162-163-250-264-350-364-140800- /O.EXP.KJAX.HT.Y.0018.000000T0000Z-260814T0000Z/ /O.CON.KJAX.HT.Y.0019.260814T1500Z-260815T0000Z/ Suwannee-Baker-Inland Nassau-Union-Bradford-Gilchrist-Inland Flagler-Eastern Hamilton-Coastal Nassau-Coastal Duval-Eastern Clay-Eastern Alachua-Eastern Putnam-Coastal Flagler-Eastern Marion-Western Hamilton-Trout River-Western Clay-Northeast Coastal St. Johns-Western Alachua-Western Putnam-Central Marion- Northern Columbia-South Central Duval-Southeast Coastal St. Johns- Western Marion-Southeastern Columbia-Western Duval-Northern Inland St. Johns-Southwestern Columbia-Southern Inland St. Johns- Western St. Johns-Coffee-Jeff Davis-Bacon-Appling-Wayne-Atkinson- Pierce-Brantley-Echols-Clinch-Northern Ware-Northeastern Charlton- Southern Ware-Western Charlton- Including the cities of Jasper, Lake Butler, Belmont, Arlington, Alma, Picolata, Newburn, Palatka, Bunnell, Hoboken, Oceanway, Newnans Lake, Switzerland, Waynesville, Yulee, Saint Augustine, Trenton, Dupont Center, Gardi, Anastasia, New Lacy, Bryceville, Weirsdale, Live Oak, Riverside, Hickox, Blackshear, Starke, Douglas, New River, Ratliff, Palm Valley, Carraway, Doctortown, Moss Bluff, Burbank, Andalusia, Waycross, Jacksonville, Ocala Airport, Espanola, Gainesville Airport, Suwannee Springs, Lynne, High Springs, Bakersville, Fernandina Beach, Folkston, Ponte Vedra Beach, Houston, Pearson, Axson, Statenville, Green Cove Springs, Macclenny, Jesup, Pine Grove, Butler Beach, Anthony, Middleburg, Bostwick, Orange Park, White Springs, Newberry, Doctors Inlet, Winokur, Ortega, Needham, San Marco, West Lake, Fruit Cove, Durbin, Suwannee River Station, Hilliard, Lulu, Suwannee Valley, Lake City, Willacoochee, Hortense, Olustee, Columbia, Homeland, Ocala, Gainesville, St. George, Archer, Lakeside, Saint Augustine South, Saint Augustine Shore, Blue Springs, Race Pond, McAlpin, Bellair, Baxley, Saint Augustine Beach, Amelia City, Plant Hatch, Tallyrand, Watertown, Atkinson, Oleno State Park, Stephen Foster State Park, Winfield, Hazlehurst, Jennings, Normandy, Needmore, Kings Ferry, Homerville, Nahunta, Raybon, and Palm Coast 757 PM EDT Thu Aug 13 2026 ...HEAT ADVISORY WILL EXPIRE AT 8 PM EDT THIS EVENING... ...HEAT ADVISORY REMAINS IN EFFECT FROM 11 AM TO 8 PM EDT FRIDAY... * WHAT...Heat index values up to 112 expected. * WHERE...Portions of northeast and northern Florida and southeast Georgia. * WHEN...From 11 AM to 8 PM EDT Friday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. && $$ For more information, visit us at www.weather.gov/jax AC Action: Continued Issued At: 2026-08-14 01:47:13 880 WWUS72 KJAX 140646 NPWJAX URGENT - WEATHER MESSAGE National Weather Service Jacksonville FL Issued by National Weather Service Tallahassee FL 246 AM EDT Fri Aug 14 2026 GAZ153-154-165-166-150000- /O.CON.KJAX.XH.W.0003.260814T1500Z-260815T0000Z/ Inland Glynn-Coastal Glynn-Inland Camden-Coastal Camden- Including the cities of St. Simons, Thalmann, Dover Bluff, Waverly, Sea Island, Colesburg, Country Club Estate, Jekyll Island, Woodbine, Glynn Haven, Kingsland, Tarboro, Dock Junction, and Dungeness 246 AM EDT Fri Aug 14 2026 ...EXTREME HEAT WARNING REMAINS IN EFFECT FROM 11 AM THIS MORNING TO 8 PM EDT THIS EVENING... * WHAT...Dangerously hot conditions with heat index values of 113 degrees or greater expected. * WHERE...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. 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>136-149-151-152-162-163-250-264-350-364-150000- /O.CON.KJAX.HT.Y.0019.260814T1500Z-260815T0000Z/ Suwannee-Baker-Inland Nassau-Union-Bradford-Gilchrist-Inland Flagler-Eastern Hamilton-Coastal Nassau-Coastal Duval-Eastern Clay-Eastern Alachua-Eastern Putnam-Coastal Flagler-Eastern Marion-Western Hamilton-Trout River-Western Clay-Northeast Coastal St. Johns-Western Alachua-Western Putnam-Central Marion- Northern Columbia-South Central Duval-Southeast Coastal St. Johns- Western Marion-Southeastern Columbia-Western Duval-Northern Inland St. Johns-Southwestern Columbia-Southern Inland St. Johns- Western St. Johns-Coffee-Jeff Davis-Bacon-Appling-Wayne-Atkinson- Pierce-Brantley-Echols-Clinch-Northern Ware-Northeastern Charlton- Southern Ware-Western Charlton- Including the cities of Axson, Ponte Vedra Beach, McAlpin, Anastasia, Waycross, Ratliff, Suwannee River Station, Switzerland, Pearson, Lynne, Bryceville, Amelia City, Hickox, Dupont Center, Weirsdale, Winfield, Ortega, Orange Park, Homeland, Hoboken, San Marco, Alma, New Lacy, Bellair, Gainesville Airport, Stephen Foster State Park, Tallyrand, Saint Augustine Beach, Ocala Airport, Plant Hatch, Ocala, Saint Augustine Shore, Bostwick, Starke, Hilliard, Bunnell, Carraway, Archer, Jennings, Blue Springs, Doctors Inlet, Statenville, Homerville, Columbia, Gainesville, Blackshear, Houston, Newburn, High Springs, Live Oak, Andalusia, Burbank, Riverside, Lulu, Atkinson, Suwannee Springs, Oleno State Park, Hortense, Jacksonville, Arlington, Green Cove Springs, Folkston, Pine Grove, St. George, Race Pond, Lake City, Jasper, Newnans Lake, Palatka, Normandy, Doctortown, Bakersville, New River, Belmont, Lakeside, Fruit Cove, Anthony, Yulee, Gardi, Fernandina Beach, Palm Coast, White Springs, Durbin, Winokur, Butler Beach, Olustee, Trenton, West Lake, Baxley, Needmore, Hazlehurst, Oceanway, Middleburg, Lake Butler, Raybon, Waynesville, Suwannee Valley, Saint Augustine South, Willacoochee, Watertown, Douglas, Palm Valley, Needham, Newberry, Picolata, Saint Augustine, Macclenny, Jesup, Kings Ferry, Nahunta, Moss Bluff, and Espanola 246 AM EDT Fri Aug 14 2026 ...HEAT ADVISORY REMAINS IN EFFECT FROM 11 AM THIS MORNING TO 8 PM EDT THIS EVENING... * WHAT...Heat index values of 108 to 112 degrees expected. Pockets of 113 degrees or greater are possible. * 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. && $$ TAE Action: Continued 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: Expired 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 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||