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Home Return to list Heat Advisory 0008 Issued by the Jacksonville Forecast Office
Action: New Issued At: 2025-07-27 12:26:17 417 WWUS72 KJAX 271725 NPWJAX URGENT - WEATHER MESSAGE National Weather Service Jacksonville FL 125 PM EDT Sun Jul 27 2025 GAZ154-166-280130- /O.UPG.KJAX.XH.A.0001.250728T1600Z-250728T2300Z/ /O.NEW.KJAX.XH.W.0001.250728T1600Z-250728T2300Z/ /O.CON.KJAX.HT.Y.0007.000000T0000Z-250727T2300Z/ Coastal Glynn-Coastal Camden- Including the cities of Dock Junction, Sea Island, Dover Bluff, St. Simons, Kingsland, Dungeness, Country Club Estate, Jekyll Island, and Glynn Haven 125 PM EDT Sun Jul 27 2025 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 7 PM EDT THIS EVENING... ...EXTREME HEAT WARNING IN EFFECT FROM NOON TO 7 PM EDT MONDAY... * WHAT...For the Heat Advisory, heat index values up to 112. For the Extreme Heat Warning, dangerously hot conditions with heat index values up to 114 expected. * WHERE...Coastal Camden and Coastal Glynn Counties. * WHEN...For the Heat Advisory, until 7 PM EDT this evening. For the Extreme Heat Warning, from noon to 7 PM EDT Monday. * 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. && $$ 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>153-162-163-165-250-264-350-364-280130- /O.UPG.KJAX.XH.A.0001.250728T1600Z-250728T2300Z/ /O.NEW.KJAX.HT.Y.0008.250728T1600Z-250728T2300Z/ /O.CON.KJAX.HT.Y.0007.000000T0000Z-250727T2300Z/ 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-Inland Glynn-Echols-Clinch-Inland Camden-Northern Ware-Northeastern Charlton-Southern Ware-Western Charlton- Including the cities of Hoboken, Plant Hatch, Jennings, Columbia, Lynne, Watertown, San Marco, Stephen Foster State Park, Dupont Center, Houston, Hortense, Belmont, Saint Augustine, Weirsdale, Kings Ferry, Archer, New Lacy, Bostwick, Normandy, Picolata, Newberry, Folkston, Lake Butler, Statenville, Middleburg, Douglas, Anastasia, Winokur, Bryceville, Homeland, Fernandina Beach, Suwannee Springs, Needham, Yulee, Pine Grove, Bunnell, Amelia City, Pearson, Atkinson, Ponte Vedra Beach, Suwannee River Station, Axson, Ocala, Durbin, Newburn, Alma, Waycross, Riverside, Baxley, Macclenny, Switzerland, Waynesville, Hilliard, Thalmann, Saint Augustine South, St. George, Fruit Cove, McAlpin, Newnans Lake, Ocala Airport, Bakersville, Gainesville, Saint Augustine Beach, Ortega, Butler Beach, Bellair, West Lake, Palm Coast, Oceanway, Ratliff, White Springs, Trenton, Oleno State Park, Jesup, New River, Starke, Arlington, Espanola, Palm Valley, Jasper, Woodbine, Nahunta, Saint Augustine Shore, Moss Bluff, Lake City, Blackshear, Lakeside, Tarboro, Anthony, Olustee, Waverly, Burbank, Winfield, Gainesville Airport, Hickox, Blue Springs, Raybon, Willacoochee, Lulu, Gardi, Carraway, Green Cove Springs, Needmore, Hazlehurst, Orange Park, High Springs, Andalusia, Suwannee Valley, Colesburg, Doctortown, Homerville, Doctors Inlet, Live Oak, Jacksonville, Race Pond, Tallyrand, and Palatka 125 PM EDT Sun Jul 27 2025 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 7 PM EDT THIS EVENING... ...HEAT ADVISORY IN EFFECT FROM NOON TO 7 PM EDT MONDAY... * 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 7 PM EDT this evening. For the second Heat Advisory, from noon to 7 PM EDT Monday. * 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 PK Action: Continued Issued At: 2025-07-27 18:33:56 332 WWUS72 KJAX 272333 NPWJAX URGENT - WEATHER MESSAGE National Weather Service Jacksonville FL 733 PM EDT Sun Jul 27 2025 GAZ154-166-281900- /O.CON.KJAX.XH.W.0001.250728T1600Z-250728T2300Z/ Coastal Glynn-Coastal Camden- Including the cities of Dover Bluff, Sea Island, Jekyll Island, Kingsland, Glynn Haven, Country Club Estate, Dungeness, Dock Junction, and St. Simons 733 PM EDT Sun Jul 27 2025 ...EXTREME HEAT WARNING REMAINS IN EFFECT FROM NOON TO 7 PM EDT MONDAY... * WHAT...Dangerously hot conditions with heat index values up to 113 expected. * WHERE...Coastal Camden and Coastal Glynn Counties. * WHEN...From noon to 7 PM EDT Monday. * 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. && $$ 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>153-162-163-165-250-264-350-364-281900- /O.CON.KJAX.HT.Y.0008.250728T1600Z-250728T2300Z/ 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-Inland Glynn-Echols-Clinch-Inland Camden-Northern Ware-Northeastern Charlton-Southern Ware-Western Charlton- Including the cities of Oceanway, Columbia, Palm Valley, Waynesville, Jasper, Ponte Vedra Beach, Blackshear, Winfield, Watertown, West Lake, Ratliff, Middleburg, Homeland, San Marco, High Springs, Orange Park, Ocala Airport, Gardi, Atkinson, Winokur, White Springs, Moss Bluff, Suwannee Valley, Houston, Lynne, Newberry, Live Oak, Plant Hatch, Folkston, Bakersville, Lulu, Dupont Center, Tarboro, Tallyrand, Durbin, Saint Augustine South, Suwannee Springs, Palm Coast, Weirsdale, Lake Butler, Burbank, Oleno State Park, Amelia City, Waycross, Woodbine, McAlpin, Fruit Cove, Archer, Axson, St. George, Olustee, Pearson, Lake City, Thalmann, Homerville, Saint Augustine Beach, Ocala, Doctortown, Gainesville, Needmore, Saint Augustine, Waverly, Douglas, Baxley, Newburn, Belmont, Newnans Lake, Bostwick, Yulee, Hilliard, Fernandina Beach, Saint Augustine Shore, Willacoochee, Anastasia, Nahunta, Palatka, Colesburg, Suwannee River Station, Green Cove Springs, Hazlehurst, Carraway, Andalusia, New River, Espanola, Trenton, New Lacy, Ortega, Arlington, Lakeside, Starke, Gainesville Airport, Kings Ferry, Butler Beach, Hickox, Stephen Foster State Park, Blue Springs, Anthony, Jennings, Riverside, Picolata, Jacksonville, Hortense, Hoboken, Bunnell, Switzerland, Macclenny, Alma, Doctors Inlet, Jesup, Needham, Pine Grove, Statenville, Bryceville, Raybon, Race Pond, Normandy, and Bellair 733 PM EDT Sun Jul 27 2025 ...HEAT ADVISORY REMAINS IN EFFECT FROM NOON TO 7 PM EDT MONDAY... * WHAT...Heat index values up to 111 expected. * WHERE...Portions of northeast and northern Florida and southeast Georgia. * WHEN...From noon to 7 PM EDT Monday. * 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 HESS Action: Continued Issued At: 2025-07-27 23:22:33 167 WWUS72 KJAX 280422 NPWJAX URGENT - WEATHER MESSAGE National Weather Service Jacksonville FL 1222 AM EDT Mon Jul 28 2025 FLZ023-024-038-120-124-125-132-137-225-232-237-322-325-425-433-533- 633-GAZ136-151>153-162-163-165-250-264-350-364-282300- /O.UPG.KJAX.HT.Y.0008.250728T1600Z-250728T2300Z/ /O.NEW.KJAX.XH.A.0002.250729T1600Z-250729T2300Z/ /O.EXA.KJAX.XH.W.0001.250728T1600Z-250728T2300Z/ Baker-Inland Nassau-Inland Flagler-Eastern Hamilton-Coastal Nassau-Coastal Duval-Eastern Clay-Eastern Putnam-Trout River- Western Clay-Western Putnam-Northern Columbia-South Central Duval- Western Duval-Northern Inland St. Johns-Southern Inland St. Johns- Western St. Johns-Wayne-Pierce-Brantley-Inland Glynn-Echols- Clinch-Inland Camden-Northern Ware-Northeastern Charlton-Southern Ware-Western Charlton- Including the cities of Arlington, Winfield, Race Pond, Bakersville, Picolata, Olustee, Needham, Nahunta, Tallyrand, Blackshear, Oceanway, Ortega, Folkston, Ratliff, Bryceville, Hickox, Doctortown, Waverly, Jasper, Gardi, Palatka, Homeland, Middleburg, Espanola, Hilliard, Bunnell, Woodbine, Riverside, Durbin, Macclenny, Doctors Inlet, Kings Ferry, Bellair, Normandy, St. George, Amelia City, Winokur, Fruit Cove, Statenville, Andalusia, Needmore, Homerville, Jacksonville, Bostwick, Thalmann, Jennings, Hoboken, Atkinson, Jesup, San Marco, Switzerland, White Springs, Dupont Center, Waycross, Tarboro, Hortense, Lakeside, Raybon, Fernandina Beach, Orange Park, Carraway, Waynesville, Yulee, Stephen Foster State Park, Suwannee Valley, Belmont, Colesburg, and Green Cove Springs 1222 AM EDT Mon Jul 28 2025 ...EXTREME HEAT WARNING IN EFFECT FROM NOON TODAY TO 7 PM EDT THIS EVENING... ...EXTREME HEAT WATCH IN EFFECT FROM TUESDAY AFTERNOON THROUGH TUESDAY EVENING... * WHAT...For the Extreme Heat Warning, dangerously hot conditions with heat index values up to 110 expected. For the Extreme Heat Watch, dangerously hot conditions with heat index values up to 113 possible. * WHERE...Portions of northeast and northern Florida and southeast Georgia. * WHEN...For the Extreme Heat Warning, from noon today to 7 PM EDT this evening. For the Extreme Heat Watch, from Tuesday afternoon through Tuesday 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. && $$ GAZ154-166-282300- /O.NEW.KJAX.XH.A.0002.250729T1600Z-250729T2300Z/ /O.CON.KJAX.XH.W.0001.250728T1600Z-250728T2300Z/ Coastal Glynn-Coastal Camden- Including the cities of Dover Bluff, Kingsland, St. Simons, Glynn Haven, Country Club Estate, Dungeness, Dock Junction, Sea Island, and Jekyll Island 1222 AM EDT Mon Jul 28 2025 ...EXTREME HEAT WARNING REMAINS IN EFFECT FROM NOON TODAY TO 7 PM EDT THIS EVENING... ...EXTREME HEAT WATCH IN EFFECT FROM TUESDAY AFTERNOON THROUGH TUESDAY EVENING... * WHAT...For the Extreme Heat Warning, dangerously hot conditions with heat index values up to 115 expected. For the Extreme Heat Watch, dangerously hot conditions with heat index values up to 115 possible. * WHERE...Coastal Camden and Coastal Glynn Counties. * WHEN...For the Extreme Heat Warning, from noon today to 7 PM EDT this evening. For the Extreme Heat Watch, from Tuesday afternoon through Tuesday evening. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. Stay cool, stay hydrated, stay informed. && $$ GAZ132>135-149-282300- /O.NEW.KJAX.HT.Y.0009.250729T1600Z-250729T2300Z/ /O.CON.KJAX.HT.Y.0008.250728T1600Z-250728T2300Z/ Coffee-Jeff Davis-Bacon-Appling-Atkinson- Including the cities of New Lacy, Pearson, Alma, Pine Grove, Hazlehurst, Willacoochee, Douglas, Plant Hatch, Baxley, and Axson 1222 AM EDT Mon Jul 28 2025 ...HEAT ADVISORY REMAINS IN EFFECT FROM NOON TODAY TO 7 PM EDT THIS EVENING... ...HEAT ADVISORY IN EFFECT FROM NOON TO 7 PM EDT TUESDAY... * WHAT...For the Heat Advisories, heat index values up to 112 expected. * WHERE...Appling, Atkinson, Bacon, Coffee, and Jeff Davis Counties. * WHEN...For the first Heat Advisory, from noon today to 7 PM EDT this evening. For the second Heat Advisory, from noon to 7 PM EDT Tuesday. * 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. && $$ FLZ021-030-031-035-136-138-140-220-233-236-240-333-340-422-522- 282300- /O.NEW.KJAX.XH.A.0002.250729T1600Z-250729T2300Z/ /O.CON.KJAX.HT.Y.0008.250728T1600Z-250728T2300Z/ Suwannee-Union-Bradford-Gilchrist-Eastern Alachua-Coastal Flagler- Eastern Marion-Western Hamilton-Northeast Coastal St. Johns- Western Alachua-Central Marion-Southeast Coastal St. Johns- Western Marion-Southeastern Columbia-Southwestern Columbia- Including the cities of Oleno State Park, Lake Butler, Anthony, Watertown, Newnans Lake, Newburn, Archer, Live Oak, Lake City, Lulu, Palm Valley, High Springs, Blue Springs, Burbank, Anastasia, Butler Beach, Trenton, Palm Coast, Saint Augustine Beach, Moss Bluff, Gainesville, Saint Augustine, Saint Augustine South, Columbia, New River, Houston, Lynne, Weirsdale, West Lake, Saint Augustine Shore, Starke, Ponte Vedra Beach, Newberry, Suwannee River Station, Suwannee Springs, Gainesville Airport, Ocala, McAlpin, and Ocala Airport 1222 AM EDT Mon Jul 28 2025 ...HEAT ADVISORY REMAINS IN EFFECT FROM NOON TODAY TO 7 PM EDT THIS EVENING... ...EXTREME HEAT WATCH IN EFFECT FROM TUESDAY AFTERNOON THROUGH TUESDAY EVENING... * WHAT...For the Heat Advisory, heat index values up to 112 expected. For the Extreme Heat Watch, dangerously hot conditions with heat index values up to 115 possible. * WHERE...Portions of northeast and northern Florida. * WHEN...For the Heat Advisory, from noon today to 7 PM EDT this evening. For the Extreme Heat Watch, from Tuesday afternoon through Tuesday 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. 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. && $$ For more information, visit us at www.weather.gov/jax NELSON Action: Upgraded Issued At: 2025-07-27 23:22:33 167 WWUS72 KJAX 280422 NPWJAX URGENT - WEATHER MESSAGE National Weather Service Jacksonville FL 1222 AM EDT Mon Jul 28 2025 FLZ023-024-038-120-124-125-132-137-225-232-237-322-325-425-433-533- 633-GAZ136-151>153-162-163-165-250-264-350-364-282300- /O.UPG.KJAX.HT.Y.0008.250728T1600Z-250728T2300Z/ /O.NEW.KJAX.XH.A.0002.250729T1600Z-250729T2300Z/ /O.EXA.KJAX.XH.W.0001.250728T1600Z-250728T2300Z/ Baker-Inland Nassau-Inland Flagler-Eastern Hamilton-Coastal Nassau-Coastal Duval-Eastern Clay-Eastern Putnam-Trout River- Western Clay-Western Putnam-Northern Columbia-South Central Duval- Western Duval-Northern Inland St. Johns-Southern Inland St. Johns- Western St. Johns-Wayne-Pierce-Brantley-Inland Glynn-Echols- Clinch-Inland Camden-Northern Ware-Northeastern Charlton-Southern Ware-Western Charlton- Including the cities of Arlington, Winfield, Race Pond, Bakersville, Picolata, Olustee, Needham, Nahunta, Tallyrand, Blackshear, Oceanway, Ortega, Folkston, Ratliff, Bryceville, Hickox, Doctortown, Waverly, Jasper, Gardi, Palatka, Homeland, Middleburg, Espanola, Hilliard, Bunnell, Woodbine, Riverside, Durbin, Macclenny, Doctors Inlet, Kings Ferry, Bellair, Normandy, St. George, Amelia City, Winokur, Fruit Cove, Statenville, Andalusia, Needmore, Homerville, Jacksonville, Bostwick, Thalmann, Jennings, Hoboken, Atkinson, Jesup, San Marco, Switzerland, White Springs, Dupont Center, Waycross, Tarboro, Hortense, Lakeside, Raybon, Fernandina Beach, Orange Park, Carraway, Waynesville, Yulee, Stephen Foster State Park, Suwannee Valley, Belmont, Colesburg, and Green Cove Springs 1222 AM EDT Mon Jul 28 2025 ...EXTREME HEAT WARNING IN EFFECT FROM NOON TODAY TO 7 PM EDT THIS EVENING... ...EXTREME HEAT WATCH IN EFFECT FROM TUESDAY AFTERNOON THROUGH TUESDAY EVENING... * WHAT...For the Extreme Heat Warning, dangerously hot conditions with heat index values up to 110 expected. For the Extreme Heat Watch, dangerously hot conditions with heat index values up to 113 possible. * WHERE...Portions of northeast and northern Florida and southeast Georgia. * WHEN...For the Extreme Heat Warning, from noon today to 7 PM EDT this evening. For the Extreme Heat Watch, from Tuesday afternoon through Tuesday 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. && $$ GAZ154-166-282300- /O.NEW.KJAX.XH.A.0002.250729T1600Z-250729T2300Z/ /O.CON.KJAX.XH.W.0001.250728T1600Z-250728T2300Z/ Coastal Glynn-Coastal Camden- Including the cities of Dover Bluff, Kingsland, St. Simons, Glynn Haven, Country Club Estate, Dungeness, Dock Junction, Sea Island, and Jekyll Island 1222 AM EDT Mon Jul 28 2025 ...EXTREME HEAT WARNING REMAINS IN EFFECT FROM NOON TODAY TO 7 PM EDT THIS EVENING... ...EXTREME HEAT WATCH IN EFFECT FROM TUESDAY AFTERNOON THROUGH TUESDAY EVENING... * WHAT...For the Extreme Heat Warning, dangerously hot conditions with heat index values up to 115 expected. For the Extreme Heat Watch, dangerously hot conditions with heat index values up to 115 possible. * WHERE...Coastal Camden and Coastal Glynn Counties. * WHEN...For the Extreme Heat Warning, from noon today to 7 PM EDT this evening. For the Extreme Heat Watch, from Tuesday afternoon through Tuesday evening. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. Stay cool, stay hydrated, stay informed. && $$ GAZ132>135-149-282300- /O.NEW.KJAX.HT.Y.0009.250729T1600Z-250729T2300Z/ /O.CON.KJAX.HT.Y.0008.250728T1600Z-250728T2300Z/ Coffee-Jeff Davis-Bacon-Appling-Atkinson- Including the cities of New Lacy, Pearson, Alma, Pine Grove, Hazlehurst, Willacoochee, Douglas, Plant Hatch, Baxley, and Axson 1222 AM EDT Mon Jul 28 2025 ...HEAT ADVISORY REMAINS IN EFFECT FROM NOON TODAY TO 7 PM EDT THIS EVENING... ...HEAT ADVISORY IN EFFECT FROM NOON TO 7 PM EDT TUESDAY... * WHAT...For the Heat Advisories, heat index values up to 112 expected. * WHERE...Appling, Atkinson, Bacon, Coffee, and Jeff Davis Counties. * WHEN...For the first Heat Advisory, from noon today to 7 PM EDT this evening. For the second Heat Advisory, from noon to 7 PM EDT Tuesday. * 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. && $$ FLZ021-030-031-035-136-138-140-220-233-236-240-333-340-422-522- 282300- /O.NEW.KJAX.XH.A.0002.250729T1600Z-250729T2300Z/ /O.CON.KJAX.HT.Y.0008.250728T1600Z-250728T2300Z/ Suwannee-Union-Bradford-Gilchrist-Eastern Alachua-Coastal Flagler- Eastern Marion-Western Hamilton-Northeast Coastal St. Johns- Western Alachua-Central Marion-Southeast Coastal St. Johns- Western Marion-Southeastern Columbia-Southwestern Columbia- Including the cities of Oleno State Park, Lake Butler, Anthony, Watertown, Newnans Lake, Newburn, Archer, Live Oak, Lake City, Lulu, Palm Valley, High Springs, Blue Springs, Burbank, Anastasia, Butler Beach, Trenton, Palm Coast, Saint Augustine Beach, Moss Bluff, Gainesville, Saint Augustine, Saint Augustine South, Columbia, New River, Houston, Lynne, Weirsdale, West Lake, Saint Augustine Shore, Starke, Ponte Vedra Beach, Newberry, Suwannee River Station, Suwannee Springs, Gainesville Airport, Ocala, McAlpin, and Ocala Airport 1222 AM EDT Mon Jul 28 2025 ...HEAT ADVISORY REMAINS IN EFFECT FROM NOON TODAY TO 7 PM EDT THIS EVENING... ...EXTREME HEAT WATCH IN EFFECT FROM TUESDAY AFTERNOON THROUGH TUESDAY EVENING... * WHAT...For the Heat Advisory, heat index values up to 112 expected. For the Extreme Heat Watch, dangerously hot conditions with heat index values up to 115 possible. * WHERE...Portions of northeast and northern Florida. * WHEN...For the Heat Advisory, from noon today to 7 PM EDT this evening. For the Extreme Heat Watch, from Tuesday afternoon through Tuesday 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. 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. && $$ For more information, visit us at www.weather.gov/jax NELSON Action: Continued Issued At: 2025-07-27 23:22:33 167 WWUS72 KJAX 280422 NPWJAX URGENT - WEATHER MESSAGE National Weather Service Jacksonville FL 1222 AM EDT Mon Jul 28 2025 FLZ023-024-038-120-124-125-132-137-225-232-237-322-325-425-433-533- 633-GAZ136-151>153-162-163-165-250-264-350-364-282300- /O.UPG.KJAX.HT.Y.0008.250728T1600Z-250728T2300Z/ /O.NEW.KJAX.XH.A.0002.250729T1600Z-250729T2300Z/ /O.EXA.KJAX.XH.W.0001.250728T1600Z-250728T2300Z/ Baker-Inland Nassau-Inland Flagler-Eastern Hamilton-Coastal Nassau-Coastal Duval-Eastern Clay-Eastern Putnam-Trout River- Western Clay-Western Putnam-Northern Columbia-South Central Duval- Western Duval-Northern Inland St. Johns-Southern Inland St. Johns- Western St. Johns-Wayne-Pierce-Brantley-Inland Glynn-Echols- Clinch-Inland Camden-Northern Ware-Northeastern Charlton-Southern Ware-Western Charlton- Including the cities of Arlington, Winfield, Race Pond, Bakersville, Picolata, Olustee, Needham, Nahunta, Tallyrand, Blackshear, Oceanway, Ortega, Folkston, Ratliff, Bryceville, Hickox, Doctortown, Waverly, Jasper, Gardi, Palatka, Homeland, Middleburg, Espanola, Hilliard, Bunnell, Woodbine, Riverside, Durbin, Macclenny, Doctors Inlet, Kings Ferry, Bellair, Normandy, St. George, Amelia City, Winokur, Fruit Cove, Statenville, Andalusia, Needmore, Homerville, Jacksonville, Bostwick, Thalmann, Jennings, Hoboken, Atkinson, Jesup, San Marco, Switzerland, White Springs, Dupont Center, Waycross, Tarboro, Hortense, Lakeside, Raybon, Fernandina Beach, Orange Park, Carraway, Waynesville, Yulee, Stephen Foster State Park, Suwannee Valley, Belmont, Colesburg, and Green Cove Springs 1222 AM EDT Mon Jul 28 2025 ...EXTREME HEAT WARNING IN EFFECT FROM NOON TODAY TO 7 PM EDT THIS EVENING... ...EXTREME HEAT WATCH IN EFFECT FROM TUESDAY AFTERNOON THROUGH TUESDAY EVENING... * WHAT...For the Extreme Heat Warning, dangerously hot conditions with heat index values up to 110 expected. For the Extreme Heat Watch, dangerously hot conditions with heat index values up to 113 possible. * WHERE...Portions of northeast and northern Florida and southeast Georgia. * WHEN...For the Extreme Heat Warning, from noon today to 7 PM EDT this evening. For the Extreme Heat Watch, from Tuesday afternoon through Tuesday 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. && $$ GAZ154-166-282300- /O.NEW.KJAX.XH.A.0002.250729T1600Z-250729T2300Z/ /O.CON.KJAX.XH.W.0001.250728T1600Z-250728T2300Z/ Coastal Glynn-Coastal Camden- Including the cities of Dover Bluff, Kingsland, St. Simons, Glynn Haven, Country Club Estate, Dungeness, Dock Junction, Sea Island, and Jekyll Island 1222 AM EDT Mon Jul 28 2025 ...EXTREME HEAT WARNING REMAINS IN EFFECT FROM NOON TODAY TO 7 PM EDT THIS EVENING... ...EXTREME HEAT WATCH IN EFFECT FROM TUESDAY AFTERNOON THROUGH TUESDAY EVENING... * WHAT...For the Extreme Heat Warning, dangerously hot conditions with heat index values up to 115 expected. For the Extreme Heat Watch, dangerously hot conditions with heat index values up to 115 possible. * WHERE...Coastal Camden and Coastal Glynn Counties. * WHEN...For the Extreme Heat Warning, from noon today to 7 PM EDT this evening. For the Extreme Heat Watch, from Tuesday afternoon through Tuesday evening. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. Stay cool, stay hydrated, stay informed. && $$ GAZ132>135-149-282300- /O.NEW.KJAX.HT.Y.0009.250729T1600Z-250729T2300Z/ /O.CON.KJAX.HT.Y.0008.250728T1600Z-250728T2300Z/ Coffee-Jeff Davis-Bacon-Appling-Atkinson- Including the cities of New Lacy, Pearson, Alma, Pine Grove, Hazlehurst, Willacoochee, Douglas, Plant Hatch, Baxley, and Axson 1222 AM EDT Mon Jul 28 2025 ...HEAT ADVISORY REMAINS IN EFFECT FROM NOON TODAY TO 7 PM EDT THIS EVENING... ...HEAT ADVISORY IN EFFECT FROM NOON TO 7 PM EDT TUESDAY... * WHAT...For the Heat Advisories, heat index values up to 112 expected. * WHERE...Appling, Atkinson, Bacon, Coffee, and Jeff Davis Counties. * WHEN...For the first Heat Advisory, from noon today to 7 PM EDT this evening. For the second Heat Advisory, from noon to 7 PM EDT Tuesday. * 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. && $$ FLZ021-030-031-035-136-138-140-220-233-236-240-333-340-422-522- 282300- /O.NEW.KJAX.XH.A.0002.250729T1600Z-250729T2300Z/ /O.CON.KJAX.HT.Y.0008.250728T1600Z-250728T2300Z/ Suwannee-Union-Bradford-Gilchrist-Eastern Alachua-Coastal Flagler- Eastern Marion-Western Hamilton-Northeast Coastal St. Johns- Western Alachua-Central Marion-Southeast Coastal St. Johns- Western Marion-Southeastern Columbia-Southwestern Columbia- Including the cities of Oleno State Park, Lake Butler, Anthony, Watertown, Newnans Lake, Newburn, Archer, Live Oak, Lake City, Lulu, Palm Valley, High Springs, Blue Springs, Burbank, Anastasia, Butler Beach, Trenton, Palm Coast, Saint Augustine Beach, Moss Bluff, Gainesville, Saint Augustine, Saint Augustine South, Columbia, New River, Houston, Lynne, Weirsdale, West Lake, Saint Augustine Shore, Starke, Ponte Vedra Beach, Newberry, Suwannee River Station, Suwannee Springs, Gainesville Airport, Ocala, McAlpin, and Ocala Airport 1222 AM EDT Mon Jul 28 2025 ...HEAT ADVISORY REMAINS IN EFFECT FROM NOON TODAY TO 7 PM EDT THIS EVENING... ...EXTREME HEAT WATCH IN EFFECT FROM TUESDAY AFTERNOON THROUGH TUESDAY EVENING... * WHAT...For the Heat Advisory, heat index values up to 112 expected. For the Extreme Heat Watch, dangerously hot conditions with heat index values up to 115 possible. * WHERE...Portions of northeast and northern Florida. * WHEN...For the Heat Advisory, from noon today to 7 PM EDT this evening. For the Extreme Heat Watch, from Tuesday afternoon through Tuesday 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. 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. && $$ For more information, visit us at www.weather.gov/jax NELSON Action: Time Extended Issued At: 2025-07-28 17:58:30 847 WWUS72 KJAX 282258 NPWJAX URGENT - WEATHER MESSAGE National Weather Service Jacksonville FL 658 PM EDT Mon Jul 28 2025 FLZ023-024-038-120-124-125-132-137-225-232-237-322-325-425-433-533- 633-GAZ136-151>154-162-163-165-166-250-264-350-364-290700- /O.EXT.KJAX.XH.W.0001.000000T0000Z-250729T0000Z/ /O.CON.KJAX.XH.A.0002.250729T1600Z-250729T2300Z/ Baker-Inland Nassau-Inland Flagler-Eastern Hamilton-Coastal Nassau-Coastal Duval-Eastern Clay-Eastern Putnam-Trout River- Western Clay-Western Putnam-Northern Columbia-South Central Duval- Western Duval-Northern Inland St. Johns-Southern Inland St. Johns- Western St. Johns-Wayne-Pierce-Brantley-Inland Glynn-Coastal Glynn-Echols-Clinch-Inland Camden-Coastal Camden-Northern Ware- Northeastern Charlton-Southern Ware-Western Charlton- Including the cities of Bryceville, Arlington, Gardi, Jasper, St. Simons, Homerville, Raybon, Colesburg, Waycross, Woodbine, Atkinson, Macclenny, Dupont Center, Needham, Jesup, Nahunta, Espanola, Belmont, White Springs, Country Club Estate, Doctors Inlet, Lakeside, Kingsland, Stephen Foster State Park, Carraway, Jekyll Island, Riverside, Middleburg, Dock Junction, Hoboken, Doctortown, Yulee, Hickox, Folkston, Thalmann, Bostwick, Durbin, Race Pond, Tallyrand, Dover Bluff, Orange Park, Palatka, Jennings, Suwannee Valley, Needmore, Ratliff, Switzerland, Bellair, Oceanway, Glynn Haven, Blackshear, Kings Ferry, Sea Island, Olustee, Andalusia, Waynesville, Statenville, Hortense, Waverly, Fernandina Beach, Amelia City, Winfield, Green Cove Springs, Tarboro, Winokur, Jacksonville, St. George, Bunnell, Bakersville, Homeland, Ortega, Hilliard, Fruit Cove, Picolata, Normandy, San Marco, and Dungeness 658 PM EDT Mon Jul 28 2025 ...EXTREME HEAT WARNING NOW IN EFFECT UNTIL 8 PM EDT THIS EVENING... ...EXTREME HEAT WATCH REMAINS IN EFFECT FROM TUESDAY AFTERNOON THROUGH TUESDAY EVENING... * WHAT...For the Extreme Heat Warning, dangerously hot conditions with heat index values up to 113. For the Extreme Heat Watch, dangerously hot conditions with heat index values up to 116 possible. * WHERE...Portions of northeast and northern Florida and southeast Georgia. * WHEN...For the Extreme Heat Warning, until 8 PM EDT this evening. For the Extreme Heat Watch, from Tuesday afternoon through Tuesday 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. && $$ GAZ132>135-149-290700- /O.EXT.KJAX.HT.Y.0008.000000T0000Z-250729T0000Z/ /O.CON.KJAX.HT.Y.0009.250729T1600Z-250729T2300Z/ Coffee-Jeff Davis-Bacon-Appling-Atkinson- Including the cities of Pine Grove, Plant Hatch, Axson, Alma, Douglas, Pearson, Baxley, Willacoochee, Hazlehurst, and New Lacy 658 PM EDT Mon Jul 28 2025 ...HEAT ADVISORY NOW IN EFFECT UNTIL 8 PM EDT THIS EVENING... ...HEAT ADVISORY REMAINS IN EFFECT FROM NOON TO 7 PM EDT TUESDAY... * WHAT...For the first Heat Advisory, heat index values up to 108. For the second Heat Advisory, heat index values up to 111 expected. * WHERE...Appling, Atkinson, Bacon, Coffee, and Jeff Davis Counties. * WHEN...For the first Heat Advisory, until 8 PM EDT this evening. For the second Heat Advisory, from noon to 7 PM EDT Tuesday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. && $$ FLZ021-030-031-035-136-138-140-220-233-236-240-333-340-422-522- 290700- /O.EXT.KJAX.HT.Y.0008.000000T0000Z-250729T0000Z/ /O.CON.KJAX.XH.A.0002.250729T1600Z-250729T2300Z/ Suwannee-Union-Bradford-Gilchrist-Eastern Alachua-Coastal Flagler- Eastern Marion-Western Hamilton-Northeast Coastal St. Johns- Western Alachua-Central Marion-Southeast Coastal St. Johns- Western Marion-Southeastern Columbia-Southwestern Columbia- Including the cities of Butler Beach, Saint Augustine South, McAlpin, Newnans Lake, Moss Bluff, Lake Butler, Saint Augustine Shore, Gainesville Airport, Saint Augustine, Anthony, Watertown, Lulu, High Springs, Suwannee River Station, Oleno State Park, Ponte Vedra Beach, Starke, Anastasia, Palm Coast, Ocala Airport, Suwannee Springs, West Lake, New River, Weirsdale, Columbia, Lynne, Archer, Ocala, Newburn, Gainesville, Blue Springs, Palm Valley, Newberry, Saint Augustine Beach, Burbank, Houston, Trenton, Live Oak, and Lake City 658 PM EDT Mon Jul 28 2025 ...HEAT ADVISORY NOW IN EFFECT UNTIL 8 PM EDT THIS EVENING... ...EXTREME HEAT WATCH REMAINS IN EFFECT FROM TUESDAY AFTERNOON THROUGH TUESDAY EVENING... * WHAT...For the Heat Advisory, heat index values up to 108. For the Extreme Heat Watch, dangerously hot conditions with heat index values up to 115 possible. * WHERE...Portions of northeast and northern Florida. * WHEN...For the Heat Advisory, until 8 PM EDT this evening. For the Extreme Heat Watch, from Tuesday afternoon through Tuesday 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. 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. && $$ For more information, visit us at www.weather.gov/jax DUBOIS Action: Time Extended Issued At: 2025-07-28 17:58:30 847 WWUS72 KJAX 282258 NPWJAX URGENT - WEATHER MESSAGE National Weather Service Jacksonville FL 658 PM EDT Mon Jul 28 2025 FLZ023-024-038-120-124-125-132-137-225-232-237-322-325-425-433-533- 633-GAZ136-151>154-162-163-165-166-250-264-350-364-290700- /O.EXT.KJAX.XH.W.0001.000000T0000Z-250729T0000Z/ /O.CON.KJAX.XH.A.0002.250729T1600Z-250729T2300Z/ Baker-Inland Nassau-Inland Flagler-Eastern Hamilton-Coastal Nassau-Coastal Duval-Eastern Clay-Eastern Putnam-Trout River- Western Clay-Western Putnam-Northern Columbia-South Central Duval- Western Duval-Northern Inland St. Johns-Southern Inland St. Johns- Western St. Johns-Wayne-Pierce-Brantley-Inland Glynn-Coastal Glynn-Echols-Clinch-Inland Camden-Coastal Camden-Northern Ware- Northeastern Charlton-Southern Ware-Western Charlton- Including the cities of Bryceville, Arlington, Gardi, Jasper, St. Simons, Homerville, Raybon, Colesburg, Waycross, Woodbine, Atkinson, Macclenny, Dupont Center, Needham, Jesup, Nahunta, Espanola, Belmont, White Springs, Country Club Estate, Doctors Inlet, Lakeside, Kingsland, Stephen Foster State Park, Carraway, Jekyll Island, Riverside, Middleburg, Dock Junction, Hoboken, Doctortown, Yulee, Hickox, Folkston, Thalmann, Bostwick, Durbin, Race Pond, Tallyrand, Dover Bluff, Orange Park, Palatka, Jennings, Suwannee Valley, Needmore, Ratliff, Switzerland, Bellair, Oceanway, Glynn Haven, Blackshear, Kings Ferry, Sea Island, Olustee, Andalusia, Waynesville, Statenville, Hortense, Waverly, Fernandina Beach, Amelia City, Winfield, Green Cove Springs, Tarboro, Winokur, Jacksonville, St. George, Bunnell, Bakersville, Homeland, Ortega, Hilliard, Fruit Cove, Picolata, Normandy, San Marco, and Dungeness 658 PM EDT Mon Jul 28 2025 ...EXTREME HEAT WARNING NOW IN EFFECT UNTIL 8 PM EDT THIS EVENING... ...EXTREME HEAT WATCH REMAINS IN EFFECT FROM TUESDAY AFTERNOON THROUGH TUESDAY EVENING... * WHAT...For the Extreme Heat Warning, dangerously hot conditions with heat index values up to 113. For the Extreme Heat Watch, dangerously hot conditions with heat index values up to 116 possible. * WHERE...Portions of northeast and northern Florida and southeast Georgia. * WHEN...For the Extreme Heat Warning, until 8 PM EDT this evening. For the Extreme Heat Watch, from Tuesday afternoon through Tuesday 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. && $$ GAZ132>135-149-290700- /O.EXT.KJAX.HT.Y.0008.000000T0000Z-250729T0000Z/ /O.CON.KJAX.HT.Y.0009.250729T1600Z-250729T2300Z/ Coffee-Jeff Davis-Bacon-Appling-Atkinson- Including the cities of Pine Grove, Plant Hatch, Axson, Alma, Douglas, Pearson, Baxley, Willacoochee, Hazlehurst, and New Lacy 658 PM EDT Mon Jul 28 2025 ...HEAT ADVISORY NOW IN EFFECT UNTIL 8 PM EDT THIS EVENING... ...HEAT ADVISORY REMAINS IN EFFECT FROM NOON TO 7 PM EDT TUESDAY... * 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...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 noon to 7 PM EDT Tuesday. * 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. && $$ FLZ021-030-031-035-136-138-140-220-233-236-240-333-340-422-522- 290700- /O.EXT.KJAX.HT.Y.0008.000000T0000Z-250729T0000Z/ /O.CON.KJAX.XH.A.0002.250729T1600Z-250729T2300Z/ Suwannee-Union-Bradford-Gilchrist-Eastern Alachua-Coastal Flagler- Eastern Marion-Western Hamilton-Northeast Coastal St. Johns- Western Alachua-Central Marion-Southeast Coastal St. Johns- Western Marion-Southeastern Columbia-Southwestern Columbia- Including the cities of Butler Beach, Saint Augustine South, McAlpin, Newnans Lake, Moss Bluff, Lake Butler, Saint Augustine Shore, Gainesville Airport, Saint Augustine, Anthony, Watertown, Lulu, High Springs, Suwannee River Station, Oleno State Park, Ponte Vedra Beach, Starke, Anastasia, Palm Coast, Ocala Airport, Suwannee Springs, West Lake, New River, Weirsdale, Columbia, Lynne, Archer, Ocala, Newburn, Gainesville, Blue Springs, Palm Valley, Newberry, Saint Augustine Beach, Burbank, Houston, Trenton, Live Oak, and Lake City 658 PM EDT Mon Jul 28 2025 ...HEAT ADVISORY NOW IN EFFECT UNTIL 8 PM EDT THIS EVENING... ...EXTREME HEAT WATCH REMAINS IN EFFECT FROM TUESDAY AFTERNOON THROUGH TUESDAY EVENING... * WHAT...For the Heat Advisory, heat index values up to 108. For the Extreme Heat Watch, dangerously hot conditions with heat index values up to 115 possible. * WHERE...Portions of northeast and northern Florida. * WHEN...For the Heat Advisory, until 8 PM EDT this evening. For the Extreme Heat Watch, from Tuesday afternoon through Tuesday 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. 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. && $$ For more information, visit us at www.weather.gov/jax DUBOIS Action: Expired Issued At: 2025-07-28 19:00:32 832 WWUS72 KJAX 290000 NPWJAX URGENT - WEATHER MESSAGE National Weather Service Jacksonville FL 800 PM EDT Mon Jul 28 2025 FLZ023-024-038-120-124-125-132-137-225-232-237-322-325-425-433-533- 633-GAZ136-151>154-162-163-165-166-250-264-350-364-290800- /O.EXP.KJAX.XH.W.0001.000000T0000Z-250729T0000Z/ /O.CON.KJAX.XH.A.0002.250729T1600Z-250729T2300Z/ Baker-Inland Nassau-Inland Flagler-Eastern Hamilton-Coastal Nassau-Coastal Duval-Eastern Clay-Eastern Putnam-Trout River- Western Clay-Western Putnam-Northern Columbia-South Central Duval- Western Duval-Northern Inland St. Johns-Southern Inland St. Johns- Western St. Johns-Wayne-Pierce-Brantley-Inland Glynn-Coastal Glynn-Echols-Clinch-Inland Camden-Coastal Camden-Northern Ware- Northeastern Charlton-Southern Ware-Western Charlton- Including the cities of Bryceville, Arlington, Gardi, Jasper, St. Simons, Homerville, Raybon, Colesburg, Waycross, Woodbine, Atkinson, Macclenny, Dupont Center, Needham, Jesup, Nahunta, Espanola, Belmont, White Springs, Country Club Estate, Doctors Inlet, Lakeside, Kingsland, Stephen Foster State Park, Carraway, Jekyll Island, Riverside, Middleburg, Dock Junction, Hoboken, Doctortown, Yulee, Hickox, Folkston, Thalmann, Bostwick, Durbin, Race Pond, Tallyrand, Dover Bluff, Orange Park, Palatka, Jennings, Suwannee Valley, Needmore, Ratliff, Switzerland, Bellair, Oceanway, Glynn Haven, Blackshear, Kings Ferry, Sea Island, Olustee, Andalusia, Waynesville, Statenville, Hortense, Waverly, Fernandina Beach, Amelia City, Winfield, Green Cove Springs, Tarboro, Winokur, Jacksonville, St. George, Bunnell, Bakersville, Homeland, Ortega, Hilliard, Fruit Cove, Picolata, Normandy, San Marco, and Dungeness 800 PM EDT Mon Jul 28 2025 ...EXTREME HEAT WATCH REMAINS IN EFFECT FROM TUESDAY AFTERNOON THROUGH TUESDAY EVENING... ...EXTREME HEAT WARNING WILL EXPIRE AT 8 PM EDT THIS EVENING... * WHAT...Dangerously hot conditions with heat index values up to 116 possible. * WHERE...Portions of northeast and northern Florida and southeast Georgia. * WHEN...From Tuesday afternoon through Tuesday 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. && $$ GAZ132>135-149-290800- /O.EXP.KJAX.HT.Y.0008.000000T0000Z-250729T0000Z/ /O.CON.KJAX.HT.Y.0009.250729T1600Z-250729T2300Z/ Coffee-Jeff Davis-Bacon-Appling-Atkinson- Including the cities of Pine Grove, Plant Hatch, Axson, Alma, Douglas, Pearson, Baxley, Willacoochee, Hazlehurst, and New Lacy 800 PM EDT Mon Jul 28 2025 ...HEAT ADVISORY REMAINS IN EFFECT FROM NOON TO 7 PM EDT TUESDAY... ...HEAT ADVISORY WILL EXPIRE AT 8 PM EDT THIS EVENING... * WHAT...Heat index values up to 111 expected. * WHERE...Appling, Atkinson, Bacon, Coffee, and Jeff Davis Counties. * WHEN...From noon to 7 PM EDT Tuesday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. && $$ FLZ021-030-031-035-136-138-140-220-233-236-240-333-340-422-522- 290800- /O.EXP.KJAX.HT.Y.0008.000000T0000Z-250729T0000Z/ /O.CON.KJAX.XH.A.0002.250729T1600Z-250729T2300Z/ Suwannee-Union-Bradford-Gilchrist-Eastern Alachua-Coastal Flagler- Eastern Marion-Western Hamilton-Northeast Coastal St. Johns- Western Alachua-Central Marion-Southeast Coastal St. Johns- Western Marion-Southeastern Columbia-Southwestern Columbia- Including the cities of Butler Beach, Saint Augustine South, McAlpin, Newnans Lake, Moss Bluff, Lake Butler, Saint Augustine Shore, Gainesville Airport, Saint Augustine, Anthony, Watertown, Lulu, High Springs, Suwannee River Station, Oleno State Park, Ponte Vedra Beach, Starke, Anastasia, Palm Coast, Ocala Airport, Suwannee Springs, West Lake, New River, Weirsdale, Columbia, Lynne, Archer, Ocala, Newburn, Gainesville, Blue Springs, Palm Valley, Newberry, Saint Augustine Beach, Burbank, Houston, Trenton, Live Oak, and Lake City 800 PM EDT Mon Jul 28 2025 ...EXTREME HEAT WATCH REMAINS IN EFFECT FROM TUESDAY AFTERNOON THROUGH TUESDAY EVENING... ...HEAT ADVISORY WILL EXPIRE AT 8 PM EDT THIS EVENING... * WHAT...Dangerously hot conditions with heat index values up to 115 possible. * WHERE...Portions of northeast and northern Florida. * WHEN...From Tuesday afternoon through Tuesday 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. && $$ For more information, visit us at www.weather.gov/jax DUBOIS Action: Expired Issued At: 2025-07-28 19:00:32 832 WWUS72 KJAX 290000 NPWJAX URGENT - WEATHER MESSAGE National Weather Service Jacksonville FL 800 PM EDT Mon Jul 28 2025 FLZ023-024-038-120-124-125-132-137-225-232-237-322-325-425-433-533- 633-GAZ136-151>154-162-163-165-166-250-264-350-364-290800- /O.EXP.KJAX.XH.W.0001.000000T0000Z-250729T0000Z/ /O.CON.KJAX.XH.A.0002.250729T1600Z-250729T2300Z/ Baker-Inland Nassau-Inland Flagler-Eastern Hamilton-Coastal Nassau-Coastal Duval-Eastern Clay-Eastern Putnam-Trout River- Western Clay-Western Putnam-Northern Columbia-South Central Duval- Western Duval-Northern Inland St. Johns-Southern Inland St. Johns- Western St. Johns-Wayne-Pierce-Brantley-Inland Glynn-Coastal Glynn-Echols-Clinch-Inland Camden-Coastal Camden-Northern Ware- Northeastern Charlton-Southern Ware-Western Charlton- Including the cities of Bryceville, Arlington, Gardi, Jasper, St. Simons, Homerville, Raybon, Colesburg, Waycross, Woodbine, Atkinson, Macclenny, Dupont Center, Needham, Jesup, Nahunta, Espanola, Belmont, White Springs, Country Club Estate, Doctors Inlet, Lakeside, Kingsland, Stephen Foster State Park, Carraway, Jekyll Island, Riverside, Middleburg, Dock Junction, Hoboken, Doctortown, Yulee, Hickox, Folkston, Thalmann, Bostwick, Durbin, Race Pond, Tallyrand, Dover Bluff, Orange Park, Palatka, Jennings, Suwannee Valley, Needmore, Ratliff, Switzerland, Bellair, Oceanway, Glynn Haven, Blackshear, Kings Ferry, Sea Island, Olustee, Andalusia, Waynesville, Statenville, Hortense, Waverly, Fernandina Beach, Amelia City, Winfield, Green Cove Springs, Tarboro, Winokur, Jacksonville, St. George, Bunnell, Bakersville, Homeland, Ortega, Hilliard, Fruit Cove, Picolata, Normandy, San Marco, and Dungeness 800 PM EDT Mon Jul 28 2025 ...EXTREME HEAT WATCH REMAINS IN EFFECT FROM TUESDAY AFTERNOON THROUGH TUESDAY EVENING... ...EXTREME HEAT WARNING WILL EXPIRE AT 8 PM EDT THIS EVENING... * WHAT...Dangerously hot conditions with heat index values up to 116 possible. * WHERE...Portions of northeast and northern Florida and southeast Georgia. * WHEN...From Tuesday afternoon through Tuesday 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. && $$ GAZ132>135-149-290800- /O.EXP.KJAX.HT.Y.0008.000000T0000Z-250729T0000Z/ /O.CON.KJAX.HT.Y.0009.250729T1600Z-250729T2300Z/ Coffee-Jeff Davis-Bacon-Appling-Atkinson- Including the cities of Pine Grove, Plant Hatch, Axson, Alma, Douglas, Pearson, Baxley, Willacoochee, Hazlehurst, and New Lacy 800 PM EDT Mon Jul 28 2025 ...HEAT ADVISORY REMAINS IN EFFECT FROM NOON TO 7 PM EDT TUESDAY... ...HEAT ADVISORY WILL EXPIRE AT 8 PM EDT THIS EVENING... * WHAT...Heat index values up to 111 expected. * WHERE...Appling, Atkinson, Bacon, Coffee, and Jeff Davis Counties. * WHEN...From noon to 7 PM EDT Tuesday. * 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. && $$ FLZ021-030-031-035-136-138-140-220-233-236-240-333-340-422-522- 290800- /O.EXP.KJAX.HT.Y.0008.000000T0000Z-250729T0000Z/ /O.CON.KJAX.XH.A.0002.250729T1600Z-250729T2300Z/ Suwannee-Union-Bradford-Gilchrist-Eastern Alachua-Coastal Flagler- Eastern Marion-Western Hamilton-Northeast Coastal St. Johns- Western Alachua-Central Marion-Southeast Coastal St. Johns- Western Marion-Southeastern Columbia-Southwestern Columbia- Including the cities of Butler Beach, Saint Augustine South, McAlpin, Newnans Lake, Moss Bluff, Lake Butler, Saint Augustine Shore, Gainesville Airport, Saint Augustine, Anthony, Watertown, Lulu, High Springs, Suwannee River Station, Oleno State Park, Ponte Vedra Beach, Starke, Anastasia, Palm Coast, Ocala Airport, Suwannee Springs, West Lake, New River, Weirsdale, Columbia, Lynne, Archer, Ocala, Newburn, Gainesville, Blue Springs, Palm Valley, Newberry, Saint Augustine Beach, Burbank, Houston, Trenton, Live Oak, and Lake City 800 PM EDT Mon Jul 28 2025 ...EXTREME HEAT WATCH REMAINS IN EFFECT FROM TUESDAY AFTERNOON THROUGH TUESDAY EVENING... ...HEAT ADVISORY WILL EXPIRE AT 8 PM EDT THIS EVENING... * WHAT...Dangerously hot conditions with heat index values up to 115 possible. * WHERE...Portions of northeast and northern Florida. * WHEN...From Tuesday afternoon through Tuesday evening. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes. && $$ For more information, visit us at www.weather.gov/jax DUBOIS | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||