10 advisories in effect for 10 regions in the area

• Charlton, Northeastern, Western

  Heat Advisory

  URGENT - WEATHER MESSAGE National Weather Service Jacksonville FL 241 AM EDT Mon Aug 17 2026 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 Plant Hatch, Needham, Live Oak, Belmont, Suwannee Valley, Hoboken, Arlington, Gardi, Folkston, Anastasia, Anthony, Hickox, Winokur, Statenville, Waynesville, Durbin, Switzerland, Newburn, Palm Coast, Douglas, Green Cove Springs, Columbia, Weirsdale, Raybon, Lakeside, Lynne, Waycross, Hazlehurst, Andalusia, Newnans Lake, Gainesville, Ocala Airport, New Lacy, Archer, Needmore, New River, San Marco, Jesup, Kings Ferry, Lake Butler, Middleburg, Fernandina Beach, Atkinson, Burbank, Picolata, Palatka, Jasper, Bakersville, Tallyrand, Trenton, Saint Augustine Shore, Lake City, Suwannee River Station, McAlpin, Willacoochee, Watertown, Palm Valley, Ortega, Stephen Foster State Park, West Lake, Amelia City, Homerville, Doctortown, Starke, Normandy, Winfield, Espanola, Gainesville Airport, Ratliff, White Springs, Bryceville, Nahunta, Dupont Center, Yulee, Orange Park, Jacksonville, Riverside, Bunnell, Olustee, Newberry, Carraway, Oleno State Park, Ponte Vedra Beach, Axson, Lulu, Blackshear, St. George, Fruit Cove, Ocala, Saint Augustine South, Bostwick, Hilliard, Butler Beach, Moss Bluff, Macclenny, Pearson, Baxley, Homeland, Blue Springs, Pine Grove, Jennings, Bellair, Alma, Doctors Inlet, Houston, Suwannee Springs, High Springs, Oceanway, Saint Augustine Beach, Race Pond, Saint Augustine, and Hortense 241 AM EDT Mon Aug 17 2026 ...HEAT ADVISORY REMAINS IN EFFECT FROM 11 AM THIS MORNING TO 8 PM EDT THIS EVENING... * WHAT...Heat index values up to 112 expected. * WHERE...Northeast and north central Florida and portions of 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. 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.

• Pierce

  Heat Advisory

  URGENT - WEATHER MESSAGE National Weather Service Jacksonville FL 241 AM EDT Mon Aug 17 2026 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 Plant Hatch, Needham, Live Oak, Belmont, Suwannee Valley, Hoboken, Arlington, Gardi, Folkston, Anastasia, Anthony, Hickox, Winokur, Statenville, Waynesville, Durbin, Switzerland, Newburn, Palm Coast, Douglas, Green Cove Springs, Columbia, Weirsdale, Raybon, Lakeside, Lynne, Waycross, Hazlehurst, Andalusia, Newnans Lake, Gainesville, Ocala Airport, New Lacy, Archer, Needmore, New River, San Marco, Jesup, Kings Ferry, Lake Butler, Middleburg, Fernandina Beach, Atkinson, Burbank, Picolata, Palatka, Jasper, Bakersville, Tallyrand, Trenton, Saint Augustine Shore, Lake City, Suwannee River Station, McAlpin, Willacoochee, Watertown, Palm Valley, Ortega, Stephen Foster State Park, West Lake, Amelia City, Homerville, Doctortown, Starke, Normandy, Winfield, Espanola, Gainesville Airport, Ratliff, White Springs, Bryceville, Nahunta, Dupont Center, Yulee, Orange Park, Jacksonville, Riverside, Bunnell, Olustee, Newberry, Carraway, Oleno State Park, Ponte Vedra Beach, Axson, Lulu, Blackshear, St. George, Fruit Cove, Ocala, Saint Augustine South, Bostwick, Hilliard, Butler Beach, Moss Bluff, Macclenny, Pearson, Baxley, Homeland, Blue Springs, Pine Grove, Jennings, Bellair, Alma, Doctors Inlet, Houston, Suwannee Springs, High Springs, Oceanway, Saint Augustine Beach, Race Pond, Saint Augustine, and Hortense 241 AM EDT Mon Aug 17 2026 ...HEAT ADVISORY REMAINS IN EFFECT FROM 11 AM THIS MORNING TO 8 PM EDT THIS EVENING... * WHAT...Heat index values up to 112 expected. * WHERE...Northeast and north central Florida and portions of 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. 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.

• Bradford

  Heat Advisory

  URGENT - WEATHER MESSAGE National Weather Service Jacksonville FL 241 AM EDT Mon Aug 17 2026 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 Plant Hatch, Needham, Live Oak, Belmont, Suwannee Valley, Hoboken, Arlington, Gardi, Folkston, Anastasia, Anthony, Hickox, Winokur, Statenville, Waynesville, Durbin, Switzerland, Newburn, Palm Coast, Douglas, Green Cove Springs, Columbia, Weirsdale, Raybon, Lakeside, Lynne, Waycross, Hazlehurst, Andalusia, Newnans Lake, Gainesville, Ocala Airport, New Lacy, Archer, Needmore, New River, San Marco, Jesup, Kings Ferry, Lake Butler, Middleburg, Fernandina Beach, Atkinson, Burbank, Picolata, Palatka, Jasper, Bakersville, Tallyrand, Trenton, Saint Augustine Shore, Lake City, Suwannee River Station, McAlpin, Willacoochee, Watertown, Palm Valley, Ortega, Stephen Foster State Park, West Lake, Amelia City, Homerville, Doctortown, Starke, Normandy, Winfield, Espanola, Gainesville Airport, Ratliff, White Springs, Bryceville, Nahunta, Dupont Center, Yulee, Orange Park, Jacksonville, Riverside, Bunnell, Olustee, Newberry, Carraway, Oleno State Park, Ponte Vedra Beach, Axson, Lulu, Blackshear, St. George, Fruit Cove, Ocala, Saint Augustine South, Bostwick, Hilliard, Butler Beach, Moss Bluff, Macclenny, Pearson, Baxley, Homeland, Blue Springs, Pine Grove, Jennings, Bellair, Alma, Doctors Inlet, Houston, Suwannee Springs, High Springs, Oceanway, Saint Augustine Beach, Race Pond, Saint Augustine, and Hortense 241 AM EDT Mon Aug 17 2026 ...HEAT ADVISORY REMAINS IN EFFECT FROM 11 AM THIS MORNING TO 8 PM EDT THIS EVENING... * WHAT...Heat index values up to 112 expected. * WHERE...Northeast and north central Florida and portions of 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. 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.

• Baker

  Heat Advisory

  URGENT - WEATHER MESSAGE National Weather Service Jacksonville FL 241 AM EDT Mon Aug 17 2026 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 Plant Hatch, Needham, Live Oak, Belmont, Suwannee Valley, Hoboken, Arlington, Gardi, Folkston, Anastasia, Anthony, Hickox, Winokur, Statenville, Waynesville, Durbin, Switzerland, Newburn, Palm Coast, Douglas, Green Cove Springs, Columbia, Weirsdale, Raybon, Lakeside, Lynne, Waycross, Hazlehurst, Andalusia, Newnans Lake, Gainesville, Ocala Airport, New Lacy, Archer, Needmore, New River, San Marco, Jesup, Kings Ferry, Lake Butler, Middleburg, Fernandina Beach, Atkinson, Burbank, Picolata, Palatka, Jasper, Bakersville, Tallyrand, Trenton, Saint Augustine Shore, Lake City, Suwannee River Station, McAlpin, Willacoochee, Watertown, Palm Valley, Ortega, Stephen Foster State Park, West Lake, Amelia City, Homerville, Doctortown, Starke, Normandy, Winfield, Espanola, Gainesville Airport, Ratliff, White Springs, Bryceville, Nahunta, Dupont Center, Yulee, Orange Park, Jacksonville, Riverside, Bunnell, Olustee, Newberry, Carraway, Oleno State Park, Ponte Vedra Beach, Axson, Lulu, Blackshear, St. George, Fruit Cove, Ocala, Saint Augustine South, Bostwick, Hilliard, Butler Beach, Moss Bluff, Macclenny, Pearson, Baxley, Homeland, Blue Springs, Pine Grove, Jennings, Bellair, Alma, Doctors Inlet, Houston, Suwannee Springs, High Springs, Oceanway, Saint Augustine Beach, Race Pond, Saint Augustine, and Hortense 241 AM EDT Mon Aug 17 2026 ...HEAT ADVISORY REMAINS IN EFFECT FROM 11 AM THIS MORNING TO 8 PM EDT THIS EVENING... * WHAT...Heat index values up to 112 expected. * WHERE...Northeast and north central Florida and portions of 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. 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.

• Alachua, Eastern, Western

  Heat Advisory

  URGENT - WEATHER MESSAGE National Weather Service Jacksonville FL 241 AM EDT Mon Aug 17 2026 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 Plant Hatch, Needham, Live Oak, Belmont, Suwannee Valley, Hoboken, Arlington, Gardi, Folkston, Anastasia, Anthony, Hickox, Winokur, Statenville, Waynesville, Durbin, Switzerland, Newburn, Palm Coast, Douglas, Green Cove Springs, Columbia, Weirsdale, Raybon, Lakeside, Lynne, Waycross, Hazlehurst, Andalusia, Newnans Lake, Gainesville, Ocala Airport, New Lacy, Archer, Needmore, New River, San Marco, Jesup, Kings Ferry, Lake Butler, Middleburg, Fernandina Beach, Atkinson, Burbank, Picolata, Palatka, Jasper, Bakersville, Tallyrand, Trenton, Saint Augustine Shore, Lake City, Suwannee River Station, McAlpin, Willacoochee, Watertown, Palm Valley, Ortega, Stephen Foster State Park, West Lake, Amelia City, Homerville, Doctortown, Starke, Normandy, Winfield, Espanola, Gainesville Airport, Ratliff, White Springs, Bryceville, Nahunta, Dupont Center, Yulee, Orange Park, Jacksonville, Riverside, Bunnell, Olustee, Newberry, Carraway, Oleno State Park, Ponte Vedra Beach, Axson, Lulu, Blackshear, St. George, Fruit Cove, Ocala, Saint Augustine South, Bostwick, Hilliard, Butler Beach, Moss Bluff, Macclenny, Pearson, Baxley, Homeland, Blue Springs, Pine Grove, Jennings, Bellair, Alma, Doctors Inlet, Houston, Suwannee Springs, High Springs, Oceanway, Saint Augustine Beach, Race Pond, Saint Augustine, and Hortense 241 AM EDT Mon Aug 17 2026 ...HEAT ADVISORY REMAINS IN EFFECT FROM 11 AM THIS MORNING TO 8 PM EDT THIS EVENING... * WHAT...Heat index values up to 112 expected. * WHERE...Northeast and north central Florida and portions of 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. 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.

• Brantley

  Heat Advisory

  URGENT - WEATHER MESSAGE National Weather Service Jacksonville FL 241 AM EDT Mon Aug 17 2026 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 Plant Hatch, Needham, Live Oak, Belmont, Suwannee Valley, Hoboken, Arlington, Gardi, Folkston, Anastasia, Anthony, Hickox, Winokur, Statenville, Waynesville, Durbin, Switzerland, Newburn, Palm Coast, Douglas, Green Cove Springs, Columbia, Weirsdale, Raybon, Lakeside, Lynne, Waycross, Hazlehurst, Andalusia, Newnans Lake, Gainesville, Ocala Airport, New Lacy, Archer, Needmore, New River, San Marco, Jesup, Kings Ferry, Lake Butler, Middleburg, Fernandina Beach, Atkinson, Burbank, Picolata, Palatka, Jasper, Bakersville, Tallyrand, Trenton, Saint Augustine Shore, Lake City, Suwannee River Station, McAlpin, Willacoochee, Watertown, Palm Valley, Ortega, Stephen Foster State Park, West Lake, Amelia City, Homerville, Doctortown, Starke, Normandy, Winfield, Espanola, Gainesville Airport, Ratliff, White Springs, Bryceville, Nahunta, Dupont Center, Yulee, Orange Park, Jacksonville, Riverside, Bunnell, Olustee, Newberry, Carraway, Oleno State Park, Ponte Vedra Beach, Axson, Lulu, Blackshear, St. George, Fruit Cove, Ocala, Saint Augustine South, Bostwick, Hilliard, Butler Beach, Moss Bluff, Macclenny, Pearson, Baxley, Homeland, Blue Springs, Pine Grove, Jennings, Bellair, Alma, Doctors Inlet, Houston, Suwannee Springs, High Springs, Oceanway, Saint Augustine Beach, Race Pond, Saint Augustine, and Hortense 241 AM EDT Mon Aug 17 2026 ...HEAT ADVISORY REMAINS IN EFFECT FROM 11 AM THIS MORNING TO 8 PM EDT THIS EVENING... * WHAT...Heat index values up to 112 expected. * WHERE...Northeast and north central Florida and portions of 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. 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.

• Duval, Coastal, Inland

  Heat Advisory

  URGENT - WEATHER MESSAGE National Weather Service Jacksonville FL 241 AM EDT Mon Aug 17 2026 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 Plant Hatch, Needham, Live Oak, Belmont, Suwannee Valley, Hoboken, Arlington, Gardi, Folkston, Anastasia, Anthony, Hickox, Winokur, Statenville, Waynesville, Durbin, Switzerland, Newburn, Palm Coast, Douglas, Green Cove Springs, Columbia, Weirsdale, Raybon, Lakeside, Lynne, Waycross, Hazlehurst, Andalusia, Newnans Lake, Gainesville, Ocala Airport, New Lacy, Archer, Needmore, New River, San Marco, Jesup, Kings Ferry, Lake Butler, Middleburg, Fernandina Beach, Atkinson, Burbank, Picolata, Palatka, Jasper, Bakersville, Tallyrand, Trenton, Saint Augustine Shore, Lake City, Suwannee River Station, McAlpin, Willacoochee, Watertown, Palm Valley, Ortega, Stephen Foster State Park, West Lake, Amelia City, Homerville, Doctortown, Starke, Normandy, Winfield, Espanola, Gainesville Airport, Ratliff, White Springs, Bryceville, Nahunta, Dupont Center, Yulee, Orange Park, Jacksonville, Riverside, Bunnell, Olustee, Newberry, Carraway, Oleno State Park, Ponte Vedra Beach, Axson, Lulu, Blackshear, St. George, Fruit Cove, Ocala, Saint Augustine South, Bostwick, Hilliard, Butler Beach, Moss Bluff, Macclenny, Pearson, Baxley, Homeland, Blue Springs, Pine Grove, Jennings, Bellair, Alma, Doctors Inlet, Houston, Suwannee Springs, High Springs, Oceanway, Saint Augustine Beach, Race Pond, Saint Augustine, and Hortense 241 AM EDT Mon Aug 17 2026 ...HEAT ADVISORY REMAINS IN EFFECT FROM 11 AM THIS MORNING TO 8 PM EDT THIS EVENING... * WHAT...Heat index values up to 112 expected. * WHERE...Northeast and north central Florida and portions of 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. 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.

• Nassau, Coastal, Inland

  Heat Advisory

  URGENT - WEATHER MESSAGE National Weather Service Jacksonville FL 241 AM EDT Mon Aug 17 2026 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 Plant Hatch, Needham, Live Oak, Belmont, Suwannee Valley, Hoboken, Arlington, Gardi, Folkston, Anastasia, Anthony, Hickox, Winokur, Statenville, Waynesville, Durbin, Switzerland, Newburn, Palm Coast, Douglas, Green Cove Springs, Columbia, Weirsdale, Raybon, Lakeside, Lynne, Waycross, Hazlehurst, Andalusia, Newnans Lake, Gainesville, Ocala Airport, New Lacy, Archer, Needmore, New River, San Marco, Jesup, Kings Ferry, Lake Butler, Middleburg, Fernandina Beach, Atkinson, Burbank, Picolata, Palatka, Jasper, Bakersville, Tallyrand, Trenton, Saint Augustine Shore, Lake City, Suwannee River Station, McAlpin, Willacoochee, Watertown, Palm Valley, Ortega, Stephen Foster State Park, West Lake, Amelia City, Homerville, Doctortown, Starke, Normandy, Winfield, Espanola, Gainesville Airport, Ratliff, White Springs, Bryceville, Nahunta, Dupont Center, Yulee, Orange Park, Jacksonville, Riverside, Bunnell, Olustee, Newberry, Carraway, Oleno State Park, Ponte Vedra Beach, Axson, Lulu, Blackshear, St. George, Fruit Cove, Ocala, Saint Augustine South, Bostwick, Hilliard, Butler Beach, Moss Bluff, Macclenny, Pearson, Baxley, Homeland, Blue Springs, Pine Grove, Jennings, Bellair, Alma, Doctors Inlet, Houston, Suwannee Springs, High Springs, Oceanway, Saint Augustine Beach, Race Pond, Saint Augustine, and Hortense 241 AM EDT Mon Aug 17 2026 ...HEAT ADVISORY REMAINS IN EFFECT FROM 11 AM THIS MORNING TO 8 PM EDT THIS EVENING... * WHAT...Heat index values up to 112 expected. * WHERE...Northeast and north central Florida and portions of 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. 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.

• Ware, Northern, Southern

  Heat Advisory

  URGENT - WEATHER MESSAGE National Weather Service Jacksonville FL 241 AM EDT Mon Aug 17 2026 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 Plant Hatch, Needham, Live Oak, Belmont, Suwannee Valley, Hoboken, Arlington, Gardi, Folkston, Anastasia, Anthony, Hickox, Winokur, Statenville, Waynesville, Durbin, Switzerland, Newburn, Palm Coast, Douglas, Green Cove Springs, Columbia, Weirsdale, Raybon, Lakeside, Lynne, Waycross, Hazlehurst, Andalusia, Newnans Lake, Gainesville, Ocala Airport, New Lacy, Archer, Needmore, New River, San Marco, Jesup, Kings Ferry, Lake Butler, Middleburg, Fernandina Beach, Atkinson, Burbank, Picolata, Palatka, Jasper, Bakersville, Tallyrand, Trenton, Saint Augustine Shore, Lake City, Suwannee River Station, McAlpin, Willacoochee, Watertown, Palm Valley, Ortega, Stephen Foster State Park, West Lake, Amelia City, Homerville, Doctortown, Starke, Normandy, Winfield, Espanola, Gainesville Airport, Ratliff, White Springs, Bryceville, Nahunta, Dupont Center, Yulee, Orange Park, Jacksonville, Riverside, Bunnell, Olustee, Newberry, Carraway, Oleno State Park, Ponte Vedra Beach, Axson, Lulu, Blackshear, St. George, Fruit Cove, Ocala, Saint Augustine South, Bostwick, Hilliard, Butler Beach, Moss Bluff, Macclenny, Pearson, Baxley, Homeland, Blue Springs, Pine Grove, Jennings, Bellair, Alma, Doctors Inlet, Houston, Suwannee Springs, High Springs, Oceanway, Saint Augustine Beach, Race Pond, Saint Augustine, and Hortense 241 AM EDT Mon Aug 17 2026 ...HEAT ADVISORY REMAINS IN EFFECT FROM 11 AM THIS MORNING TO 8 PM EDT THIS EVENING... * WHAT...Heat index values up to 112 expected. * WHERE...Northeast and north central Florida and portions of 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. 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.

• Union

  Heat Advisory

  URGENT - WEATHER MESSAGE National Weather Service Jacksonville FL 241 AM EDT Mon Aug 17 2026 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 Plant Hatch, Needham, Live Oak, Belmont, Suwannee Valley, Hoboken, Arlington, Gardi, Folkston, Anastasia, Anthony, Hickox, Winokur, Statenville, Waynesville, Durbin, Switzerland, Newburn, Palm Coast, Douglas, Green Cove Springs, Columbia, Weirsdale, Raybon, Lakeside, Lynne, Waycross, Hazlehurst, Andalusia, Newnans Lake, Gainesville, Ocala Airport, New Lacy, Archer, Needmore, New River, San Marco, Jesup, Kings Ferry, Lake Butler, Middleburg, Fernandina Beach, Atkinson, Burbank, Picolata, Palatka, Jasper, Bakersville, Tallyrand, Trenton, Saint Augustine Shore, Lake City, Suwannee River Station, McAlpin, Willacoochee, Watertown, Palm Valley, Ortega, Stephen Foster State Park, West Lake, Amelia City, Homerville, Doctortown, Starke, Normandy, Winfield, Espanola, Gainesville Airport, Ratliff, White Springs, Bryceville, Nahunta, Dupont Center, Yulee, Orange Park, Jacksonville, Riverside, Bunnell, Olustee, Newberry, Carraway, Oleno State Park, Ponte Vedra Beach, Axson, Lulu, Blackshear, St. George, Fruit Cove, Ocala, Saint Augustine South, Bostwick, Hilliard, Butler Beach, Moss Bluff, Macclenny, Pearson, Baxley, Homeland, Blue Springs, Pine Grove, Jennings, Bellair, Alma, Doctors Inlet, Houston, Suwannee Springs, High Springs, Oceanway, Saint Augustine Beach, Race Pond, Saint Augustine, and Hortense 241 AM EDT Mon Aug 17 2026 ...HEAT ADVISORY REMAINS IN EFFECT FROM 11 AM THIS MORNING TO 8 PM EDT THIS EVENING... * WHAT...Heat index values up to 112 expected. * WHERE...Northeast and north central Florida and portions of 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. 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.