309
WWUS72 KJAX 132357
NPWJAX

URGENT - WEATHER MESSAGE
National Weather Service Jacksonville FL
757 PM EDT Thu Aug 13 2026

GAZ153-154-165-166-140800-
/O.EXP.KJAX.XH.W.0002.000000T0000Z-260814T0000Z/
/O.CON.KJAX.XH.W.0003.260814T1500Z-260815T0000Z/
Inland Glynn-Coastal Glynn-Inland Camden-Coastal Camden-
Including the cities of Tarboro, Dock Junction, Kingsland, Glynn
Haven, Woodbine, St. Simons, Dover Bluff, Waverly, Thalmann,
Jekyll Island, Colesburg, Country Club Estate, Sea Island, and
Dungeness
757 PM EDT Thu Aug 13 2026

...EXTREME HEAT WARNING WILL EXPIRE AT 8 PM EDT THIS EVENING...
...EXTREME HEAT WARNING REMAINS IN EFFECT FROM 11 AM TO 8 PM EDT
FRIDAY...

* WHAT...Dangerously hot conditions with heat index values up to 113
  expected.

* WHERE...Coastal Camden, Coastal Glynn, Inland Camden, and Inland
  Glynn Counties.

* WHEN...From 11 AM to 8 PM EDT Friday.

* IMPACTS...Heat related illnesses increase significantly during
  extreme heat and high humidity events.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.

&&

$$

FLZ021-023-024-030-031-035-038-120-124-125-132-136>138-140-220-225-
232-233-236-237-240-322-325-333-340-422-425-433-522-533-633-
GAZ132>136-149-151-152-162-163-250-264-350-364-140800-
/O.EXP.KJAX.HT.Y.0018.000000T0000Z-260814T0000Z/
/O.CON.KJAX.HT.Y.0019.260814T1500Z-260815T0000Z/
Suwannee-Baker-Inland Nassau-Union-Bradford-Gilchrist-Inland
Flagler-Eastern Hamilton-Coastal Nassau-Coastal Duval-Eastern
Clay-Eastern Alachua-Eastern Putnam-Coastal Flagler-Eastern
Marion-Western Hamilton-Trout River-Western Clay-Northeast
Coastal St. Johns-Western Alachua-Western Putnam-Central Marion-
Northern Columbia-South Central Duval-Southeast Coastal St. Johns-
Western Marion-Southeastern Columbia-Western Duval-Northern
Inland St. Johns-Southwestern Columbia-Southern Inland St. Johns-
Western St. Johns-Coffee-Jeff Davis-Bacon-Appling-Wayne-Atkinson-
Pierce-Brantley-Echols-Clinch-Northern Ware-Northeastern Charlton-
Southern Ware-Western Charlton-
Including the cities of Jasper, Lake Butler, Belmont, Arlington,
Alma, Picolata, Newburn, Palatka, Bunnell, Hoboken, Oceanway, Newnans
Lake, Switzerland, Waynesville, Yulee, Saint Augustine, Trenton,
Dupont Center, Gardi, Anastasia, New Lacy, Bryceville, Weirsdale,
Live Oak, Riverside, Hickox, Blackshear, Starke, Douglas, New River,
Ratliff, Palm Valley, Carraway, Doctortown, Moss Bluff, Burbank,
Andalusia, Waycross, Jacksonville, Ocala Airport, Espanola,
Gainesville Airport, Suwannee Springs, Lynne, High Springs,
Bakersville, Fernandina Beach, Folkston, Ponte Vedra Beach, Houston,
Pearson, Axson, Statenville, Green Cove Springs, Macclenny, Jesup,
Pine Grove, Butler Beach, Anthony, Middleburg, Bostwick, Orange Park,
White Springs, Newberry, Doctors Inlet, Winokur, Ortega, Needham, San
Marco, West Lake, Fruit Cove, Durbin, Suwannee River Station,
Hilliard, Lulu, Suwannee Valley, Lake City, Willacoochee, Hortense,
Olustee,
Columbia, Homeland, Ocala, Gainesville, St. George, Archer,
Lakeside, Saint Augustine South, Saint Augustine Shore, Blue Springs,
Race Pond, McAlpin, Bellair, Baxley, Saint Augustine Beach, Amelia
City, Plant Hatch, Tallyrand, Watertown, Atkinson, Oleno State Park,
Stephen Foster State Park, Winfield, Hazlehurst, Jennings, Normandy,
Needmore, Kings Ferry, Homerville, Nahunta, Raybon, and Palm Coast
757 PM EDT Thu Aug 13 2026

...HEAT ADVISORY WILL EXPIRE AT 8 PM EDT THIS EVENING...
...HEAT ADVISORY REMAINS IN EFFECT FROM 11 AM TO 8 PM EDT FRIDAY...

* WHAT...Heat index values up to 112 expected.

* WHERE...Portions of northeast and northern Florida and southeast
  Georgia.

* WHEN...From 11 AM to 8 PM EDT Friday.

* IMPACTS...Hot temperatures and high humidity may cause heat
  illnesses.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.

&&

$$

For more information, visit us at www.weather.gov/jax

AC