####018004811####
WWUS72 KJAX 150402

NPWJAX



URGENT - WEATHER MESSAGE

National Weather Service Jacksonville FL

1202 AM EDT Sat Aug 15 2026



GAZ152>154-165-166-160000-

/O.UPG.KJAX.HT.Y.0020.260815T1500Z-260816T0000Z/

/O.NEW.KJAX.XH.W.0004.260815T1500Z-260816T0000Z/

Brantley-Inland Glynn-Coastal Glynn-Inland Camden-Coastal Camden-

Including the cities of Raybon, Hickox, Colesburg, Waynesville,

Hortense, Dungeness, Kingsland, Country Club Estate, Nahunta,

Atkinson, Glynn Haven, St. Simons, Thalmann, Woodbine, Dover

Bluff, Hoboken, Dock Junction, Sea Island, Tarboro, Jekyll Island,

and Waverly

1202 AM EDT Sat Aug 15 2026



...EXTREME HEAT WARNING IN EFFECT FROM 11 AM THIS MORNING TO 8 PM EDT

THIS EVENING...



* WHAT...Dangerously hot conditions with heat index values up to 115

  expected.



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

  Inland Glynn Counties.



* WHEN...From 11 AM this morning to 8 PM EDT this evening.



* IMPACTS...Heat related illnesses increase significantly during

  extreme heat and high humidity events.



PRECAUTIONARY/PREPAREDNESS ACTIONS...



Drink plenty of fluids, stay in an air-conditioned room, stay out of

the sun, and check up on relatives and neighbors.



Do not leave young children and pets in unattended vehicles. Car

interiors will reach lethal temperatures in a matter of minutes.



Take extra precautions when outside. Wear lightweight and loose

fitting clothing. Try to limit strenuous activities to early morning

or evening. Take action when you see symptoms of heat exhaustion and

heat stroke.



Stay cool, stay hydrated, stay informed.



&&



$$



FLZ021-023-024-030-031-035-038-120-124-125-132-136>138-140-220-225-

232-233-236-237-240-322-325-333-340-422-425-433-522-533-633-

GAZ132>136-149-151-162-163-250-264-350-364-160000-

/O.CON.KJAX.HT.Y.0020.260815T1500Z-260816T0000Z/

Suwannee-Baker-Inland Nassau-Union-Bradford-Gilchrist-Inland

Flagler-Eastern Hamilton-Coastal Nassau-Coastal Duval-Eastern

Clay-Eastern Alachua-Eastern Putnam-Coastal Flagler-Eastern

Marion-Western Hamilton-Trout River-Western Clay-Northeast

Coastal St. Johns-Western Alachua-Western Putnam-Central Marion-

Northern Columbia-South Central Duval-Southeast Coastal St. Johns-

Western Marion-Southeastern Columbia-Western Duval-Northern

Inland St. Johns-Southwestern Columbia-Southern Inland St. Johns-

Western St. Johns-Coffee-Jeff Davis-Bacon-Appling-Wayne-Atkinson-

Pierce-Echols-Clinch-Northern Ware-Northeastern Charlton-Southern

Ware-Western Charlton-

Including the cities of Saint Augustine Shore, Winokur, Doctors

Inlet, San Marco, Andalusia, Doctortown, Blue Springs, Palatka,

Bunnell, St. George, Oceanway, Suwannee Valley, Fernandina Beach,

Orange Park, Bellair, Durbin, Butler Beach, Yulee, Oleno State Park,

Picolata, Suwannee River Station, Ortega, Anthony, Belmont, Trenton,

Pearson, Starke, Ratliff, Lakeside, Needham, Ocala Airport,

Statenville, Baxley, Houston, Bostwick, Palm Valley, Homerville,

Kings Ferry, Douglas, Palm Coast, Folkston, New River, Newburn, Live

Oak, Ponte Vedra Beach, High Springs, Lynne, Olustee, Jennings,

Hilliard, Jasper, Newnans Lake, Willacoochee, Blackshear, Alma,

Espanola, Anastasia, Amelia City, Gainesville, Bryceville, Suwannee

Springs, Columbia, Homeland, Saint Augustine, Riverside, Hazlehurst,

Switzerland, New Lacy, Saint Augustine South, Macclenny, Green Cove

Springs, Gainesville Airport, Tallyrand, Burbank, Fruit Cove, Lulu,

Gardi, Jacksonville, Pine Grove, Newberry, Needmore, Jesup, Carraway,

Waycross, Race Pond, White Springs, Lake Butler, Lake City, West

Lake, Bakersville, Axson, Dupont Center, Saint Augustine Beach,

Arlington, Middleburg, Plant Hatch, Normandy, Watertown, Ocala,

Stephen Foster State Park, McAlpin, Weirsdale, Moss Bluff, Archer,

and Winfield

1202 AM EDT Sat Aug 15 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...Portions of northeast and northern Florida and southeast

  Georgia.



* WHEN...From 11 AM this morning to 8 PM EDT this evening.



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

  illnesses.



PRECAUTIONARY/PREPAREDNESS ACTIONS...



Drink plenty of fluids, stay in an air-conditioned room, stay out of

the sun, and check up on relatives and neighbors.



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.



&&



$$



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



NELSON