Extreme Heat Warning
Status
Event Continued Active alertStart Time
Tue 08/18/2026 11:00 AM EDTEnd Time
Tue 08/18/2026 08:00 PM EDTSignificance
WarningImpacts
High impact
Locations Affected
Tallahassee, FL ∙ Valdosta, GA ∙ Laguna Beach, FL ∙ Compass Lake, FL ∙ Saint George Island, FL ∙ Saint Marks, FL ∙ Jena, FL ∙ Barwick, GA ∙ Chipley, FL ∙ Capps, FLFull Alert Message
URGENT - WEATHER MESSAGE National Weather Service Tallahassee FL 238 AM EDT Tue Aug 18 2026 ...EXTREME HEAT WARNING REMAINS IN EFFECT FROM 11 AM EDT /10 AM CDT/ THIS MORNING TO 8 PM EDT /7 PM CDT/ THIS EVENING... * WHAT...Dangerously hot conditions with heat index values up to 115 expected. * WHERE...Portions of Big Bend and Panhandle Florida and south central and southwest Georgia. * WHEN...From 11 AM EDT /10 AM CDT/ this morning to 8 PM EDT /7 PM CDT/ this evening. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. Stay cool, stay hydrated, stay informed.
Technical Header
FLZ008>019-027>029-034-108-112-114-115-118-127-128-134-326-426- GAZ155>160-190000- /O.CON.KTAE.XH.W.0005.260818T1500Z-260819T0000Z/ Central Walton-Holmes-Washington-Jackson-Inland Bay-Calhoun- Inland Gulf-Inland Franklin-Gadsden-Leon-Inland Jefferson-Madison- Inland Wakulla-Inland Taylor-Lafayette-Inland Dixie-South Walton- Coastal Bay-Coastal Gulf-Coastal Franklin-Coastal Jefferson- Coastal Wakulla-Coastal Taylor-Coastal Dixie-Northern Liberty- Southern Liberty-Seminole-Decatur-Grady-Thomas-Brooks-Lowndes- Including the cities of Graceville, Lovett, Cherry Lake, Festus, Blue Springs, Nankin, Athena, Quitman, Browntown, Shired Island, White City, Quincy, Fish Creek, Carbur, Fairchild, Drifton, Horseshoe Beach, Chaires, Central City, Youngstown, Midway, Bennett, Lynn Haven, Buckville, Eucheeanna, Malone, Old Town, Crystal Lake, Beacon Hill, Fort Gadsden, Quincy Airport, Simsville, Vilas, Sumatra, Moncrief, Pine Park, Vicksburg, Riverturn, Buck Siding, Capitola, Adams Beach, Boyd, Five Points, Bonifay, Bradfordville, Decatur Co A/P, Econfina, Grooverville, Marianna, Brooks Co A/P, Sneads, Creels, Morgan Place, Cross City, Dillon, Bay City, Dills, Port St. Joe, Maclay State Gardens, Clarksville, Perry, Saint Marks, Tallahassee, Seminole State Park, Orange Hill, Kern, Elpino, Monticello, Hilliardville, Beverly, Point Washington, Apalachicola Airport, Capel, Cooks Hammock, Dekle Beach, Sopchoppy, Little Hope, Cross City Airport, Callaway, Littman, Overstreet, Odena, Santa Clara, Howard Creek, Bunker, Apalachicola, Richter Crossroads, Madison, Pinetta, Turquoise Beach, Tilton, Killearn Estates, Wilma, Donaldsonville A/P, Day, Casa Blanco, Cedar Island, Scotts Ferry, Barker Store, Wetumpka, Southport, Steinham Store, Bainbridge, Nixon, Howell Place, Twin Pole, Davis Park, Cairo, Hays Place, Panama City, Blountstown, Medart, Saint Joe Beach, Santa Rosa Beach, Dixie, Frink, Hanson, Panacea, Donalsonville, Honeyville, Suwannee, Alma, Beachton, Hardin Heights, Holmes County Airport, Wewahitchka, Pasco, Chipley Municipal Airport, Freeport, New Hope, Fenholloway, Portland, Buckhorn, Lynn, Valdosta Regional Airport, Empress, Poplar Head, Ausmac, Marysville, High Bluff, Sandestin, Bethel, Oak Grove, Cobb Crossroads, Sweetwater, Grady Co A/P, Pleasant Ridge, Chaires Crossroads, Cabbage Grove, Yellow Jacket, Mayo, Abe Springs, Hopewell, Valdosta, Hanover, Jonesboro, Chattahoochee, Metcalf, West Bainbridge, Capps, Killearn Lakes, Jena, Leonia, Durham, Hines, Lewis, Jarrott, Magnolia Beach, Chipley, Bucell Junction, Port Leon, Thomasville, Wakulla Springs, and Dalkeith 238 AM EDT Tue Aug 18 2026 /138 AM CDT Tue Aug 18 2026/
