Florida, Georgia Moderate Heat Advisory | Effective 08/15/2026 08:49

Headline: 
Heat Advisory issued August 15 at 11:49AM EDT until August 16 at 8:00PM EDT by NWS Jacksonville FL
Event: 
Heat Advisory
Urgency: 
Expected
Effective: 
August 15, 2026 - 8:49am
Expires: 
August 15, 2026 - 5:00pm
Description: 
* WHAT...For the first Heat Advisory, heat index values up to 110. For the second Heat Advisory, heat index values up to 110 expected. * WHERE...Portions of northeast and northern Florida and southeast Georgia. * WHEN...For the first Heat Advisory, until 8 PM EDT this evening. For the second Heat Advisory, from 11 AM to 8 PM EDT Sunday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses.
Instruction: 
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.
Area Description: 
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
Forcast Office: 
NWS Jacksonville FL
Sender: 
w-nws.webmaster@noaa.gov