Back to Home
Heat Advisory — Suwannee, FL, Baker, FL, Inland Nassau, FL, Union, FL, Bradford, FL, Gilchrist, FL, Inland Flagler, FL, Eastern Hamilton, FL, Coastal Nassau, FL, Coastal Duval, FL, Eastern Clay, FL, Eastern Alachua, FL, Eastern Putnam, FL, Coastal Flagler, FL, Eastern Marion, FL, Western Hamilton, FL, Trout River, FL, Western Clay, FL, Northeast Coastal St. Johns, FL, Western Alachua, FL, Western Putnam, FL, Central Marion, FL, Northern Columbia, FL, South Central Duval, FL, Southeast Coastal St. Johns, FL, Western Marion, FL, Southeastern Columbia, FL, Western Duval, FL, Northern Inland St. Johns, FL, Southwestern Columbia, FL, Southern Inland St. Johns, FL, Western St. Johns, FL, Coffee, GA, Jeff Davis, GA, Bacon, GA, Appling, GA, Wayne, GA, Atkinson, GA, Pierce, GA, Brantley, GA, Echols, GA, Clinch, GA, Northern Ware, GA, Northeastern Charlton, GA, Southern Ware, GA, Western Charlton, GA
Issued
10:00 AM CDT · Mon, Aug 17 2026
Expires
7:00 PM CDT · Mon, Aug 17 2026
Issuing Office
NWS KJAX

Affected Areas

Suwannee, FL Baker, FL Inland Nassau, FL Union, FL Bradford, FL Gilchrist, FL Inland Flagler, FL Eastern Hamilton, FL Coastal Nassau, FL Coastal Duval, FL Eastern Clay, FL Eastern Alachua, FL Eastern Putnam, FL Coastal Flagler, FL Eastern Marion, FL Western Hamilton, FL Trout River, FL Western Clay, FL Northeast Coastal St. Johns, FL Western Alachua, FL Western Putnam, FL Central Marion, FL Northern Columbia, FL South Central Duval, FL Southeast Coastal St. Johns, FL Western Marion, FL Southeastern Columbia, FL Western Duval, FL Northern Inland St. Johns, FL Southwestern Columbia, FL Southern Inland St. Johns, FL Western St. Johns, FL Coffee, GA Jeff Davis, GA Bacon, GA Appling, GA Wayne, GA Atkinson, GA Pierce, GA Brantley, GA Echols, GA Clinch, GA Northern Ware, GA Northeastern Charlton, GA Southern Ware, GA Western Charlton, GA

Official Bulletin

* 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.

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.