Alert archive / Florida / Extreme Heat Warnings / 2026
Extreme Heat Warnings in Florida, August 2026
6 extreme heat warnings in August 2026. An alert counts here when it covered any part of the state, so the counties below add up to more than the state. The archive of extreme heat warnings reaches back to 2005.
Extreme Heat Warnings by county
Each county as a circle sized by its count in August 2026. Tap one for its archive.
- Extreme Heat Warnings
- 6
- Busiest day
- August 17, 20263 extreme heat warnings
Over time
By day
Days in UTC, the clock the archive keeps.
The alerts
Every alert, in the order issued. Times are local, Eastern Time. Each opens its own page with the text, the map, the radar and the sounding.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 13, 1:23 PM EDT | Extreme Heat Warning | TAE | Bay, Calhoun, Franklin, Gadsden, Gulf, Jefferson and 3 more | 31 hr |
| Aug 16, 12:03 PM EDT | Extreme Heat Warning | TAE | Bay, Calhoun, Franklin, Gadsden, Gulf, Jefferson and 4 more | 32 hr |
| Aug 17, 12:33 PM EDT | Extreme Heat Warning | JAX | Alachua, Baker, Bradford, Clay, Columbia, Duval and 9 more | 31 hr |
| Aug 17, 12:48 PM EDT | Extreme Heat Warning | MOB | Escambia, Okaloosa, Santa Rosa | 32 hr |
| Aug 17, 1:40 PM EDT | Extreme Heat Warning | TAE | Bay, Calhoun, Dixie, Franklin, Gadsden, Gulf and 11 more | 30 hr |
| Aug 19, 11:45 AM EDT | Extreme Heat Warning | MFL | Broward, Miami-Dade | 7 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Bay County3
- Calhoun County3
- Franklin County3
- Gadsden County3
- Gulf County3
- Jefferson County3
- Leon County3
- Liberty County3
- Wakulla County3
- Walton County2
- Alachua County1
- Baker County1
- Bradford County1
- Clay County1
- Columbia County1
- Duval County1
- Flagler County1
- Gilchrist County1
- Hamilton County1
- Marion County1
- Nassau County1
- Putnam County1
- Saint Johns County1
- Suwannee County1
- Union County1
- Escambia County1
- Okaloosa County1
- Santa Rosa County1
- Dixie County1
- Holmes County1
- Jackson County1
- Lafayette County1
- Madison County1
- Taylor County1
- Washington County1
- Broward County1
- Miami-Dade County1
Nearby
Sources
National Weather Service watches, warnings, advisories and statements from the Iowa Environmental Mesonet's VTEC archive, which reconstructs tornado, severe thunderstorm, flash flood and marine warnings back to 1986 from the NWS text archive. Storm Prediction Center watches and mesoscale discussions from SPC's archive through the Mesonet. County centers from the US Census Bureau. Warning verification from the Mesonet's Cow. Rebuilt daily.