Alert archive / Florida / Extreme Heat Warnings
Extreme Heat Warnings in Florida, 2025
4 extreme heat warnings in 2025. 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 2025. Tap one for its archive.
- Extreme Heat Warnings
- 4
- Busiest month
- July4 extreme heat warnings
- Busiest day
- July 29, 20253 extreme heat warnings
Over time
By month
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 |
|---|---|---|---|---|
| Jul 27, 1:25 PM EDT | Extreme Heat Warning | JAX | Baker, Clay, Columbia, Duval, Flagler, Hamilton and 3 more | 31 hr |
| Jul 29, 1:05 AM EDT | Extreme Heat Warning | MLB | Lake, Orange, Osceola, Seminole, Volusia | 18 hr |
| Jul 29, 1:20 AM EDT | Extreme Heat Warning | JAX | Alachua, Baker, Bradford, Clay, Columbia, Duval and 9 more | 18 hr |
| Jul 29, 1:45 AM EDT | Extreme Heat Warning | TBW | Citrus, Hernando, Hillsborough, Levy, Pasco, Pinellas and 2 more | 17 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Baker County2
- Clay County2
- Columbia County2
- Duval County2
- Flagler County2
- Hamilton County2
- Nassau County2
- Putnam County2
- Saint Johns County2
- Lake County1
- Orange County1
- Osceola County1
- Seminole County1
- Volusia County1
- Alachua County1
- Bradford County1
- Gilchrist County1
- Marion County1
- Suwannee County1
- Union County1
- Citrus County1
- Hernando County1
- Hillsborough County1
- Levy County1
- Pasco County1
- Pinellas County1
- Polk County1
- Sumter County1
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive20242026
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.