Alert archive / Florida / Extreme Heat Warnings

Extreme Heat Warnings in Florida, 2026

11 extreme heat warnings in 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 2026. Tap one for its archive.

Extreme Heat Warnings
11
Busiest month
August6 extreme heat warnings
Busiest day
August 17, 20263 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.

IssuedProductOfficeCountiesLasted
Jul 27, 12:44 PM EDTExtreme Heat WarningMOBEscambia, Okaloosa, Santa Rosa33 hr
Jul 27, 4:33 PM EDTExtreme Heat WarningTAEBay, Calhoun, Franklin, Gulf, Liberty, Walton and 1 more27 hr
Jul 28, 1:57 PM EDTExtreme Heat WarningMOBEscambia, Okaloosa, Santa Rosa32 hr
Jul 28, 11:27 PM EDTExtreme Heat WarningJAXAlachua, Baker, Bradford, Clay, Columbia, Duval and 7 more21 hr
Jul 29, 12:31 AM EDTExtreme Heat WarningTAEBay, Calhoun, Dixie, Franklin, Gadsden, Gulf and 10 more19 hr
Aug 13, 1:23 PM EDTExtreme Heat WarningTAEBay, Calhoun, Franklin, Gadsden, Gulf, Jefferson and 3 more31 hr
Aug 16, 12:03 PM EDTExtreme Heat WarningTAEBay, Calhoun, Franklin, Gadsden, Gulf, Jefferson and 4 more32 hr
Aug 17, 12:33 PM EDTExtreme Heat WarningJAXAlachua, Baker, Bradford, Clay, Columbia, Duval and 9 more31 hr
Aug 17, 12:48 PM EDTExtreme Heat WarningMOBEscambia, Okaloosa, Santa Rosa32 hr
Aug 17, 1:40 PM EDTExtreme Heat WarningTAEBay, Calhoun, Dixie, Franklin, Gadsden, Gulf and 11 more30 hr
Aug 19, 11:45 AM EDTExtreme Heat WarningMFLBroward, Miami-Dade7 hr

By county

Every county with at least one alert. A county page lists each alert that covered it.

The busiest days

Days with the most alerts issued, by UTC date.

Nearby

Alerts in force nowTornadoes on recordThe radar archive2025

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.