Alert archive / Florida / Heat Advisories / 2026
Heat Advisories in Florida, August 2026
68 heat advisories 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 heat advisories reaches back to 2005.
Heat Advisories by county
Each county as a circle sized by its count in August 2026. Tap one for its archive.
- Heat Advisories
- 68
- Busiest day
- August 11, 20267 heat advisories
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 1, 2:08 AM EDT | Heat Advisory | MFL | Broward, Miami-Dade | 16 hr |
| Aug 9, 1:15 AM EDT | Heat Advisory | MFL | Broward, Miami-Dade | 17 hr |
| Aug 10, 2:36 AM EDT | Heat Advisory | MLB | Martin, Okeechobee | 17 hr |
| Aug 10, 2:38 AM EDT | Heat Advisory | MFL | Broward, Collier, Miami-Dade, Palm Beach | 15 hr |
| Aug 11, 12:04 AM EDT | Heat Advisory | JAX | Alachua, Baker, Bradford, Clay, Columbia, Duval and 9 more | 19 hr |
| Aug 11, 12:13 AM EDT | Heat Advisory | MLB | Brevard, Indian River, Lake, Martin, Okeechobee, Orange and 4 more | 20 hr |
| Aug 11, 2:05 AM EDT | Heat Advisory | MFL | Broward, Collier, Glades, Hendry, Miami-Dade, Monroe and 1 more | 17 hr |
| Aug 11, 2:19 AM EDT | Heat Advisory | TAE | Bay, Calhoun, Dixie, Franklin, Gadsden, Gulf and 9 more | 17 hr |
| Aug 11, 2:28 AM EDT | Heat Advisory | TBW | Charlotte, Citrus, DeSoto, Hardee, Hernando, Highlands and 9 more | 17 hr |
| Aug 11, 12:44 PM EDT | Heat Advisory | JAX | Alachua, Baker, Bradford, Clay, Columbia, Duval and 9 more | 30 hr |
| Aug 11, 1:54 PM EDT | Heat Advisory | TAE | Bay, Calhoun, Dixie, Franklin, Gadsden, Gulf and 11 more | 29 hr |
| Aug 12, 12:28 AM EDT | Heat Advisory | MLB | Brevard, Indian River, Lake, Martin, Okeechobee, Orange and 4 more | 20 hr |
| Aug 12, 12:57 AM EDT | Heat Advisory | MFL | Broward, Collier, Glades, Hendry, Miami-Dade, Monroe and 1 more | 18 hr |
| Aug 12, 1:06 AM EDT | Heat Advisory | TBW | Charlotte, Citrus, DeSoto, Hardee, Hernando, Highlands and 9 more | 18 hr |
| Aug 12, 1:20 PM EDT | Heat Advisory | JAX | Alachua, Baker, Bradford, Clay, Columbia, Duval and 9 more | 31 hr |
| Aug 12, 1:32 PM EDT | Heat Advisory | TAE | Bay, Calhoun, Dixie, Franklin, Gadsden, Gulf and 11 more | 30 hr |
| Aug 12, 1:33 PM EDT | Heat Advisory | MOB | Escambia, Okaloosa, Santa Rosa | 31 hr |
| Aug 13, 12:49 AM EDT | Heat Advisory | TBW | Charlotte, Citrus, DeSoto, Hardee, Hernando, Highlands and 9 more | 18 hr |
| Aug 13, 1:04 AM EDT | Heat Advisory | MLB | Brevard, Indian River, Lake, Martin, Okeechobee, Orange and 4 more | 19 hr |
| Aug 13, 1:42 AM EDT | Heat Advisory | MFL | Broward, Collier, Glades, Hendry, Miami-Dade, Monroe and 1 more | 17 hr |
| Aug 13, 12:49 PM EDT | Heat Advisory | JAX | Alachua, Baker, Bradford, Clay, Columbia, Duval and 9 more | 31 hr |
| Aug 13, 1:23 PM EDT | Heat Advisory | TAE | Dixie, Holmes, Jackson, Lafayette, Madison, Taylor and 2 more | 31 hr |
| Aug 13, 1:36 PM EDT | Heat Advisory | MOB | Escambia, Okaloosa, Santa Rosa | 31 hr |
| Aug 14, 12:16 AM EDT | Heat Advisory | TBW | Charlotte, Citrus, DeSoto, Hardee, Hernando, Highlands and 9 more | 19 hr |
| Aug 14, 12:25 AM EDT | Heat Advisory | MLB | Brevard, Indian River, Lake, Martin, Okeechobee, Orange and 4 more | 20 hr |
| Aug 14, 1:04 AM EDT | Heat Advisory | MFL | Broward, Collier, Glades, Hendry, Miami-Dade, Monroe and 1 more | 18 hr |
| Aug 14, 12:14 PM EDT | Heat Advisory | JAX | Alachua, Baker, Bradford, Clay, Columbia, Duval and 9 more | 31 hr |
| Aug 14, 12:20 PM EDT | Heat Advisory | MOB | Escambia, Okaloosa, Santa Rosa | 33 hr |
| Aug 14, 12:38 PM EDT | Heat Advisory | TAE | Bay, Calhoun, Dixie, Franklin, Gadsden, Gulf and 11 more | 30 hr |
| Aug 15, 12:01 AM EDT | Heat Advisory | MLB | Brevard, Indian River, Lake, Martin, Okeechobee, Orange and 4 more | 20 hr |
| Aug 15, 12:03 AM EDT | Heat Advisory | TBW | Charlotte, Citrus, DeSoto, Hardee, Hernando, Highlands and 9 more | 19 hr |
| Aug 15, 12:16 AM EDT | Heat Advisory | MFL | Broward, Collier, Glades, Hendry, Miami-Dade, Monroe and 1 more | 19 hr |
| Aug 15, 11:49 AM EDT | Heat Advisory | JAX | Alachua, Baker, Bradford, Clay, Columbia, Duval and 9 more | 32 hr |
| Aug 15, 12:25 PM EDT | Heat Advisory | MOB | Escambia, Okaloosa, Santa Rosa | 33 hr |
| Aug 15, 1:07 PM EDT | Heat Advisory | TAE | Bay, Calhoun, Dixie, Franklin, Gadsden, Gulf and 11 more | 31 hr |
| Aug 16, 12:01 AM EDT | Heat Advisory | MLB | Brevard, Indian River, Lake, Martin, Okeechobee, Orange and 4 more | 20 hr |
| Aug 16, 12:11 AM EDT | Heat Advisory | MFL | Broward, Collier, Glades, Hendry, Miami-Dade, Monroe and 1 more | 19 hr |
| Aug 16, 12:30 AM EDT | Heat Advisory | TBW | Charlotte, Citrus, DeSoto, Hardee, Hernando, Highlands and 9 more | 19 hr |
| Aug 16, 11:56 AM EDT | Heat Advisory | JAX | Alachua, Baker, Bradford, Clay, Columbia, Duval and 9 more | 32 hr |
| Aug 16, 12:03 PM EDT | Heat Advisory | TAE | Dixie, Holmes, Jackson, Jefferson, Lafayette, Madison and 3 more | 32 hr |
| Aug 16, 12:09 PM EDT | Heat Advisory | MOB | Escambia, Okaloosa, Santa Rosa | 33 hr |
| Aug 17, 12:10 AM EDT | Heat Advisory | MLB | Brevard, Indian River, Lake, Martin, Okeechobee, Orange and 4 more | 20 hr |
| Aug 17, 12:14 AM EDT | Heat Advisory | MFL | Broward, Collier, Glades, Hendry, Miami-Dade, Monroe and 1 more | 19 hr |
| Aug 17, 12:40 AM EDT | Heat Advisory | TBW | Charlotte, Citrus, DeSoto, Hardee, Hernando, Highlands and 9 more | 18 hr |
| Aug 17, 12:48 PM EDT | Heat Advisory | MOB | Escambia, Okaloosa, Santa Rosa | 32 hr |
| Aug 17, 1:40 PM EDT | Heat Advisory | TAE | Walton | 30 hr |
| Aug 18, 12:28 AM EDT | Heat Advisory | MFL | Broward, Collier, Glades, Hendry, Miami-Dade, Monroe and 1 more | 19 hr |
| Aug 18, 12:38 AM EDT | Heat Advisory | MLB | Brevard, Indian River, Lake, Martin, Okeechobee, Orange and 4 more | 19 hr |
| Aug 18, 12:52 AM EDT | Heat Advisory | TBW | Charlotte, Citrus, DeSoto, Hardee, Hernando, Highlands and 9 more | 18 hr |
| Aug 18, 12:32 PM EDT | Heat Advisory | JAX | Alachua, Baker, Bradford, Clay, Columbia, Duval and 9 more | 31 hr |
| Aug 18, 12:44 PM EDT | Heat Advisory | MOB | Escambia, Okaloosa, Santa Rosa | 32 hr |
| Aug 18, 1:49 PM EDT | Heat Advisory | TAE | Bay, Calhoun, Dixie, Franklin, Gadsden, Gulf and 11 more | 30 hr |
| Aug 19, 12:10 AM EDT | Heat Advisory | MLB | Brevard, Indian River, Lake, Martin, Okeechobee, Orange and 4 more | 20 hr |
| Aug 19, 12:14 AM EDT | Heat Advisory | MFL | Broward, Collier, Glades, Hendry, Miami-Dade, Monroe and 1 more | 19 hr |
| Aug 19, 12:32 AM EDT | Heat Advisory | TBW | Charlotte, Citrus, DeSoto, Hardee, Hernando, Highlands and 9 more | 18 hr |
| Aug 19, 2:00 PM EDT | Heat Advisory | MOB | Escambia, Okaloosa, Santa Rosa | 31 hr |
| Aug 19, 2:20 PM EDT | Heat Advisory | JAX | Alachua, Baker, Bradford, Clay, Columbia, Duval and 9 more | 29 hr |
| Aug 19, 3:17 PM EDT | Heat Advisory | TAE | Bay, Calhoun, Dixie, Franklin, Gadsden, Gulf and 11 more | 11 hr |
| Aug 20, 12:09 AM EDT | Heat Advisory | TBW | Charlotte, Citrus, DeSoto, Hardee, Hernando, Highlands and 9 more | 19 hr |
| Aug 20, 12:38 AM EDT | Heat Advisory | MLB | Brevard, Indian River, Lake, Martin, Okeechobee, Orange and 4 more | 18 hr |
| Aug 20, 1:08 AM EDT | Heat Advisory | MFL | Broward, Collier, Glades, Hendry, Miami-Dade, Monroe and 1 more | 17 hr |
| Aug 20, 2:36 AM EDT | Heat Advisory | TAE | Bay, Calhoun, Dixie, Franklin, Gadsden, Gulf and 11 more | 17 hr |
| Aug 20, 12:21 PM EDT | Heat Advisory | MOB | Escambia, Okaloosa, Santa Rosa | 33 hr |
| Aug 20, 12:30 PM EDT | Heat Advisory | JAX | Alachua, Baker, Bradford, Clay, Columbia, Duval and 8 more | 25 hr |
| Aug 20, 2:21 PM EDT | Heat Advisory | TAE | Bay, Calhoun, Dixie, Franklin, Gadsden, Gulf and 11 more | 30 hr |
| Aug 21, 1:15 AM EDT | Heat Advisory | MFL | Broward, Miami-Dade | 17 hr |
| Aug 23, 1:07 AM EDT | Heat Advisory | TAE | Bay, Calhoun, Franklin, Gulf, Jefferson, Liberty and 1 more | 18 hr |
| Aug 24, 2:03 AM EDT | Heat Advisory | TAE | Bay, Calhoun, Franklin, Gadsden, Gulf, Liberty and 1 more | 17 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Broward County14
- Miami-Dade County14
- Martin County11
- Okeechobee County11
- Collier County11
- Palm Beach County11
- Bay County11
- Calhoun County11
- Dixie County11
- Franklin County11
- Gulf County11
- Jackson County11
- Jefferson County11
- Lafayette County11
- Liberty County11
- Madison County11
- Taylor County11
- Wakulla County11
- Washington County11
- Walton County11
- Alachua County10
- Baker County10
- Bradford County10
- Clay County10
- Columbia County10
- Duval County10
- Flagler County10
- Gilchrist County10
- Hamilton County10
- Nassau County10
- Putnam County10
- Saint Johns County10
- Suwannee County10
- Union County10
- Brevard County10
- Indian River County10
- Lake County10
- Orange County10
- Osceola County10
- Saint Lucie County10
27 more counties
- Seminole County10
- Volusia County10
- Glades County10
- Hendry County10
- Monroe County10
- Gadsden County10
- Charlotte County10
- Citrus County10
- DeSoto County10
- Hardee County10
- Hernando County10
- Highlands County10
- Hillsborough County10
- Lee County10
- Levy County10
- Manatee County10
- Pasco County10
- Pinellas County10
- Polk County10
- Sarasota County10
- Sumter County10
- Holmes County10
- Marion County9
- Leon County9
- Escambia County9
- Okaloosa County9
- Santa Rosa County9
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.