Extreme Heat Warnings in Tennessee
21 extreme heat warnings since 1986. 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 since 1986. Tap one for its archive.
- Extreme Heat Warnings
- 21
- Busiest year
- 202511 extreme heat warnings
- Average year
- 11over 2 years on file
Over time
By year
Before late 2005 the archive holds only tornado, severe thunderstorm, flash flood and marine warnings, and from 1997 SPC's watches, so the jump that year is the archive widening, not the weather.
By month of the year
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Lauderdale County14
- Dyer County13
- Lake County13
- Obion County13
- Shelby County13
- Tipton County13
- Carroll County11
- Crockett County11
- Fayette County11
- Gibson County11
- Haywood County11
- Henry County11
- Madison County11
- Weakley County11
- Benton County9
- Hardeman County8
- Chester County7
- Henderson County7
- Decatur County6
- Hardin County6
- McNairy County6
- Dickson County4
- Hickman County4
- Houston County4
- Humphreys County4
- Lawrence County4
- Lewis County4
- Montgomery County4
- Perry County4
- Stewart County4
- Wayne County4
- Bedford County3
- Cheatham County3
- Davidson County3
- Giles County3
- Marshall County3
- Maury County3
- Robertson County3
- Rutherford County3
- Sumner County3
The latest extreme heat warnings
The most recent on file, newest first.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 18, 11:41 AM CDT | Extreme Heat Warning | MEG | Shelby, Tipton | 32 hr |
| Aug 16, 7:58 PM CDT | Extreme Heat Warning | MEG | Fayette, Lauderdale, Shelby, Tipton | 24 hr |
| Aug 14, 10:49 AM CDT | Extreme Heat Warning | OHX | Bedford, Cannon, Cheatham, Davidson, DeKalb, Dickson and 19 more | 56 hr |
| Aug 12, 4:06 AM CDT | Extreme Heat Warning | MEG | Benton, Carroll, Chester, Crockett, Decatur, Dyer and 15 more | 5 days |
| Jul 26, 10:32 PM CDT | Extreme Heat Warning | OHX | Dickson, Hickman, Houston, Humphreys, Lawrence, Lewis and 4 more | 45 hr |
| Jul 25, 11:17 AM CDT | Extreme Heat Warning | MEG | Benton, Carroll, Chester, Crockett, Decatur, Dyer and 15 more | 3 days |
| Jul 19, 11:47 AM CDT | Extreme Heat Warning | MEG | Carroll, Crockett, Dyer, Fayette, Gibson, Hardeman and 9 more | 57 hr |
| Jul 1, 12:48 PM CDT | Extreme Heat Warning | MEG | Benton, Carroll, Chester, Crockett, Decatur, Dyer and 15 more | 31 hr |
| Jun 30, 11:21 AM CDT | Extreme Heat Warning | HUN | Franklin, Lincoln, Moore | 56 hr |
| Jun 28, 11:51 AM CDT | Extreme Heat Warning | OHX | Bedford, Cannon, Cheatham, Clay, Davidson, DeKalb and 23 more | 5 days |
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.