Extreme Heat Warnings in Missouri
45 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
- 45
- Busiest year
- 202626 extreme heat warnings
- Average year
- 23over 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.
- Dunklin County13
- Pemiscot County13
- Bates County8
- Cass County8
- Clay County8
- Jackson County8
- Platte County8
- Bollinger County7
- Butler County7
- Cape Girardeau County7
- Carroll County7
- Carter County7
- Cooper County7
- Henry County7
- Howard County7
- Johnson County7
- Lafayette County7
- Mississippi County7
- New Madrid County7
- Perry County7
- Pettis County7
- Ray County7
- Ripley County7
- Saline County7
- Scott County7
- Stoddard County7
- Wayne County7
- Chariton County6
- Jefferson County6
- Oregon County6
- Randolph County6
- Saint Charles County6
- Saint Louis County6
- Shannon County6
- City of Saint Louis6
- Barry County5
- Boone County5
- Callaway County5
- Christian County5
- Cole County5
75 more counties
- Crawford County5
- Douglas County5
- Franklin County5
- Gasconade County5
- Howell County5
- Iron County5
- Jasper County5
- McDonald County5
- Madison County5
- Moniteau County5
- Montgomery County5
- Newton County5
- Osage County5
- Ozark County5
- Reynolds County5
- Sainte Genevieve County5
- Saint Francois County5
- Stone County5
- Taney County5
- Warren County5
- Washington County5
- Andrew County4
- Atchison County4
- Audrain County4
- Barton County4
- Benton County4
- Camden County4
- Cedar County4
- Clark County4
- Dade County4
- Dallas County4
- Dent County4
- Gentry County4
- Greene County4
- Hickory County4
- Holt County4
- Laclede County4
- Lawrence County4
- Lincoln County4
- Maries County4
- Miller County4
- Morgan County4
- Nodaway County4
- Phelps County4
- Polk County4
- Pulaski County4
- St. Clair County4
- Scotland County4
- Texas County4
- Vernon County4
- Webster County4
- Worth County4
- Wright County4
- Buchanan County4
- Caldwell County4
- Clinton County4
- Adair County3
- Daviess County3
- DeKalb County3
- Grundy County3
- Harrison County3
- Knox County3
- Lewis County3
- Linn County3
- Livingston County3
- Macon County3
- Marion County3
- Mercer County3
- Monroe County3
- Pike County3
- Putnam County3
- Ralls County3
- Schuyler County3
- Shelby County3
- Sullivan County3
The latest extreme heat warnings
The most recent on file, newest first.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 6, 7:55 PM CDT | Extreme Heat Warning | EAX | Bates, Cass, Clay, Jackson, Platte | 48 hr |
| Sep 5, 7:54 PM CDT | Extreme Heat Warning | EAX | Bates, Buchanan, Caldwell, Carroll, Cass, Clay and 11 more | 24 hr |
| Sep 4, 1:30 PM CDT | Extreme Heat Warning | SGF | Barry, Barton, Benton, Camden, Cedar, Christian and 28 more | 4 days |
| Sep 3, 11:30 AM CDT | Extreme Heat Warning | EAX | Adair, Andrew, Atchison, Bates, Buchanan, Caldwell and 31 more | 57 hr |
| Sep 3, 12:12 AM CDT | Extreme Heat Warning | LSX | Audrain, Boone, Callaway, Cole, Crawford, Franklin and 23 more | 68 hr |
| Sep 2, 2:02 AM CDT | Extreme Heat Warning | DVN | Clark, Scotland | 4 days |
| Sep 1, 11:46 AM CDT | Extreme Heat Warning | PAH | Bollinger, Butler, Cape Girardeau, Carter, Mississippi, New Madrid and 5 more | 4 days |
| Aug 12, 4:06 AM CDT | Extreme Heat Warning | MEG | Dunklin, Pemiscot | 5 days |
| Aug 10, 12:50 AM CDT | Extreme Heat Warning | PAH | Bollinger, Butler, Cape Girardeau, Carter, Mississippi, New Madrid and 5 more | 7 days |
| Aug 9, 1:05 AM CDT | Extreme Heat Warning | LSX | Boone, Callaway, Cole, Crawford, Franklin, Gasconade and 14 more | 8 days |
| Aug 9, 1:04 AM CDT | Extreme Heat Warning | SGF | Barry, Barton, Benton, Camden, Cedar, Christian and 28 more | 8 days |
| Aug 9, 12:59 AM CDT | Extreme Heat Warning | EAX | Bates, Carroll, Cass, Chariton, Clay, Cooper and 10 more | 7 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.