Alert archive / Missouri / Severe Thunderstorm Warnings / 2026
Severe Thunderstorm Warnings in Missouri, September 2026
71 severe thunderstorm warnings in September 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 severe thunderstorm warnings reaches back to 1986.
Severe Thunderstorm Warnings by county
Each county as a circle sized by its count in September 2026. Tap one for its archive.
- Severe Thunderstorm Warnings
- 71
- Busiest day
- September 7, 202614 severe thunderstorm warnings
Over time
By day
Days in UTC, the clock the archive keeps.
The alerts
Every alert, in the order issued. Times are local, Central Time. Each opens its own page with the text, the map, the radar and the sounding.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 5, 5:10 PM CDT | Severe Thunderstorm Warning | LSX | Saint Francois | 35 min |
| Sep 6, 1:09 PM CDT | Severe Thunderstorm Warning | SGF | Howell, Texas | 36 min |
| Sep 6, 5:03 PM CDT | Severe Thunderstorm Warning | EAX | Gentry, Nodaway, Worth | 42 min |
| Sep 6, 5:19 PM CDT | Severe Thunderstorm Warning | EAX | Caldwell, Clinton, Ray | 41 min |
| Sep 6, 5:28 PM CDT | Severe Thunderstorm Warning | EAX | Gentry, Harrison, Worth | 23 min |
| Sep 6, 5:51 PM CDT | Severe Thunderstorm Warning | SGF | Dade, Greene, Polk | 24 min |
| Sep 6, 6:28 PM CDT | Severe Thunderstorm Warning | EAX | Daviess, DeKalb, Gentry, Grundy, Harrison | 47 min |
| Sep 6, 6:45 PM CDT | Severe Thunderstorm Warning | EAX | Platte | 16 min |
| Sep 6, 6:56 PM CDT | Severe Thunderstorm Warning | EAX | Caldwell, Daviess, Livingston | 49 min |
| Sep 6, 6:59 PM CDT | Severe Thunderstorm Warning | EAX | Platte | 46 min |
| Sep 6, 7:22 PM CDT | Severe Thunderstorm Warning | EAX | Platte | 23 min |
| Sep 6, 7:40 PM CDT | Severe Thunderstorm Warning | SGF | Cedar, St. Clair, Vernon | 50 min |
| Sep 6, 7:55 PM CDT | Severe Thunderstorm Warning | EAX | Andrew, Buchanan, Clinton, DeKalb | 50 min |
| Sep 6, 8:08 PM CDT | Severe Thunderstorm Warning | EAX | Cass, Clay, Jackson | 52 min |
| Sep 6, 8:17 PM CDT | Severe Thunderstorm Warning | EAX | Buchanan, Clay, Clinton, Platte | 29 min |
| Sep 6, 8:21 PM CDT | Severe Thunderstorm Warning | SGF | Cedar, Vernon | 39 min |
| Sep 6, 8:43 PM CDT | Severe Thunderstorm Warning | EAX | Caldwell, Clay, Clinton, Jackson, Ray | 47 min |
| Sep 6, 8:46 PM CDT | Severe Thunderstorm Warning | SGF | St. Clair | 44 min |
| Sep 6, 8:56 PM CDT | Severe Thunderstorm Warning | EAX | Bates, Henry | 34 min |
| Sep 6, 9:05 PM CDT | Severe Thunderstorm Warning | EAX | Cass | 40 min |
| Sep 6, 9:26 PM CDT | Severe Thunderstorm Warning | EAX | Cass | 49 min |
| Sep 6, 10:07 PM CDT | Severe Thunderstorm Warning | EAX | Bates | 23 min |
| Sep 6, 10:24 PM CDT | Severe Thunderstorm Warning | EAX | Bates, Cass | 22 min |
| Sep 6, 11:29 PM CDT | Severe Thunderstorm Warning | EAX | Bates, Henry | 20 min |
| Sep 9, 5:26 PM CDT | Severe Thunderstorm Warning | EAX | Cass, Jackson, Johnson, Lafayette | 34 min |
| Sep 9, 5:34 PM CDT | Severe Thunderstorm Warning | EAX | Bates, Cass | 41 min |
| Sep 9, 5:54 PM CDT | Severe Thunderstorm Warning | EAX | Cass, Johnson | 51 min |
| Sep 9, 6:03 PM CDT | Severe Thunderstorm Warning | EAX | Bates | 42 min |
| Sep 9, 6:15 PM CDT | Severe Thunderstorm Warning | EAX | Cass, Henry, Johnson, Pettis | 60 min |
| Sep 9, 7:08 PM CDT | Severe Thunderstorm Warning | EAX | Henry | 37 min |
| Sep 9, 7:11 PM CDT | Severe Thunderstorm Warning | SGF | Benton | 49 min |
| Sep 9, 7:21 PM CDT | Severe Thunderstorm Warning | EAX | Henry | 24 min |
| Sep 9, 8:51 PM CDT | Severe Thunderstorm Warning | LSX | Cole, Moniteau | 37 min |
| Sep 9, 8:52 PM CDT | Severe Thunderstorm Warning | SGF | Miller, Morgan | 38 min |
| Sep 9, 10:20 PM CDT | Severe Thunderstorm Warning | LSX | Franklin, Warren | 30 min |
| Sep 9, 11:37 PM CDT | Severe Thunderstorm Warning | LSX | Jefferson, Saint Louis, City of Saint Louis | 27 min |
| Sep 10, 8:02 PM CDT | Severe Thunderstorm Warning | PAH | Ripley | 42 min |
| Sep 10, 11:34 PM CDT | Severe Thunderstorm Warning | PAH | New Madrid | 26 min |
| Sep 10, 11:46 PM CDT | Severe Thunderstorm Warning | PAH | New Madrid, Stoddard | 44 min |
| Sep 11, 12:24 AM CDT | Severe Thunderstorm Warning | PAH | Mississippi, New Madrid | 51 min |
| Sep 14, 5:03 AM CDT | Severe Thunderstorm Warning | EAX | Andrew | 42 min |
| Sep 14, 10:01 PM CDT | Severe Thunderstorm Warning | EAX | Atchison, Nodaway | 44 min |
| Sep 15, 5:10 PM CDT | Severe Thunderstorm Warning | EAX | Andrew, Holt | 50 min |
| Sep 15, 5:35 PM CDT | Severe Thunderstorm Warning | EAX | Lafayette, Ray | 40 min |
| Sep 15, 5:50 PM CDT | Severe Thunderstorm Warning | EAX | Andrew, Buchanan, DeKalb | 40 min |
| Sep 15, 6:13 PM CDT | Severe Thunderstorm Warning | LSX | Marion | 47 min |
| Sep 15, 6:31 PM CDT | Severe Thunderstorm Warning | EAX | Chariton, Macon, Randolph | 44 min |
| Sep 15, 6:34 PM CDT | Severe Thunderstorm Warning | EAX | Daviess, DeKalb | 41 min |
| Sep 15, 6:59 PM CDT | Severe Thunderstorm Warning | EAX | Caldwell, Daviess, DeKalb | 46 min |
| Sep 15, 7:09 PM CDT | Severe Thunderstorm Warning | EAX | Macon, Randolph | 38 min |
| Sep 15, 7:15 PM CDT | Severe Thunderstorm Warning | EAX | Cass | 30 min |
| Sep 15, 7:33 PM CDT | Severe Thunderstorm Warning | LSX | Monroe, Shelby | 42 min |
| Sep 15, 7:36 PM CDT | Severe Thunderstorm Warning | EAX | Clinton, DeKalb | 22 min |
| Sep 15, 7:38 PM CDT | Severe Thunderstorm Warning | EAX | Caldwell, Daviess, Grundy, Linn, Livingston | 52 min |
| Sep 15, 7:45 PM CDT | Severe Thunderstorm Warning | EAX | Cass, Jackson | 30 min |
| Sep 15, 7:54 PM CDT | Severe Thunderstorm Warning | LSX | Monroe | 27 min |
| Sep 16, 4:51 PM CDT | Severe Thunderstorm Warning | SGF | Camden | 24 min |
| Sep 16, 5:11 PM CDT | Severe Thunderstorm Warning | SGF | Camden | 21 min |
| Sep 17, 3:38 PM CDT | Severe Thunderstorm Warning | LSX | Saint Charles | 52 min |
| Sep 18, 5:12 PM CDT | Severe Thunderstorm Warning | LSX | Pike | 48 min |
| Sep 19, 7:12 PM CDT | Severe Thunderstorm Warning | EAX | Andrew, Buchanan, Holt | 48 min |
| Sep 19, 7:45 PM CDT | Severe Thunderstorm Warning | EAX | Mercer, Putnam | 45 min |
| Sep 19, 8:01 PM CDT | Severe Thunderstorm Warning | EAX | Andrew, Buchanan, Holt | 44 min |
| Sep 19, 8:10 PM CDT | Severe Thunderstorm Warning | EAX | Buchanan, Platte | 50 min |
| Sep 19, 8:39 PM CDT | Severe Thunderstorm Warning | EAX | Nodaway | 31 min |
| Sep 20, 12:58 AM CDT | Severe Thunderstorm Warning | EAX | Cass, Jackson | 12 min |
| Sep 20, 4:34 PM CDT | Severe Thunderstorm Warning | SGF | Christian, Greene, Lawrence | 41 min |
| Sep 20, 5:04 PM CDT | Severe Thunderstorm Warning | SGF | Dade | 26 min |
| Sep 20, 5:46 PM CDT | Severe Thunderstorm Warning | SGF | Laclede | 44 min |
| Sep 20, 5:59 PM CDT | Severe Thunderstorm Warning | SGF | Webster | 46 min |
| Sep 20, 10:47 PM CDT | Severe Thunderstorm Warning | LSX | Jefferson | 33 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Cass County11
- DeKalb County6
- Andrew County6
- Buchanan County6
- Bates County6
- Caldwell County5
- Clinton County5
- Daviess County5
- Platte County5
- Jackson County5
- Henry County5
- Gentry County3
- Nodaway County3
- Ray County3
- Clay County3
- Johnson County3
- New Madrid County3
- Holt County3
- Worth County2
- Harrison County2
- Dade County2
- Greene County2
- Grundy County2
- Livingston County2
- Cedar County2
- St. Clair County2
- Vernon County2
- Lafayette County2
- Jefferson County2
- Macon County2
- Randolph County2
- Monroe County2
- Camden County2
- Saint Francois County1
- Howell County1
- Texas County1
- Polk County1
- Pettis County1
- Benton County1
- Cole County1
23 more counties
- Moniteau County1
- Miller County1
- Morgan County1
- Franklin County1
- Warren County1
- Saint Louis County1
- City of Saint Louis1
- Ripley County1
- Stoddard County1
- Mississippi County1
- Atchison County1
- Marion County1
- Chariton County1
- Shelby County1
- Linn County1
- Saint Charles County1
- Pike County1
- Mercer County1
- Putnam County1
- Christian County1
- Lawrence County1
- Laclede County1
- Webster County1
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.