Alert archive / Iowa / Severe Thunderstorm Warnings / 2024
Severe Thunderstorm Warnings in Iowa, August 2024
29 severe thunderstorm warnings in August 2024. 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 August 2024. Tap one for its archive.
- Severe Thunderstorm Warnings
- 29
- Busiest day
- August 29, 20248 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 |
|---|---|---|---|---|
| Jul 31, 7:27 PM CDT | Severe Thunderstorm Warning | DMX | Adams, Ringgold, Taylor, Union | 48 min |
| Jul 31, 7:30 PM CDT | Severe Thunderstorm Warning | DMX | Adair, Audubon, Cass, Dallas, Greene, Guthrie and 1 more | 45 min |
| Jul 31, 7:54 PM CDT | Severe Thunderstorm Warning | DMX | Adair, Boone, Dallas, Guthrie, Madison, Polk and 2 more | 51 min |
| Jul 31, 8:21 PM CDT | Severe Thunderstorm Warning | DMX | Appanoose, Clarke, Decatur, Lucas, Madison, Mahaska and 5 more | 39 min |
| Jul 31, 8:27 PM CDT | Severe Thunderstorm Warning | DMX | Boone, Dallas, Hardin, Jasper, Madison, Marion and 4 more | 48 min |
| Aug 5, 7:37 PM CDT | Severe Thunderstorm Warning | DMX | Cerro Gordo, Winnebago, Worth | 53 min |
| Aug 5, 8:11 PM CDT | Severe Thunderstorm Warning | ARX | Mitchell | 49 min |
| Aug 5, 8:57 PM CDT | Severe Thunderstorm Warning | ARX | Chickasaw, Floyd, Howard, Mitchell | 48 min |
| Aug 14, 7:33 PM CDT | Severe Thunderstorm Warning | OAX | Fremont | 31 min |
| Aug 14, 8:43 PM CDT | Severe Thunderstorm Warning | OAX | Fremont, Page | 32 min |
| Aug 15, 5:55 PM CDT | Severe Thunderstorm Warning | DMX | Jasper, Poweshiek, Tama | 50 min |
| Aug 15, 9:20 PM CDT | Severe Thunderstorm Warning | DVN | Des Moines, Henry | 40 min |
| Aug 15, 9:51 PM CDT | Severe Thunderstorm Warning | DVN | Des Moines | 39 min |
| Aug 27, 8:13 PM CDT | Severe Thunderstorm Warning | DVN | Des Moines, Henry, Lee | 47 min |
| Aug 27, 8:34 PM CDT | Severe Thunderstorm Warning | DVN | Des Moines, Louisa | 41 min |
| Aug 29, 2:21 PM CDT | Severe Thunderstorm Warning | FSD | Osceola | 25 min |
| Aug 29, 2:51 PM CDT | Severe Thunderstorm Warning | OAX | Pottawattamie | 24 min |
| Aug 29, 4:01 PM CDT | Severe Thunderstorm Warning | DMX | Crawford, Sac | 44 min |
| Aug 29, 4:31 PM CDT | Severe Thunderstorm Warning | OAX | Harrison, Monona | 29 min |
| Aug 29, 4:43 PM CDT | Severe Thunderstorm Warning | DMX | Calhoun, Crawford, Pocahontas, Sac | 47 min |
| Aug 29, 4:45 PM CDT | Severe Thunderstorm Warning | OAX | Harrison, Monona | 45 min |
| Aug 29, 4:55 PM CDT | Severe Thunderstorm Warning | OAX | Harrison, Monona | 35 min |
| Aug 29, 6:46 PM CDT | Severe Thunderstorm Warning | DMX | Butler | 29 min |
| Aug 29, 7:02 PM CDT | Severe Thunderstorm Warning | ARX | Chickasaw, Floyd, Howard, Mitchell | 28 min |
| Aug 29, 7:21 PM CDT | Severe Thunderstorm Warning | ARX | Chickasaw, Howard | 39 min |
| Aug 29, 7:38 PM CDT | Severe Thunderstorm Warning | ARX | Howard, Winneshiek | 37 min |
| Aug 29, 7:47 PM CDT | Severe Thunderstorm Warning | ARX | Chickasaw, Howard, Winneshiek | 43 min |
| Aug 29, 8:18 PM CDT | Severe Thunderstorm Warning | ARX | Allamakee, Winneshiek | 27 min |
| Aug 30, 12:22 AM CDT | Severe Thunderstorm Warning | DVN | Cedar, Clinton, Jackson, Jones | 38 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Howard County5
- Madison County4
- Chickasaw County4
- Des Moines County4
- Dallas County3
- Warren County3
- Mitchell County3
- Harrison County3
- Monona County3
- Winneshiek County3
- Ringgold County2
- Adair County2
- Guthrie County2
- Boone County2
- Polk County2
- Story County2
- Marion County2
- Jasper County2
- Floyd County2
- Fremont County2
- Henry County2
- Crawford County2
- Sac County2
- Adams County1
- Taylor County1
- Union County1
- Audubon County1
- Cass County1
- Greene County1
- Appanoose County1
- Clarke County1
- Decatur County1
- Lucas County1
- Mahaska County1
- Monroe County1
- Wayne County1
- Hardin County1
- Marshall County1
- Cerro Gordo County1
- Winnebago County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive20232025
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.