Alert archive / Iowa / Tornado Watches / 2026
Tornado Watches in Iowa, September 2026
1 tornado watches 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 tornado watches reaches back to 1997.
Tornado Watches by county
Each county as a circle sized by its count in September 2026. Tap one for its archive.
- Tornado Watches
- 1
- Busiest day
- September 14, 20261 tornado watches
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 14, 4:51 PM CDT | Tornado Watch | SPC | Adair, Adams, Audubon, Boone, Carroll, Cass and 18 more | 7 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Adair County1
- Adams County1
- Audubon County1
- Boone County1
- Carroll County1
- Cass County1
- Clarke County1
- Crawford County1
- Dallas County1
- Fremont County1
- Greene County1
- Guthrie County1
- Harrison County1
- Madison County1
- Mills County1
- Montgomery County1
- Page County1
- Polk County1
- Pottawattamie County1
- Ringgold County1
- Shelby County1
- Taylor County1
- Union County1
- Warren 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.