Alert archive / Iowa / Winter Storm Warnings / 2025
Winter Storm Warnings in Iowa, December 2025
7 winter storm warnings in December 2025. 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 winter storm warnings reaches back to 2005.
Winter Storm Warnings by county
Each county as a circle sized by its count in December 2025. Tap one for its archive.
- Winter Storm Warnings
- 7
- Busiest day
- December 6, 20253 winter storm 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 |
|---|---|---|---|---|
| Dec 5, 1:47 PM CST | Winter Storm Warning | DMX | Black Hawk, Boone, Bremer, Butler, Calhoun, Cerro Gordo and 17 more | 37 hr |
| Dec 6, 2:29 AM CST | Winter Storm Warning | ARX | Chickasaw, Fayette, Floyd, Mitchell | 25 hr |
| Dec 6, 3:08 AM CST | Winter Storm Warning | FSD | Buena Vista, Cherokee, Clay, Dickinson, Lyon, O'Brien and 2 more | 21 hr |
| Dec 6, 1:49 PM CST | Winter Storm Warning | DVN | Benton, Buchanan, Clinton, Jackson, Jones, Linn | 16 hr |
| Dec 18, 3:59 PM CST | Winter Storm Warning | DMX | Black Hawk, Grundy, Hamilton, Hardin, Marshall, Tama and 1 more | 5 hr |
| Dec 18, 4:06 PM CST | Winter Storm Warning | DVN | Benton, Buchanan, Cedar, Clinton, Delaware, Dubuque and 7 more | 6 hr |
| Dec 27, 2:17 PM CST | Winter Storm Warning | ARX | Allamakee, Winneshiek | 40 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Black Hawk County2
- Grundy County2
- Hamilton County2
- Hardin County2
- Marshall County2
- Tama County2
- Webster County2
- Benton County2
- Buchanan County2
- Clinton County2
- Jackson County2
- Jones County2
- Linn County2
- Boone County1
- Bremer County1
- Butler County1
- Calhoun County1
- Cerro Gordo County1
- Emmet County1
- Franklin County1
- Hancock County1
- Humboldt County1
- Kossuth County1
- Palo Alto County1
- Pocahontas County1
- Story County1
- Winnebago County1
- Worth County1
- Wright County1
- Chickasaw County1
- Fayette County1
- Floyd County1
- Mitchell County1
- Buena Vista County1
- Cherokee County1
- Clay County1
- Dickinson County1
- Lyon County1
- O'Brien County1
- Osceola County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive20242026
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.