Alert archive / Iowa / Freeze Warnings
Freeze Warnings in Iowa, 2026
6 freeze warnings in 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 freeze warnings reaches back to 2005.
Freeze Warnings by county
Each county as a circle sized by its count in 2026. Tap one for its archive.
- Freeze Warnings
- 6
- Busiest month
- May4 freeze warnings
- Busiest day
- May 1, 20264 freeze warnings
Over time
By month
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 |
|---|---|---|---|---|
| Apr 19, 2:10 AM CDT | Freeze Warning | DVN | Benton, Buchanan, Cedar, Clinton, Delaware, Des Moines and 15 more | 30 hr |
| Apr 19, 2:13 AM CDT | Freeze Warning | DMX | Black Hawk, Boone, Grundy, Hamilton, Hardin, Jasper and 7 more | 31 hr |
| May 1, 2:25 AM CDT | Freeze Warning | ARX | Allamakee, Chickasaw, Clayton, Fayette, Floyd, Howard and 2 more | 30 hr |
| May 1, 12:36 PM CDT | Freeze Warning | OAX | Monona | 19 hr |
| May 1, 1:06 PM CDT | Freeze Warning | FSD | Buena Vista, Cherokee, Clay, Dickinson, Ida, Lyon and 5 more | 19 hr |
| May 1, 1:19 PM CDT | Freeze Warning | DMX | Boone, Bremer, Butler, Calhoun, Carroll, Cerro Gordo and 16 more | 19 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Boone County2
- Hamilton County2
- Hardin County2
- Webster County2
- Benton County1
- Buchanan County1
- Cedar County1
- Clinton County1
- Delaware County1
- Des Moines County1
- Dubuque County1
- Henry County1
- Iowa County1
- Jackson County1
- Jefferson County1
- Johnson County1
- Jones County1
- Keokuk County1
- Lee County1
- Linn County1
- Louisa County1
- Muscatine County1
- Scott County1
- Van Buren County1
- Washington County1
- Black Hawk County1
- Grundy County1
- Jasper County1
- Mahaska County1
- Marshall County1
- Poweshiek County1
- Story County1
- Tama County1
- Wapello County1
- Allamakee County1
- Chickasaw County1
- Clayton County1
- Fayette County1
- Floyd County1
- Howard County1
32 more counties
- Mitchell County1
- Winneshiek County1
- Monona County1
- Buena Vista County1
- Cherokee County1
- Clay County1
- Dickinson County1
- Ida County1
- Lyon County1
- O'Brien County1
- Osceola County1
- Plymouth County1
- Sioux County1
- Woodbury County1
- Bremer County1
- Butler County1
- Calhoun County1
- Carroll County1
- Cerro Gordo County1
- Crawford County1
- Emmet County1
- Franklin County1
- Greene County1
- Hancock County1
- Humboldt County1
- Kossuth County1
- Palo Alto County1
- Pocahontas County1
- Sac County1
- Winnebago County1
- Worth County1
- Wright County1
The busiest days
Days with the most alerts issued, by UTC date.
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.