Alert archive / Iowa / Extreme Cold Warnings
Extreme Cold Warnings in Iowa, 2026
5 extreme cold 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 extreme cold warnings reaches back to 2005.
Extreme Cold Warnings by county
Each county as a circle sized by its count in 2026. Tap one for its archive.
- Extreme Cold Warnings
- 5
- Busiest month
- January5 extreme cold warnings
- Busiest day
- January 22, 20264 extreme cold 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 |
|---|---|---|---|---|
| Jan 21, 11:56 AM CST | Extreme Cold Warning | ARX | Allamakee, Chickasaw, Clayton, Fayette, Floyd, Howard and 2 more | 48 hr |
| Jan 22, 1:39 AM CST | Extreme Cold Warning | OAX | Harrison, Monona, Pottawattamie, Shelby | 34 hr |
| Jan 22, 2:28 AM CST | Extreme Cold Warning | DMX | Adair, Adams, Appanoose, Audubon, Black Hawk, Boone and 45 more | 34 hr |
| Jan 22, 2:28 AM CST | Extreme Cold Warning | FSD | Buena Vista, Cherokee, Clay, Dickinson, Ida, Lyon and 5 more | 33 hr |
| Jan 22, 2:38 AM CST | Extreme Cold Warning | DVN | Benton, Buchanan, Cedar, Clinton, Delaware, Des Moines and 15 more | 33 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Allamakee County1
- Chickasaw County1
- Clayton County1
- Fayette County1
- Floyd County1
- Howard County1
- Mitchell County1
- Winneshiek County1
- Harrison County1
- Monona County1
- Pottawattamie County1
- Shelby County1
- Adair County1
- Adams County1
- Appanoose County1
- Audubon County1
- Black Hawk County1
- Boone County1
- Bremer County1
- Butler County1
- Calhoun County1
- Carroll County1
- Cass County1
- Cerro Gordo County1
- Clarke County1
- Crawford County1
- Dallas County1
- Davis County1
- Decatur County1
- Emmet County1
- Franklin County1
- Greene County1
- Grundy County1
- Guthrie County1
- Hamilton County1
- Hancock County1
- Hardin County1
- Humboldt County1
- Jasper County1
- Kossuth County1
55 more counties
- Lucas County1
- Madison County1
- Mahaska County1
- Marion County1
- Marshall County1
- Monroe County1
- Palo Alto County1
- Pocahontas County1
- Polk County1
- Poweshiek County1
- Ringgold County1
- Sac County1
- Story County1
- Tama County1
- Taylor County1
- Union County1
- Wapello County1
- Warren County1
- Wayne County1
- Webster County1
- Winnebago County1
- Worth County1
- Wright 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
- 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
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.