Freeze Warnings in Iowa
253 freeze warnings since 1986. 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 since 1986. Tap one for its archive.
- Freeze Warnings
- 253
- Busiest year
- 201231 freeze warnings
- Average year
- 12over 22 years on file
Over time
By year
Before late 2005 the archive holds only tornado, severe thunderstorm, flash flood and marine warnings, and from 1997 SPC's watches, so the jump that year is the archive widening, not the weather.
By month of the year
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Benton County52
- Jackson County52
- Jones County52
- Linn County52
- Dubuque County51
- Buchanan County50
- Clinton County50
- Delaware County50
- Johnson County48
- Cedar County47
- Iowa County47
- Jefferson County47
- Henry County46
- Keokuk County46
- Washington County45
- Van Buren County44
- Scott County44
- Des Moines County43
- Louisa County43
- Muscatine County43
- Tama County43
- Cass County40
- Lee County40
- Monona County40
- Story County40
- Marshall County40
- Poweshiek County40
- Audubon County39
- Grundy County38
- Montgomery County37
- Page County37
- Shelby County37
- Black Hawk County37
- Adams County36
- Guthrie County36
- Hamilton County36
- Harrison County36
- Hardin County36
- Mahaska County36
- Adair County35
59 more counties
- Boone County35
- Carroll County35
- Crawford County35
- Fremont County35
- Mills County35
- Pottawattamie County35
- Taylor County35
- Bremer County35
- Butler County35
- Wapello County35
- Dallas County34
- Davis County34
- Jasper County34
- Howard County33
- Humboldt County33
- Lyon County33
- Mitchell County33
- Webster County33
- Winneshiek County33
- Franklin County33
- Hancock County33
- Ringgold County33
- Wright County33
- Allamakee County32
- Chickasaw County32
- Fayette County32
- Floyd County32
- Greene County32
- Kossuth County32
- Osceola County32
- Cerro Gordo County32
- Marion County32
- Polk County32
- Union County32
- Winnebago County32
- Worth County32
- Clayton County31
- Emmet County31
- Palo Alto County31
- Sac County31
- Appanoose County31
- Clarke County31
- Decatur County31
- Lucas County31
- Monroe County31
- Calhoun County30
- Pocahontas County30
- Madison County30
- Warren County30
- Wayne County30
- Dickinson County29
- O'Brien County29
- Sioux County29
- Clay County27
- Plymouth County23
- Buena Vista County22
- Cherokee County22
- Woodbury County22
- Ida County21
The latest freeze warnings
The most recent on file, newest first.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 1, 1:19 PM CDT | Freeze Warning | DMX | Boone, Bremer, Butler, Calhoun, Carroll, Cerro Gordo and 16 more | 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, 12:36 PM CDT | Freeze Warning | OAX | Monona | 19 hr |
| May 1, 2:25 AM CDT | Freeze Warning | ARX | Allamakee, Chickasaw, Clayton, Fayette, Floyd, Howard and 2 more | 30 hr |
| Apr 19, 2:13 AM CDT | Freeze Warning | DMX | Black Hawk, Boone, Grundy, Hamilton, Hardin, Jasper and 7 more | 31 hr |
| Apr 19, 2:10 AM CDT | Freeze Warning | DVN | Benton, Buchanan, Cedar, Clinton, Delaware, Des Moines and 15 more | 30 hr |
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. Rebuilt daily.