Blizzard Watches in Iowa
36 blizzard watches 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 blizzard watches reaches back to 2005.
Blizzard Watches by county
Each county as a circle sized by its count since 1986. Tap one for its archive.
- Blizzard Watches
- 36
- Busiest year
- 200911 blizzard watches
- Average year
- 5over 8 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.
- Clay County11
- Dickinson County11
- Osceola County11
- Bremer County10
- Buena Vista County10
- Butler County10
- Cherokee County10
- Humboldt County10
- Kossuth County10
- O'Brien County10
- Pocahontas County10
- Black Hawk County9
- Boone County9
- Cerro Gordo County9
- Crawford County9
- Emmet County9
- Franklin County9
- Grundy County9
- Hancock County9
- Hardin County9
- Marshall County9
- Palo Alto County9
- Story County9
- Winnebago County9
- Wright County9
- Carroll County8
- Greene County8
- Hamilton County8
- Ida County8
- Lyon County8
- Sac County8
- Sioux County8
- Tama County8
- Webster County8
- Worth County8
- Audubon County7
- Calhoun County7
- Dallas County7
- Guthrie County7
- Jasper County7
57 more counties
- Madison County6
- Marion County6
- Poweshiek County6
- Warren County6
- Polk County6
- Adair County5
- Mahaska County5
- Wapello County5
- Plymouth County5
- Chickasaw County5
- Floyd County5
- Howard County5
- Mitchell County5
- Adams County4
- Appanoose County4
- Cass County4
- Clarke County4
- Davis County4
- Lucas County4
- Monroe County4
- Taylor County4
- Union County4
- Wayne County4
- Benton County4
- Buchanan County4
- Clinton County4
- Delaware County4
- Dubuque County4
- Jackson County4
- Jones County4
- Linn County4
- Woodbury County4
- Decatur County3
- Ringgold County3
- Cedar County3
- Fayette County3
- Henry County3
- Iowa County3
- Jefferson County3
- Johnson County3
- Keokuk County3
- Louisa County3
- Monona County3
- Muscatine County3
- Scott County3
- Washington County3
- Winneshiek County3
- Des Moines County2
- Fremont County2
- Harrison County2
- Lee County2
- Mills County2
- Montgomery County2
- Page County2
- Pottawattamie County2
- Shelby County2
- Van Buren County2
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.