Alert archive / Iowa / Winter Storm Warnings

Winter Storm Warnings in Iowa, 2020

23 winter storm warnings in 2020. 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 2020. Tap one for its archive.

Winter Storm Warnings
23
Busiest month
January7 winter storm warnings
Busiest day
January 16, 20204 winter storm 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.

IssuedProductOfficeCountiesLasted
Jan 10, 3:17 AM CSTWinter Storm WarningDVNBenton, Buchanan, Cedar, Clinton, Delaware, Des Moines and 15 more43 hr
Jan 10, 3:24 AM CSTWinter Storm WarningOAXFremont, Montgomery, Page19 hr
Jan 10, 3:57 AM CSTWinter Storm WarningDMXAdair, Adams, Appanoose, Clarke, Dallas, Davis and 17 more38 hr
Jan 16, 11:34 AM CSTWinter Storm WarningFSDBuena Vista, Cherokee, Clay, Dickinson, Ida, Lyon and 5 more36 hr
Jan 16, 12:42 PM CSTWinter Storm WarningARXChickasaw, Clayton, Fayette, Floyd, Howard, Mitchell and 1 more53 hr
Jan 16, 2:04 PM CSTWinter Storm WarningDMXAdair, Audubon, Black Hawk, Boone, Bremer, Butler and 33 more52 hr
Jan 16, 2:17 PM CSTWinter Storm WarningDVNBenton, Buchanan, Cedar, Clinton, Delaware, Dubuque and 10 more52 hr
Feb 8, 3:49 AM CSTWinter Storm WarningARXAllamakee, Chickasaw, Floyd, Howard, Mitchell, Winneshiek38 hr
Feb 8, 3:55 AM CSTWinter Storm WarningDMXCerro Gordo, Hancock, Winnebago, Worth31 hr
Apr 11, 3:08 AM CDTWinter Storm WarningFSDCherokee, Clay, Dickinson, Lyon, O'Brien, Osceola and 2 more43 hr
Apr 11, 2:44 PM CDTWinter Storm WarningARXMitchell39 hr
Apr 11, 3:23 PM CDTWinter Storm WarningDMXEmmet, Kossuth, Palo Alto, Winnebago, Worth31 hr
Apr 15, 3:55 PM CDTWinter Storm WarningOAXFremont, Mills, Montgomery, Page36 hr
Apr 15, 8:55 PM CDTWinter Storm WarningDMXAdams, Appanoose, Clarke, Davis, Decatur, Lucas and 6 more34 hr
Apr 16, 2:12 AM CDTWinter Storm WarningDVNDes Moines, Henry, Jefferson, Keokuk, Lee, Louisa and 3 more29 hr
Nov 10, 12:01 PM CSTWinter Storm WarningFSDLyon9 hr
Dec 12, 1:53 AM CSTWinter Storm WarningDVNDelaware, Dubuque, Jackson, Jones12 hr
Dec 22, 10:51 PM CSTWinter Storm WarningOAXHarrison, Mills, Pottawattamie, Shelby22 hr
Dec 28, 3:24 AM CSTWinter Storm WarningDMXAdair, Adams, Appanoose, Audubon, Black Hawk, Boone and 36 more41 hr
Dec 28, 2:31 PM CSTWinter Storm WarningARXAllamakee, Chickasaw, Clayton, Fayette, Floyd, Howard and 1 more37 hr
Dec 28, 3:15 PM CSTWinter Storm WarningDVNBenton, Buchanan, Cedar, Clinton, Delaware, Des Moines and 15 more38 hr
Dec 28, 3:43 PM CSTWinter Storm WarningOAXFremont, Harrison, Mills, Monona, Montgomery, Page and 2 more27 hr
Dec 29, 7:18 AM CSTWinter Storm WarningFSDPlymouth, Woodbury11 hr

By county

Every county with at least one alert. A county page lists each alert that covered it.

59 more counties

The busiest days

Days with the most alerts issued, by UTC date.

  1. January 16, 20204winter storm warnings
  2. December 28, 20204winter storm warnings
  3. January 10, 20203winter storm warnings
  4. April 11, 20203winter storm warnings
  5. February 8, 20202winter storm warnings
  6. April 16, 20202winter storm warnings
  7. April 15, 20201winter storm warnings
  8. November 10, 20201winter storm warnings
  9. December 12, 20201winter storm warnings
  10. December 23, 20201winter storm warnings
  11. December 29, 20201winter storm warnings

Nearby

Alerts in force nowTornadoes on recordThe radar archive20192021

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.