Alert archive / Iowa / Freeze Warnings

Freeze Warnings in Iowa, 2021

21 freeze warnings in 2021. 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 2021. Tap one for its archive.

Freeze Warnings
21
Busiest month
April11 freeze warnings
Busiest day
April 19, 20215 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.

IssuedProductOfficeCountiesLasted
Apr 13, 2:38 PM CDTFreeze WarningOAXFremont, Mills, Montgomery, Page, Pottawattamie17 hr
Apr 14, 2:25 PM CDTFreeze WarningOAXFremont, Mills, Montgomery, Page, Pottawattamie18 hr
Apr 14, 3:14 PM CDTFreeze WarningDMXAdams, Cass, Taylor17 hr
Apr 19, 2:07 PM CDTFreeze WarningDVNBenton, Buchanan, Cedar, Clinton, Delaware, Des Moines and 15 more43 hr
Apr 19, 2:29 PM CDTFreeze WarningOAXFremont, Mills, Montgomery, Page, Pottawattamie19 hr
Apr 19, 2:29 PM CDTFreeze WarningOAXFremont, Mills, Montgomery, Page, Pottawattamie43 hr
Apr 19, 2:56 PM CDTFreeze WarningDMXAdair, Adams, Appanoose, Audubon, Cass, Clarke and 21 more18 hr
Apr 19, 2:56 PM CDTFreeze WarningDMXAdair, Adams, Appanoose, Audubon, Cass, Clarke and 21 more42 hr
Apr 21, 3:07 AM CDTFreeze WarningDVNBenton, Buchanan, Cedar, Clinton, Delaware, Des Moines and 15 more30 hr
Apr 21, 3:34 AM CDTFreeze WarningDMXAdair, Adams, Appanoose, Audubon, Cass, Clarke and 21 more29 hr
Apr 21, 3:36 AM CDTFreeze WarningOAXFremont, Mills, Montgomery, Page, Pottawattamie29 hr
Oct 15, 3:13 AM CDTFreeze WarningOAXMonona30 hr
Oct 15, 3:00 PM CDTFreeze WarningFSDLyon, O'Brien, Osceola, Sioux19 hr
Oct 21, 2:49 AM CDTFreeze WarningDMXAdair, Audubon, Black Hawk, Boone, Bremer, Butler and 24 more30 hr
Oct 21, 3:07 AM CDTFreeze WarningARXChickasaw, Fayette, Floyd, Howard, Mitchell, Winneshiek30 hr
Oct 21, 3:12 AM CDTFreeze WarningOAXHarrison, Monona, Shelby31 hr
Oct 22, 1:56 PM CDTFreeze WarningARXAllamakee, Chickasaw, Clayton, Fayette, Floyd, Howard and 2 more19 hr
Oct 22, 2:22 PM CDTFreeze WarningDVNBenton, Buchanan, Delaware, Dubuque, Jackson, Jones and 1 more19 hr
Oct 22, 2:39 PM CDTFreeze WarningDMXBlack Hawk, Boone, Bremer, Butler, Calhoun, Carroll and 21 more18 hr
Oct 31, 2:22 PM CDTFreeze WarningDVNDes Moines, Henry, Jefferson, Keokuk, Louisa, Muscatine and 2 more19 hr
Nov 1, 2:14 PM CDTFreeze WarningDVNDes Moines, Henry, Jefferson, Lee, Van Buren19 hr

By county

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

52 more counties

The busiest days

Days with the most alerts issued, by UTC date.

  1. April 19, 20215freeze warnings
  2. April 21, 20213freeze warnings
  3. October 21, 20213freeze warnings
  4. October 22, 20213freeze warnings
  5. April 14, 20212freeze warnings
  6. October 15, 20212freeze warnings
  7. April 13, 20211freeze warnings
  8. October 31, 20211freeze warnings
  9. November 1, 20211freeze warnings

Nearby

Alerts in force nowTornadoes on recordThe radar archive20202022

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.