Alert archive / Illinois / Freeze Warnings

Freeze Warnings in Illinois, 2021

29 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
29
Busiest month
April12 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
Mar 30, 2:26 PM CDTFreeze WarningPAHAlexander, Edwards, Franklin, Gallatin, Hamilton, Hardin and 13 more43 hr
Mar 30, 2:43 PM CDTFreeze WarningLSXBond, Calhoun, Clinton, Fayette, Jersey, Madison and 5 more42 hr
Mar 30, 2:44 PM CDTFreeze WarningILXClay, Lawrence, Richland42 hr
Mar 31, 12:20 PM CDTFreeze WarningPAHAlexander, Edwards, Franklin, Gallatin, Hamilton, Hardin and 13 more45 hr
Mar 31, 2:38 PM CDTFreeze WarningILXClay, Crawford, Effingham, Jasper, Lawrence, Richland42 hr
Mar 31, 2:44 PM CDTFreeze WarningLSXBond, Calhoun, Clinton, Fayette, Jersey, Madison and 5 more42 hr
Apr 2, 2:15 PM CDTFreeze WarningPAHEdwards, Gallatin, Hamilton, Hardin, Pope, Saline and 3 more19 hr
Apr 2, 2:24 PM CDTFreeze WarningILXClay, Crawford, Effingham, Jasper, Lawrence, Richland18 hr
Apr 19, 1:01 PM CDTFreeze WarningLSXAdams, Bond, Brown, Calhoun, Clinton, Fayette and 11 more23 hr
Apr 19, 2:07 PM CDTFreeze WarningDVNBureau, Carroll, Hancock, Henderson, Henry, Jo Daviess and 7 more43 hr
Apr 19, 2:27 PM CDTFreeze WarningILXCass, Champaign, Christian, Clark, Clay, Coles and 29 more43 hr
Apr 19, 2:58 PM CDTFreeze WarningLOTBoone, Cook, DeKalb, DuPage, Ford, Grundy and 12 more42 hr
Apr 19, 3:25 PM CDTFreeze WarningPAHAlexander, Edwards, Franklin, Gallatin, Hamilton, Hardin and 13 more42 hr
Apr 19, 11:02 PM CDTFreeze WarningLSXAdams, Bond, Brown, Calhoun, Clinton, Fayette and 11 more34 hr
Apr 21, 2:58 AM CDTFreeze WarningILXCass, Champaign, Christian, Clark, Clay, Coles and 29 more29 hr
Apr 21, 3:07 AM CDTFreeze WarningDVNBureau, Carroll, Hancock, Henderson, Henry, Jo Daviess and 7 more30 hr
Apr 21, 3:08 AM CDTFreeze WarningLSXAdams, Bond, Brown, Calhoun, Clinton, Fayette and 11 more30 hr
Apr 21, 3:22 AM CDTFreeze WarningLOTBoone, Cook, DeKalb, DuPage, Ford, Grundy and 12 more29 hr
Oct 31, 2:37 AM CDTFreeze WarningLOTBoone, DeKalb, Kane, Kendall, Lake, LaSalle and 4 more30 hr
Oct 31, 2:22 PM CDTFreeze WarningDVNBureau, Henderson, Henry, Mercer, Putnam, Rock Island and 1 more19 hr
Oct 31, 8:14 PM CDTFreeze WarningILXKnox, Marshall, Stark13 hr
Nov 1, 2:14 PM CDTFreeze WarningDVNHancock, Henderson, McDonough, Warren19 hr
Nov 1, 2:32 PM CDTFreeze WarningLSXAdams, Brown, Pike18 hr
Nov 1, 2:41 PM CDTFreeze WarningILXCass, Champaign, DeWitt, Fulton, Knox, Logan and 15 more18 hr
Nov 2, 11:21 AM CDTFreeze WarningPAHEdwards, Franklin, Gallatin, Hamilton, Hardin, Jackson and 7 more22 hr
Nov 2, 2:04 PM CDTFreeze WarningLSXBond, Calhoun, Clinton, Fayette, Greene, Jersey and 8 more19 hr
Nov 2, 2:11 PM CDTFreeze WarningILXChristian, Clark, Clay, Coles, Crawford, Cumberland and 8 more19 hr
Nov 3, 3:14 AM CDTFreeze WarningLSXRandolph30 hr
Nov 3, 3:19 AM CDTFreeze WarningPAHAlexander, Edwards, Franklin, Gallatin, Hamilton, Hardin and 13 more30 hr

By county

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

62 more counties

The busiest days

Days with the most alerts issued, by UTC date.

  1. April 19, 20215freeze warnings
  2. April 21, 20214freeze warnings
  3. November 1, 20214freeze warnings
  4. March 30, 20213freeze warnings
  5. March 31, 20213freeze warnings
  6. November 2, 20213freeze warnings
  7. April 2, 20212freeze warnings
  8. October 31, 20212freeze warnings
  9. November 3, 20212freeze warnings
  10. April 20, 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.