Alert archive / Illinois / Tornado Warnings

Tornado Warnings in Illinois, 2020

80 tornado 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 tornado warnings reaches back to 1986.

Tornado Warnings by county

Each county as a circle sized by its count in 2020. Tap one for its archive.

Tornado Warnings
80
Busiest month
May23 tornado warnings
Busiest day
May 23, 202014 tornado 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, 6:35 PM CSTTornado WarningLSXCalhoun, Pike40 min
Mar 19, 3:32 PM CDTTornado WarningPAHFranklin, Jackson, Jefferson, Perry43 min
Mar 19, 4:26 PM CDTTornado WarningPAHEdwards, Hamilton, Wayne, White38 min
Mar 28, 4:48 PM CDTTornado WarningDVNWarren42 min
Mar 28, 5:08 PM CDTTornado WarningILXKnox37 min
Mar 28, 5:52 PM CDTTornado WarningDVNBureau, Henry38 min
Mar 28, 6:33 PM CDTTornado WarningDVNHenderson, Warren42 min
Mar 28, 6:42 PM CDTTornado WarningPAHMassac33 min
Mar 28, 7:10 PM CDTTornado WarningPAHHardin, Pope50 min
Mar 28, 7:14 PM CDTTornado WarningDVNMercer, Warren31 min
Mar 28, 7:21 PM CDTTornado WarningILXKnox24 min
Mar 28, 7:33 PM CDTTornado WarningDVNHenry42 min
Mar 28, 7:36 PM CDTTornado WarningPAHMassac9 min
Mar 28, 7:42 PM CDTTornado WarningPAHPope18 min
Mar 28, 7:56 PM CDTTornado WarningILXFulton34 min
Mar 28, 8:20 PM CDTTornado WarningDVNHenry, Whiteside18 min
Mar 28, 8:53 PM CDTTornado WarningLOTLee, Ogle37 min
Mar 28, 8:56 PM CDTTornado WarningILXPeoria, Tazewell, Woodford28 min
Mar 28, 9:19 PM CDTTornado WarningLOTOgle, Winnebago26 min
Apr 28, 8:53 PM CDTTornado WarningLSXBond, Clinton, Madison37 min
May 14, 7:54 PM CDTTornado WarningILXMarshall, Woodford51 min
May 14, 10:20 PM CDTTornado Warning Tornado observedDVNHenry14 min
May 14, 11:26 PM CDTTornado WarningLOTLee19 min
May 14, 11:53 PM CDTTornado WarningLOTDeKalb, Kane, Kendall22 min
May 17, 4:09 PM CDTTornado WarningILXMacon17 min
May 17, 6:02 PM CDTTornado WarningILXLawrence28 min
May 23, 12:59 PM CDTTornado WarningDVNHenry, Rock Island, Whiteside46 min
May 23, 1:40 PM CDTTornado WarningDVNCarroll, Whiteside5 min
May 23, 1:57 PM CDTTornado Warning Tornado observedILXWoodford20 min
May 23, 2:02 PM CDTTornado Warning Tornado observedLOTLivingston43 min
May 23, 2:17 PM CDTTornado WarningDVNBureau, Henry, Whiteside23 min
May 23, 2:27 PM CDTTornado WarningDVNCarroll, Whiteside36 min
May 23, 2:27 PM CDTTornado Warning Tornado observedDVNJo Daviess34 min
May 23, 2:37 PM CDTTornado WarningLOTLivingston53 min
May 23, 3:02 PM CDTTornado WarningLOTCook, Will43 min
May 23, 3:05 PM CDTTornado WarningDVNJo Daviess27 min
May 23, 3:14 PM CDTTornado WarningLOTWinnebago61 min
May 23, 3:50 PM CDTTornado WarningLOTFord, Iroquois17 min
May 23, 4:19 PM CDTTornado Warning Tornado observedDVNJo Daviess11 min
May 23, 6:13 PM CDTTornado WarningLOTDeKalb, Kane, McHenry47 min
May 28, 4:46 PM CDTTornado WarningILXMarshall, Peoria15 min
May 28, 6:15 PM CDTTornado Warning Tornado observedILXChristian30 min
May 28, 7:20 PM CDTTornado Warning Tornado observedILXMoultrie25 min
Jun 9, 6:53 PM CDTTornado WarningLOTKankakee37 min
Jun 9, 6:56 PM CDTTornado WarningLOTWill18 min
Jun 9, 7:13 PM CDTTornado WarningLOTWill47 min
Jun 9, 7:47 PM CDTTornado WarningLOTCook18 min
Jun 26, 6:00 PM CDTTornado WarningDVNStephenson30 min
Jun 26, 6:25 PM CDTTornado WarningLOTWinnebago20 min
Jul 9, 6:22 PM CDTTornado WarningDVNHenderson, Warren38 min
Jul 15, 1:41 PM CDTTornado WarningILXTazewell34 min
Jul 15, 4:07 PM CDTTornado Warning Tornado observedILXMcLean8 min
Jul 15, 4:10 PM CDTTornado Warning Tornado observedLOTLivingston35 min
Jul 15, 4:16 PM CDTTornado Warning Tornado observedILXMcLean29 min
Jul 15, 4:27 PM CDTTornado Warning Tornado observedLOTLivingston63 min
Jul 15, 4:38 PM CDTTornado WarningLSXMacoupin, Montgomery23 min
Jul 15, 5:11 PM CDTTornado WarningLOTFord, Iroquois45 min
Jul 15, 5:13 PM CDTTornado WarningLSXClinton, Monroe, Saint Clair, Washington25 min
Jul 15, 5:26 PM CDTTornado Warning Tornado observedILXChristian, Sangamon28 min
Jul 15, 6:36 PM CDTTornado WarningILXMcLean39 min
Jul 15, 7:24 PM CDTTornado WarningLSXRandolph19 min
Jul 15, 8:00 PM CDTTornado WarningPAHJackson30 min
Jul 21, 4:03 PM CDTTornado WarningILXSangamon27 min
Jul 21, 4:17 PM CDTTornado WarningLSXMontgomery13 min
Jul 21, 4:18 PM CDTTornado WarningILXChristian, Sangamon27 min
Jul 21, 5:25 PM CDTTornado WarningILXChampaign, Douglas, Piatt19 min
Aug 10, 2:43 PM CDTTornado WarningLOTBoone, Winnebago62 min
Aug 10, 2:55 PM CDTTornado WarningLOTBoone34 min
Aug 10, 3:11 PM CDTTornado WarningLOTDeKalb, Kane, Kendall, LaSalle34 min
Aug 10, 3:26 PM CDTTornado WarningLOTDuPage, Will34 min
Aug 10, 3:43 PM CDTTornado WarningLOTCook, DuPage26 min
Aug 10, 3:44 PM CDTTornado WarningLOTLake, McHenry47 min
Nov 10, 1:49 PM CSTTornado WarningDVNMercer, Rock Island26 min
Nov 10, 1:57 PM CSTTornado WarningDVNHenderson, Mercer, Warren15 min
Nov 10, 2:23 PM CSTTornado WarningDVNHenry, Rock Island, Whiteside17 min
Nov 10, 2:51 PM CSTTornado WarningILXFulton, Knox, Peoria24 min
Nov 10, 2:54 PM CSTTornado WarningDVNCarroll, Whiteside19 min
Nov 10, 3:37 PM CSTTornado WarningDVNBureau, Putnam20 min
Nov 10, 3:45 PM CSTTornado WarningILXMarshall15 min
Nov 10, 4:18 PM CSTTornado WarningLOTLaSalle27 min

By county

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

25 more counties

The busiest days

Days with the most alerts issued, by UTC date.

  1. May 23, 202014tornado warnings
  2. March 29, 202011tornado warnings
  3. July 15, 202010tornado warnings
  4. November 10, 20208tornado warnings
  5. August 10, 20206tornado warnings
  6. March 28, 20205tornado warnings
  7. May 15, 20204tornado warnings
  8. July 21, 20204tornado warnings
  9. March 19, 20202tornado warnings
  10. May 17, 20202tornado warnings
  11. May 28, 20202tornado warnings
  12. June 9, 20202tornado 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.