Alert archive / Illinois / Tornado Warnings

Tornado Warnings in Illinois, 1991

64 tornado warnings in 1991. 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 1991. Tap one for its archive.

Tornado Warnings
64
Busiest month
May24 tornado warnings
Busiest day
March 27, 199110 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
Feb 13, 5:07 PM CSTTornado WarningPAHAlexander, Pulaski38 min
Mar 12, 5:34 PM CSTTornado WarningLSXPike41 min
Mar 22, 9:49 PM CSTTornado WarningILXBureau, Stark31 min
Mar 22, 11:01 PM CSTTornado WarningLOTKankakee, Will44 min
Mar 22, 11:33 PM CSTTornado WarningILXVermilion32 min
Mar 27, 7:45 AM CSTTornado WarningLOTCook, Lake30 min
Mar 27, 1:46 PM CSTTornado WarningILXOgle, Winnebago44 min
Mar 27, 2:30 PM CSTTornado WarningILXLee, Ogle30 min
Mar 27, 2:30 PM CSTTornado WarningILXBoone, Winnebago30 min
Mar 27, 2:32 PM CSTTornado WarningLOTLaSalle28 min
Mar 27, 3:00 PM CSTTornado WarningLOTGrundy, Kendall, LaSalle45 min
Mar 27, 3:33 PM CSTTornado WarningLOTDuPage, Will42 min
Mar 27, 3:53 PM CSTTornado WarningLOTGrundy, Kendall, LaSalle52 min
Mar 27, 4:07 PM CSTTornado WarningLOTCook28 min
Mar 27, 4:09 PM CSTTornado WarningLOTKankakee, Will36 min
Apr 29, 7:04 PM CDTTornado WarningILXMcLean, Woodford26 min
Apr 29, 7:29 PM CDTTornado WarningLOTLaSalle61 min
Apr 29, 7:33 PM CDTTornado WarningILXMcLean, Woodford27 min
Apr 29, 7:41 PM CDTTornado WarningILXDeKalb, Lee34 min
Apr 29, 7:58 PM CDTTornado WarningILXBoone32 min
Apr 29, 8:02 PM CDTTornado WarningILXMcLean58 min
Apr 29, 8:03 PM CDTTornado WarningLOTGrundy, Kendall57 min
Apr 29, 8:03 PM CDTTornado WarningLOTKane57 min
Apr 29, 8:31 PM CDTTornado WarningILXDeWitt, Piatt44 min
Apr 29, 8:37 PM CDTTornado WarningLOTMcHenry68 min
May 5, 5:25 PM CDTTornado WarningLOTCook, DuPage50 min
May 5, 5:37 PM CDTTornado WarningLOTLake53 min
May 10, 4:10 PM CDTTornado WarningLSXSaint Clair, Washington41 min
May 14, 10:38 AM CDTTornado WarningILXTazewell67 min
May 14, 11:12 AM CDTTornado WarningILXDeWitt, Macon63 min
May 14, 11:14 AM CDTTornado WarningILXMcLean61 min
May 14, 12:15 PM CDTTornado WarningILXMcLean35 min
May 14, 1:20 PM CDTTornado WarningILXColes, Douglas, Moultrie25 min
May 14, 2:00 PM CDTTornado WarningILXColes, Douglas, Edgar45 min
May 14, 2:48 PM CDTTornado WarningILXClark27 min
May 16, 2:17 PM CDTTornado WarningILXChampaign28 min
May 16, 2:19 PM CDTTornado WarningILXMcLean26 min
May 16, 2:51 PM CDTTornado WarningILXMcLean54 min
May 17, 4:48 PM CDTTornado WarningDVNRock Island27 min
May 17, 5:02 PM CDTTornado WarningDVNRock Island28 min
May 17, 8:11 PM CDTTornado WarningILXFulton, Knox, Peoria64 min
May 17, 8:50 PM CDTTornado WarningILXFulton, Peoria55 min
May 17, 10:48 PM CDTTornado WarningILXMacon42 min
May 17, 11:09 PM CDTTornado WarningILXMason66 min
May 18, 3:34 PM CDTTornado WarningLSXAdams, Brown, Pike56 min
May 22, 6:15 PM CDTTornado WarningLOTWill45 min
May 22, 6:33 PM CDTTornado WarningLOTCook, DuPage42 min
May 23, 5:36 PM CDTTornado WarningLOTDuPage39 min
May 31, 3:27 PM CDTTornado WarningDVNHenry, Rock Island33 min
May 31, 7:44 PM CDTTornado WarningILXMcLean31 min
Jun 1, 9:14 PM CDTTornado WarningILXDeKalb31 min
Jun 15, 7:34 PM CDTTornado WarningLSXBond, Madison41 min
Jul 5, 7:03 PM CDTTornado WarningILXDouglas, Moultrie, Piatt27 min
Jul 7, 4:03 PM CDTTornado WarningILXBoone19 min
Jul 7, 5:06 PM CDTTornado WarningLOTWill54 min
Jul 10, 4:32 PM CDTTornado WarningILXMacon, Moultrie28 min
Aug 3, 6:56 PM CDTTornado WarningINDLawrence, Richland34 min
Aug 31, 6:02 PM CDTTornado WarningINDWabash28 min
Oct 4, 6:13 PM CDTTornado WarningILXMcLean, Tazewell32 min
Oct 4, 6:50 PM CDTTornado WarningILXMcLean25 min
Oct 24, 6:12 PM CDTTornado WarningILXCarroll, Stephenson33 min
Dec 8, 3:23 PM CSTTornado WarningILXMcLean37 min
Dec 8, 4:38 PM CSTTornado WarningILXChampaign, Piatt27 min
Dec 12, 2:57 PM CSTTornado WarningILXBureau, Stark33 min

By county

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

10 more counties

The busiest days

Days with the most alerts issued, by UTC date.

  1. March 27, 199110tornado warnings
  2. April 30, 199110tornado warnings
  3. May 14, 19917tornado warnings
  4. May 18, 19915tornado warnings
  5. March 23, 19913tornado warnings
  6. May 16, 19913tornado warnings
  7. May 5, 19912tornado warnings
  8. May 17, 19912tornado warnings
  9. May 22, 19912tornado warnings
  10. July 7, 19912tornado warnings
  11. October 4, 19912tornado warnings
  12. December 8, 19912tornado warnings

Nearby

Alerts in force nowTornadoes on recordThe radar archive19901992

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.