Alert archive / Illinois / Tornado Warnings

Tornado Warnings in Illinois, 2015

95 tornado warnings in 2015. 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 2015. Tap one for its archive.

Tornado Warnings
95
Busiest month
June37 tornado warnings
Busiest day
June 23, 201514 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
Apr 9, 1:37 PM CDTTornado WarningILXMarshall, Peoria, Woodford38 min
Apr 9, 5:49 PM CDTTornado Warning Tornado observedConsiderable damage threatDVNCarroll, Whiteside26 min
Apr 9, 6:09 PM CDTTornado WarningLOTBoone, DeKalb, Ogle, Winnebago36 min
Apr 9, 6:10 PM CDTTornado WarningDVNCarroll20 min
Apr 9, 6:35 PM CDTTornado WarningLOTLee, Ogle25 min
Apr 9, 6:37 PM CDTTornado WarningLOTBoone, Winnebago23 min
Apr 9, 6:56 PM CDTTornado WarningLOTBoone, McHenry34 min
Apr 9, 6:58 PM CDTTornado Warning Tornado observedConsiderable damage threatLOTBoone, DeKalb, Ogle, Winnebago47 min
Apr 9, 7:04 PM CDTTornado WarningLSXMacoupin, Montgomery26 min
Apr 9, 7:05 PM CDTTornado WarningLOTBoone, Ogle, Winnebago40 min
Apr 9, 7:16 PM CDTTornado Warning Tornado observedConsiderable damage threatLOTBoone, DeKalb, McHenry29 min
Apr 9, 7:19 PM CDTTornado WarningLOTMcHenry26 min
Apr 9, 7:24 PM CDTTornado WarningILXChristian, Sangamon21 min
Apr 9, 7:26 PM CDTTornado WarningLSXMacoupin, Montgomery34 min
Apr 9, 7:32 PM CDTTornado WarningILXMarshall, Peoria, Woodford28 min
Apr 9, 7:41 PM CDTTornado WarningILXChristian, Macon34 min
Apr 9, 7:41 PM CDTTornado Warning Tornado observedConsiderable damage threatLOTMcHenry49 min
Apr 9, 7:51 PM CDTTornado WarningLOTLaSalle39 min
Apr 9, 8:13 PM CDTTornado WarningILXChristian, Macon, Moultrie, Shelby32 min
Apr 9, 8:23 PM CDTTornado WarningLSXFayette14 min
May 24, 7:04 PM CDTTornado Warning Tornado observedDVNMercer, Rock Island26 min
May 24, 8:52 PM CDTTornado WarningLSXSaint Clair23 min
Jun 7, 9:35 PM CDTTornado WarningILXChampaign, Douglas25 min
Jun 7, 9:39 PM CDTTornado WarningILXChampaign, Vermilion36 min
Jun 7, 9:57 PM CDTTornado WarningILXEdgar32 min
Jun 7, 10:12 PM CDTTornado WarningILXClark, Coles, Edgar33 min
Jun 10, 6:50 PM CDTTornado WarningILXMarshall25 min
Jun 11, 5:32 PM CDTTornado WarningDVNHenry, Mercer, Rock Island28 min
Jun 13, 7:16 PM CDTTornado WarningLSXCalhoun29 min
Jun 15, 4:50 PM CDTTornado WarningLOTCook25 min
Jun 15, 7:33 PM CDTTornado WarningLOTWill27 min
Jun 15, 7:42 PM CDTTornado Warning Tornado observedLOTKankakee, Will23 min
Jun 19, 3:53 PM CDTTornado WarningPAHJohnson, Williamson22 min
Jun 19, 4:45 PM CDTTornado WarningILXClay, Jasper, Richland45 min
Jun 19, 5:13 PM CDTTornado WarningILXJasper, Richland47 min
Jun 19, 5:40 PM CDTTornado WarningPAHFranklin, Hamilton, Jefferson20 min
Jun 19, 6:00 PM CDTTornado WarningPAHFranklin, Jefferson, Perry30 min
Jun 22, 6:52 PM CDTTornado WarningDVNWhiteside23 min
Jun 22, 6:56 PM CDTTornado WarningDVNWhiteside34 min
Jun 22, 7:03 PM CDTTornado WarningLOTLee57 min
Jun 22, 7:16 PM CDTTornado WarningDVNWhiteside14 min
Jun 22, 7:19 PM CDTTornado WarningDVNMercer, Rock Island15 min
Jun 22, 7:35 PM CDTTornado WarningLOTLee40 min
Jun 22, 8:03 PM CDTTornado WarningLOTLaSalle, Lee42 min
Jun 22, 8:07 PM CDTTornado WarningDVNHenry53 min
Jun 22, 8:38 PM CDTTornado Warning Tornado observedLOTLaSalle37 min
Jun 22, 8:40 PM CDTTornado WarningILXStark33 min
Jun 22, 9:06 PM CDTTornado Warning Tornado observedLOTGrundy, LaSalle39 min
Jun 22, 9:28 PM CDTTornado WarningLOTGrundy47 min
Jun 22, 9:53 PM CDTTornado Warning Tornado observedLOTGrundy, Kankakee, Will32 min
Jun 22, 10:12 PM CDTTornado WarningLOTKankakee18 min
Jun 22, 11:23 PM CDTTornado WarningLOTFord, Iroquois, Kankakee, Livingston37 min
Jun 22, 11:43 PM CDTTornado WarningLOTIroquois, Kankakee26 min
Jun 28, 4:04 PM CDTTornado WarningLSXPike26 min
Jun 28, 4:37 PM CDTTornado WarningLSXPike23 min
Jun 28, 6:29 PM CDTTornado Warning Tornado observedLSXCalhoun31 min
Jun 28, 8:26 PM CDTTornado WarningLSXMadison10 min
Jun 29, 4:57 PM CDTTornado WarningLOTLee33 min
Jun 29, 5:30 PM CDTTornado WarningLOTLaSalle, Lee23 min
Jul 8, 7:02 PM CDTTornado WarningLSXMonroe28 min
Jul 8, 8:42 PM CDTTornado WarningPAHAlexander18 min
Jul 9, 6:31 PM CDTTornado WarningPAHAlexander29 min
Jul 11, 5:52 PM CDTTornado WarningLSXGreene23 min
Jul 16, 5:45 PM CDTTornado WarningDVNHenderson45 min
Jul 16, 6:35 PM CDTTornado WarningDVNHenderson, Warren55 min
Jul 16, 6:57 PM CDTTornado WarningDVNRock Island, Whiteside36 min
Jul 16, 7:05 PM CDTTornado Warning Tornado observedDVNWarren40 min
Jul 16, 7:25 PM CDTTornado Warning Tornado observedILXKnox50 min
Jul 16, 7:44 PM CDTTornado WarningDVNWarren20 min
Jul 16, 9:00 PM CDTTornado WarningILXFulton, Peoria30 min
Jul 16, 9:02 PM CDTTornado WarningILXFulton28 min
Jul 18, 2:19 PM CDTTornado WarningLOTMcHenry27 min
Jul 20, 7:23 PM CDTTornado WarningPAHUnion37 min
Jul 20, 7:42 PM CDTTornado WarningPAHAlexander, Union33 min
Aug 2, 8:45 PM CDTTornado WarningLOTLake20 min
Aug 18, 4:18 PM CDTTornado WarningLOTLivingston42 min
Aug 18, 5:07 PM CDTTornado Warning Tornado observedLOTLivingston38 min
Aug 18, 6:07 PM CDTTornado WarningILXMcLean, Tazewell, Woodford23 min
Aug 18, 7:15 PM CDTTornado WarningLOTWill30 min
Aug 18, 8:05 PM CDTTornado WarningLOTDuPage25 min
Sep 10, 4:56 PM CDTTornado Warning Tornado observedILXCass, Mason, Menard34 min
Sep 18, 4:44 PM CDTTornado WarningLOTCook, Will31 min
Sep 18, 8:32 PM CDTTornado WarningLOTIroquois43 min
Dec 23, 10:50 AM CSTTornado WarningLOTFord, Iroquois, Livingston25 min
Dec 23, 11:08 AM CSTTornado WarningPAHJackson, Perry37 min
Dec 23, 11:53 AM CSTTornado WarningPAHJohnson18 min
Dec 23, 12:08 PM CSTTornado WarningPAHPope37 min
Dec 23, 12:25 PM CSTTornado WarningPAHEdwards, Wayne23 min
Dec 23, 2:56 PM CSTTornado WarningPAHJohnson, Pope16 min
Dec 23, 3:51 PM CSTTornado WarningLSXPike24 min
Dec 23, 4:11 PM CSTTornado WarningLSXPike13 min
Dec 23, 4:16 PM CSTTornado WarningILXCass, Morgan, Scott29 min
Dec 23, 4:19 PM CSTTornado Warning Tornado observedDVNMcDonough, Warren26 min
Dec 23, 4:45 PM CSTTornado WarningDVNRock Island30 min
Dec 23, 5:08 PM CSTTornado WarningILXKnox20 min

By county

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

32 more counties

The busiest days

Days with the most alerts issued, by UTC date.

  1. June 23, 201514tornado warnings
  2. April 10, 201512tornado warnings
  3. December 23, 201512tornado warnings
  4. April 9, 20158tornado warnings
  5. June 19, 20155tornado warnings
  6. July 17, 20155tornado warnings
  7. June 8, 20154tornado warnings
  8. June 28, 20153tornado warnings
  9. June 29, 20153tornado warnings
  10. July 9, 20153tornado warnings
  11. July 16, 20153tornado warnings
  12. August 18, 20153tornado warnings

Nearby

Alerts in force nowTornadoes on recordThe radar archive20142016

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.