Alert archive / Illinois / Tornado Warnings

Tornado Warnings in Illinois, 1987

29 tornado warnings in 1987. 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 1987. Tap one for its archive.

Tornado Warnings
29
Busiest month
June11 tornado warnings
Busiest day
April 11, 19875 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 11, 3:51 PM CDTTornado WarningILXPeoria, Woodford69 min
Apr 11, 4:27 PM CDTTornado WarningILXDeWitt, Logan33 min
Apr 11, 4:42 PM CDTTornado WarningILXMacon, Piatt33 min
Apr 11, 4:42 PM CDTTornado WarningILXChampaign33 min
Apr 11, 5:10 PM CDTTornado WarningILXChampaign, Piatt35 min
Apr 13, 10:42 AM CDTTornado WarningILXChristian18 min
May 18, 12:16 PM CDTTornado WarningILXDeWitt29 min
May 18, 6:41 PM CDTTornado WarningDVNHenry34 min
May 20, 6:34 PM CDTTornado WarningILXWoodford51 min
May 21, 8:27 PM CDTTornado WarningILXFulton, McDonough63 min
May 21, 9:23 PM CDTTornado WarningILXPeoria27 min
May 21, 10:24 PM CDTTornado WarningILXMacon, Piatt26 min
May 21, 10:44 PM CDTTornado WarningILXMcLean41 min
Jun 1, 1:50 PM CDTTornado WarningILXVermilion25 min
Jun 1, 2:21 PM CDTTornado WarningILXVermilion24 min
Jun 2, 2:00 PM CDTTornado WarningILXChampaign, Vermilion30 min
Jun 2, 2:10 PM CDTTornado WarningILXTazewell65 min
Jun 2, 2:33 PM CDTTornado WarningILXVermilion27 min
Jun 2, 2:35 PM CDTTornado WarningILXMcLean55 min
Jun 11, 8:42 PM CDTTornado WarningLOTCook, DuPage48 min
Jun 12, 3:32 PM CDTTornado WarningILXClark28 min
Jun 13, 3:28 PM CDTTornado WarningILXEdgar32 min
Jun 28, 5:15 PM CDTTornado WarningPAHJackson30 min
Jun 29, 2:43 PM CDTTornado WarningILXMcLean47 min
Jul 6, 12:21 AM CDTTornado WarningILXClark, Cumberland24 min
Jul 6, 5:05 PM CDTTornado WarningILXKnox, Peoria55 min
Aug 8, 4:28 PM CDTTornado WarningDVNMercer, Rock Island62 min
Aug 8, 8:04 PM CDTTornado WarningILXChristian, Sangamon26 min
Aug 21, 6:24 AM CDTTornado WarningILXWoodford31 min

By county

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

The busiest days

Days with the most alerts issued, by UTC date.

  1. April 11, 19875tornado warnings
  2. May 22, 19874tornado warnings
  3. June 2, 19874tornado warnings
  4. May 18, 19872tornado warnings
  5. June 1, 19872tornado warnings
  6. June 12, 19872tornado warnings
  7. July 6, 19872tornado warnings
  8. April 13, 19871tornado warnings
  9. May 20, 19871tornado warnings
  10. June 13, 19871tornado warnings
  11. June 28, 19871tornado warnings
  12. June 29, 19871tornado warnings

Nearby

Alerts in force nowTornadoes on recordThe radar archive19861988

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.