Alert archive / Illinois / Cass County / Severe Thunderstorm Warnings

Severe Thunderstorm Warnings in Cass County, Illinois, 2026

25 severe thunderstorm warnings in 2026. An alert counts here when it covered this county. The archive of severe thunderstorm warnings reaches back to 1986.

Cass County and its neighbors

Each county as a circle sized by its count in 2026. Tap one for its archive.

Severe Thunderstorm Warnings
25
Busiest month
April10 severe thunderstorm warnings
Busiest day
April 27, 20264 severe thunderstorm 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.

IssuedProductOfficeLasted
Mar 3, 3:57 PM CSTSevere Thunderstorm WarningILX48 min
Mar 10, 11:38 PM CDTSevere Thunderstorm WarningILX52 min
Mar 15, 8:17 AM CDTSevere Thunderstorm WarningILX28 min
Apr 3, 5:24 PM CDTSevere Thunderstorm WarningILX22 min
Apr 17, 4:11 PM CDTSevere Thunderstorm WarningILX34 min
Apr 17, 4:45 PM CDTSevere Thunderstorm WarningILX45 min
Apr 17, 7:26 PM CDTSevere Thunderstorm Warning Considerable damage threatILX34 min
Apr 17, 7:58 PM CDTSevere Thunderstorm Warning Considerable damage threatILX49 min
Apr 17, 8:16 PM CDTSevere Thunderstorm Warning Considerable damage threatILX59 min
Apr 27, 9:09 AM CDTSevere Thunderstorm Warning Considerable damage threatILX51 min
Apr 27, 9:53 AM CDTSevere Thunderstorm Warning Considerable damage threatILX37 min
Apr 27, 4:57 PM CDTSevere Thunderstorm WarningILX48 min
Apr 27, 5:48 PM CDTSevere Thunderstorm WarningILX42 min
May 4, 10:10 PM CDTSevere Thunderstorm WarningILX35 min
May 4, 10:40 PM CDTSevere Thunderstorm WarningILX35 min
Jun 10, 2:03 PM CDTSevere Thunderstorm WarningILX27 min
Jun 10, 3:06 PM CDTSevere Thunderstorm WarningILX39 min
Jun 11, 5:51 PM CDTSevere Thunderstorm Warning Considerable damage threatILX39 min
Jun 11, 6:30 PM CDTSevere Thunderstorm Warning Considerable damage threatILX45 min
Jun 17, 3:50 PM CDTSevere Thunderstorm WarningILX55 min
Jun 17, 3:57 PM CDTSevere Thunderstorm WarningILX63 min
Jun 17, 4:29 PM CDTSevere Thunderstorm WarningILX61 min
Jun 17, 5:18 PM CDTSevere Thunderstorm WarningILX38 min
Jul 20, 9:09 PM CDTSevere Thunderstorm Warning Considerable damage threatILX50 min
Aug 15, 3:43 AM CDTSevere Thunderstorm WarningILX62 min

The busiest days

Days with the most alerts issued, by UTC date.

  1. April 27, 20264severe thunderstorm warnings
  2. June 17, 20264severe thunderstorm warnings
  3. April 18, 20263severe thunderstorm warnings
  4. April 17, 20262severe thunderstorm warnings
  5. May 5, 20262severe thunderstorm warnings
  6. June 10, 20262severe thunderstorm warnings
  7. June 11, 20262severe thunderstorm warnings
  8. March 3, 20261severe thunderstorm warnings
  9. March 11, 20261severe thunderstorm warnings
  10. March 15, 20261severe thunderstorm warnings

Nearby

Alerts in force nowTornadoes on recordForecastThe radar archive2025

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.