Alert archive / Illinois / Marion County / Severe Thunderstorm Warnings

Severe Thunderstorm Warnings in Marion County, Illinois, 2026

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

Marion County and its neighbors

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

Severe Thunderstorm Warnings
14
Busiest month
April4 severe thunderstorm warnings
Busiest day
April 28, 20262 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 11, 5:26 AM CDTSevere Thunderstorm WarningLSX49 min
Mar 15, 6:23 PM CDTSevere Thunderstorm Warning Considerable damage threatLSX58 min
Mar 22, 7:48 PM CDTSevere Thunderstorm WarningLSX27 min
Apr 15, 11:18 PM CDTSevere Thunderstorm WarningLSX22 min
Apr 27, 7:03 AM CDTSevere Thunderstorm WarningLSX57 min
Apr 27, 7:50 PM CDTSevere Thunderstorm WarningLSX55 min
Apr 27, 8:30 PM CDTSevere Thunderstorm Warning Considerable damage threatLSX37 min
May 4, 7:10 PM CDTSevere Thunderstorm Warning Considerable damage threatLSX80 min
May 16, 3:36 PM CDTSevere Thunderstorm WarningLSX39 min
May 16, 4:03 PM CDTSevere Thunderstorm WarningLSX57 min
Jun 21, 5:35 PM CDTSevere Thunderstorm WarningLSX70 min
Jul 26, 5:06 PM CDTSevere Thunderstorm WarningLSX39 min
Jul 26, 5:39 PM CDTSevere Thunderstorm WarningLSX24 min
Aug 22, 2:38 AM CDTSevere Thunderstorm WarningLSX67 min

The busiest days

Days with the most alerts issued, by UTC date.

  1. April 28, 20262severe thunderstorm warnings
  2. May 16, 20262severe thunderstorm warnings
  3. July 26, 20262severe thunderstorm warnings
  4. March 11, 20261severe thunderstorm warnings
  5. March 15, 20261severe thunderstorm warnings
  6. March 23, 20261severe thunderstorm warnings
  7. April 16, 20261severe thunderstorm warnings
  8. April 27, 20261severe thunderstorm warnings
  9. May 5, 20261severe thunderstorm warnings
  10. June 21, 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. Warning verification from the Mesonet's Cow. Rebuilt daily.