Alert archive / Illinois / Winnebago County / Severe Thunderstorm Warnings

Severe Thunderstorm Warnings in Winnebago 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.

Winnebago 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
April5 severe thunderstorm warnings
Busiest day
April 15, 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 10, 7:40 PM CDTSevere Thunderstorm WarningLOT65 min
Apr 2, 6:24 PM CDTSevere Thunderstorm Warning Considerable damage threatLOT36 min
Apr 14, 7:59 PM CDTSevere Thunderstorm Warning Considerable damage threatLOT61 min
Apr 14, 8:57 PM CDTSevere Thunderstorm Warning Considerable damage threatLOT48 min
Apr 15, 8:19 PM CDTSevere Thunderstorm WarningLOT24 min
Apr 17, 6:39 PM CDTSevere Thunderstorm WarningLOT81 min
Jun 10, 1:38 PM CDTSevere Thunderstorm WarningLOT67 min
Jun 11, 5:39 PM CDTSevere Thunderstorm WarningLOT51 min
Jun 24, 4:22 PM CDTSevere Thunderstorm WarningLOT38 min
Jun 24, 5:02 PM CDTSevere Thunderstorm WarningLOT43 min
Jul 3, 11:14 AM CDTSevere Thunderstorm WarningLOT61 min
Jul 3, 6:51 PM CDTSevere Thunderstorm WarningLOT54 min
Aug 11, 8:45 AM CDTSevere Thunderstorm Warning Considerable damage threatLOT90 min
Aug 21, 3:45 PM CDTSevere Thunderstorm WarningLOT22 min

The busiest days

Days with the most alerts issued, by UTC date.

  1. April 15, 20262severe thunderstorm warnings
  2. June 24, 20262severe thunderstorm warnings
  3. July 3, 20262severe thunderstorm warnings
  4. March 11, 20261severe thunderstorm warnings
  5. April 2, 20261severe thunderstorm warnings
  6. April 16, 20261severe thunderstorm warnings
  7. April 17, 20261severe thunderstorm warnings
  8. June 10, 20261severe thunderstorm warnings
  9. June 11, 20261severe thunderstorm warnings
  10. August 11, 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.