Alert archive / Illinois / Lee County

Severe Thunderstorm Warnings in Lee County, Illinois

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

Lee County and its neighbors

Each county as a circle sized by its count since 1986. Tap one for its archive.

Severe Thunderstorm Warnings
459
Busiest year
200834 severe thunderstorm warnings
Average year
11over 41 years on file

Over time

By year

Before October 2007 these were issued for whole counties, and a storm crossing three counties was often three warnings; since then one polygon follows the storm. The count changed with the practice, not only with the weather.

The latest severe thunderstorm warnings

The most recent on file, newest first.

IssuedProductOfficeLasted
Aug 21, 5:44 PM CDTSevere Thunderstorm WarningLOT46 min
Aug 21, 4:55 PM CDTSevere Thunderstorm WarningLOT40 min
Aug 21, 4:13 PM CDTSevere Thunderstorm WarningLOT40 min
Aug 12, 8:31 AM CDTSevere Thunderstorm WarningLOT57 min
Aug 12, 7:53 AM CDTSevere Thunderstorm WarningLOT66 min
Aug 11, 8:45 AM CDTSevere Thunderstorm Warning Considerable damage threatLOT90 min
Aug 9, 9:39 PM CDTSevere Thunderstorm WarningLOT66 min
Aug 9, 8:41 PM CDTSevere Thunderstorm WarningLOT64 min
Jul 4, 1:45 PM CDTSevere Thunderstorm WarningLOT26 min
Jul 3, 7:45 PM CDTSevere Thunderstorm WarningLOT60 min
Jul 3, 12:21 PM CDTSevere Thunderstorm WarningLOT54 min
Jun 24, 6:58 PM CDTSevere Thunderstorm WarningLOT52 min

Nearby

Alerts in force nowTornadoes on recordForecastThe radar archive

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.