Tornado Warnings in Clark County, Illinois

66 tornado warnings since 1986. An alert counts here when it covered this county. The archive of tornado warnings reaches back to 1986.

Clark County and its neighbors

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

Tornado Warnings: 66
Busiest year: 202614 tornado warnings
Average year: 3over 23 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 tornado warnings

The most recent on file, newest first.

Issued	Product	Office	Lasted
Jun 21, 4:23 PM CDT	Tornado Warning Tornado observed	ILX	43 min
Jun 21, 3:59 PM CDT	Tornado Warning	ILX	46 min
Jun 17, 8:38 PM CDT	Tornado Warning	ILX	52 min
Jun 17, 8:14 PM CDT	Tornado Warning	ILX	12 min
Jun 17, 7:07 PM CDT	Tornado Warning Tornado observedConsiderable damage threat	ILX	53 min
Jun 17, 6:09 PM CDT	Tornado Warning	ILX	53 min
Apr 27, 8:57 PM CDT	Tornado Warning	ILX	19 min
Apr 27, 8:18 PM CDT	Tornado Warning	ILX	42 min
Mar 15, 7:52 PM CDT	Tornado Warning	ILX	38 min
Feb 19, 4:43 PM CST	Tornado Warning Tornado observed	ILX	17 min
Feb 19, 4:22 PM CST	Tornado Warning	ILX	23 min
Feb 19, 4:10 PM CST	Tornado Warning	ILX	50 min

Nearby

Alerts in force now Tornadoes on record Forecast The 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.