Alert archive / Illinois

Weather alerts in Clark County, Illinois

2,891 weather alerts since 1986, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.

Clark County and its neighbors

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

Alerts
2,891
Warnings
822
Watches
546
Advisories
613
Busiest year
2010165 alerts
Average year
71over 41 years on file

Over time

By year

Before late 2005 the archive holds only tornado, severe thunderstorm, flash flood and marine warnings, and from 1997 SPC's watches, so the jump that year is the archive widening, not the weather.

By month of the year

By product

Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.

The latest warnings

The most recent on file, newest first.

IssuedProductOfficeLasted
Sep 2, 11:14 AM CDTExtreme Heat WarningILX3 days
Aug 16, 3:25 PM CDTSevere Thunderstorm WarningILX50 min
Aug 14, 8:14 AM CDTFlash Flood WarningILX3 hr
Aug 13, 11:22 AM CDTRiver Flood WarningIND14 days
Aug 11, 5:30 PM CDTSevere Thunderstorm WarningILX45 min
Aug 11, 4:22 PM CDTSevere Thunderstorm WarningILX38 min
Jul 27, 7:03 PM CDTSevere Thunderstorm WarningILX57 min
Jul 27, 6:59 PM CDTFlash Flood WarningILX3 hr
Jul 27, 6:42 PM CDTSevere Thunderstorm WarningILX48 min
Jul 27, 6:13 PM CDTSevere Thunderstorm WarningILX62 min
Jul 26, 12:23 AM CDTExtreme Heat WarningILX45 hr
Jul 11, 1:08 AM CDTFlash Flood WarningILX3 hr

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.