Weather alerts in Cass County, Illinois

2,922 weather alerts since 1986, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.

Cass County and its neighbors

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

Alerts: 2,922
Warnings: 795
Watches: 570
Advisories: 662
Busiest year: 2010198 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.

Product	Alerts
Severe storms
Severe Thunderstorm Warning	399
Tornado Warning	47
Severe Thunderstorm Watch	270
Tornado Watch	151
Mesoscale Discussion	796
Special Weather Statement	99
Flooding
Areal Flood Warning	8
Flash Flood Warning	57
River Flood Warning	159
Flash Flood Watch	53
Flood Watch	32
Areal Flood Advisory	55
Winter
Blizzard Warning	5
Ice Storm Warning	3
Winter Storm Warning	23
Winter Storm Watch	30
Blowing Snow Advisory	3
Freezing Rain Advisory	12
Snow Advisory	7
Snow and Blowing Snow Advisory	2
Winter Weather Advisory	113
Heat
Excessive Heat Warning	16
Extreme Heat Warning	3
Excessive Heat Watch	7
Extreme Heat Watch	1
Heat Advisory	80
Cold
Freeze Warning	51
Hard Freeze Warning	1
Wind Chill Warning	7
Freeze Watch	15
Wind Chill Watch	2
Cold Weather Advisory	9
Frost Advisory	37
Wind Chill Advisory	46
Wind and dust
High Wind Warning	5
High Wind Watch	3
Blowing Dust Advisory	8
Wind Advisory	117
Fire
Red Flag Warning	11
Fire Weather Watch	6
Fog and smoke
Dense Fog Advisory	166
Freezing Fog Advisory	7

The latest warnings

The most recent on file, newest first.

Issued	Product	Office	Lasted
Sep 2, 11:14 AM CDT	Extreme Heat Warning	ILX	3 days
Aug 15, 10:12 AM CDT	River Flood Warning	ILX	14 days
Aug 15, 10:11 AM CDT	River Flood Warning	ILX	13 days
Aug 15, 3:43 AM CDT	Severe Thunderstorm Warning	ILX	62 min
Aug 14, 10:00 AM CDT	Flash Flood Warning	ILX	4 hr
Jul 26, 12:23 AM CDT	Extreme Heat Warning	ILX	45 hr
Jul 20, 9:09 PM CDT	Severe Thunderstorm Warning Considerable damage threat	ILX	50 min
Jun 30, 12:23 AM CDT	Extreme Heat Warning	ILX	4 days
Jun 20, 7:14 PM CDT	River Flood Warning	ILX	49 hr
Jun 17, 5:18 PM CDT	Severe Thunderstorm Warning	ILX	38 min
Jun 17, 4:29 PM CDT	Severe Thunderstorm Warning	ILX	61 min
Jun 17, 3:57 PM CDT	Severe Thunderstorm Warning	ILX	63 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.