Alert archive / Illinois / Cass County

Weather alerts in Cass County, Illinois, 2026

128 weather alerts in 2026, 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 in 2026. Tap one for its archive.

Alerts
128
Warnings
42
Watches
21
Advisories
34
Busiest month
June37 alerts
Busiest day
June 11, 202613 alerts

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
Jan 7, 2:35 AM CSTDense Fog AdvisoryILX9 hr
Jan 18, 2:07 AM CSTCold Weather AdvisoryILX34 hr
Jan 22, 2:19 AM CSTCold Weather AdvisoryILX58 hr
Jan 23, 2:17 AM CSTWinter Storm WarningILX64 hr
Jan 24, 1:47 PM CSTCold Weather AdvisoryILX46 hr
Feb 17, 1:40 PM CSTWind AdvisoryILX11 hr
Feb 19, 1:51 PM CSTWind AdvisoryILX19 hr
Feb 26, 1:51 PM CSTFire Weather WatchILX12 hr
Feb 27, 1:22 AM CSTRed Flag WarningILX17 hr
Mar 3, 3:57 PM CSTSevere Thunderstorm WarningILX48 min
Mar 4, 7:09 PM CSTDense Fog AdvisoryILX14 hr
Mar 5, 9:28 PM CSTDense Fog AdvisoryILX12 hr
Mar 6, 4:21 PM CSTAreal Flood AdvisoryILX103 min
Mar 10, 3:57 PM CDTTornado WatchSPC10 hr
Mar 10, 10:01 PM CDTMesoscale DiscussionSPC89 min
Mar 10, 11:38 PM CDTSevere Thunderstorm WarningILX52 min
Mar 11, 1:59 AM CDTMesoscale DiscussionSPC91 min
Mar 12, 2:22 AM CDTWind AdvisoryILX38 hr
Mar 14, 11:32 AM CDTWind AdvisoryILX48 hr
Mar 15, 8:17 AM CDTSevere Thunderstorm WarningILX28 min
Mar 15, 10:39 AM CDTWinter Weather AdvisoryILX37 hr
Mar 15, 3:43 PM CDTTornado WatchSPC5 hr
Mar 26, 2:48 PM CDTMesoscale DiscussionSPC117 min
Mar 26, 4:15 PM CDTSevere Thunderstorm WatchSPC8 hr
Mar 26, 5:19 PM CDTBlowing Dust AdvisoryILX4 hr
Mar 26, 7:21 PM CDTMesoscale DiscussionSPC54 min
Mar 26, 10:27 PM CDTMesoscale DiscussionSPC63 min
Mar 31, 2:44 PM CDTMesoscale DiscussionSPC3 hr
Apr 1, 12:18 PM CDTWind AdvisoryILX31 hr
Apr 2, 1:43 PM CDTTornado WatchSPC8 hr
Apr 2, 5:39 PM CDTMesoscale DiscussionSPC2 hr
Apr 3, 1:26 PM CDTMesoscale DiscussionSPC2 hr
Apr 3, 4:59 PM CDTMesoscale DiscussionSPC2 hr
Apr 3, 5:18 PM CDTTornado WatchSPC4 hr
Apr 3, 5:24 PM CDTSevere Thunderstorm WarningILX22 min
Apr 3, 11:52 PM CDTRiver Flood WarningILX39 days
Apr 3, 11:53 PM CDTRiver Flood WarningILX38 days
Apr 12, 3:34 PM CDTBlowing Dust AdvisoryILX3 hr
Apr 14, 1:55 PM CDTMesoscale DiscussionSPC2 hr
Apr 17, 1:04 PM CDTFlood WatchILX15 hr
Apr 17, 3:04 PM CDTMesoscale DiscussionSPC56 min
Apr 17, 3:31 PM CDTTornado WatchSPC8 hr
Apr 17, 4:11 PM CDTSevere Thunderstorm WarningILX34 min
Apr 17, 4:45 PM CDTSevere Thunderstorm WarningILX45 min
Apr 17, 7:26 PM CDTSevere Thunderstorm Warning Considerable damage threatILX34 min
Apr 17, 7:58 PM CDTSevere Thunderstorm Warning Considerable damage threatILX49 min
Apr 17, 8:09 PM CDTMesoscale DiscussionSPC2 hr
Apr 17, 8:16 PM CDTSevere Thunderstorm Warning Considerable damage threatILX59 min
Apr 18, 1:48 PM CDTFrost AdvisoryILX18 hr
Apr 19, 1:28 AM CDTFrost AdvisoryILX31 hr
Apr 27, 8:31 AM CDTSevere Thunderstorm WatchSPC5 hr
Apr 27, 9:09 AM CDTSevere Thunderstorm Warning Considerable damage threatILX51 min
Apr 27, 9:53 AM CDTSevere Thunderstorm Warning Considerable damage threatILX37 min
Apr 27, 4:41 PM CDTTornado WatchSPC6 hr
Apr 27, 4:57 PM CDTSevere Thunderstorm WarningILX48 min
Apr 27, 5:18 PM CDTTornado WarningILX42 min
Apr 27, 5:48 PM CDTSevere Thunderstorm WarningILX42 min
Apr 27, 5:50 PM CDTFlash Flood WarningILX2 hr
May 3, 1:33 PM CDTBlowing Dust AdvisoryILX5 hr
May 3, 8:49 PM CDTMesoscale DiscussionSPC116 min
May 4, 2:37 AM CDTBlowing Dust AdvisoryILX16 hr
May 4, 10:10 PM CDTSevere Thunderstorm WarningILX35 min
May 4, 10:40 PM CDTSevere Thunderstorm WarningILX35 min
May 9, 2:03 AM CDTDense Fog AdvisoryILX6 hr
May 12, 1:43 AM CDTBlowing Dust AdvisoryILX17 hr
May 17, 5:40 PM CDTBlowing Dust AdvisoryILX2 hr
May 18, 6:51 AM CDTMesoscale DiscussionSPC84 min
May 18, 8:40 AM CDTMesoscale DiscussionSPC2 hr
Jun 8, 1:37 AM CDTFlood WatchILX23 hr
Jun 10, 11:05 AM CDTFlood WatchILX17 hr
Jun 10, 2:03 PM CDTSevere Thunderstorm WarningILX27 min
Jun 10, 2:06 PM CDTMesoscale DiscussionSPC54 min
Jun 10, 2:40 PM CDTSevere Thunderstorm WatchSPC4 hr
Jun 10, 3:06 PM CDTSevere Thunderstorm WarningILX39 min
Jun 10, 6:35 PM CDTMesoscale DiscussionSPC55 min
Jun 10, 7:06 PM CDTTornado WatchSPC4 hr
Jun 10, 8:24 PM CDTSevere Thunderstorm WatchSPC6 hr
Jun 11, 9:53 AM CDTMesoscale DiscussionSPC97 min
Jun 11, 11:37 AM CDTRiver Flood WarningILX37 days
Jun 11, 11:38 AM CDTRiver Flood WarningILX38 days
Jun 11, 11:39 AM CDTFlood WatchILX9 hr
Jun 11, 12:22 PM CDTMesoscale DiscussionSPC83 min
Jun 11, 1:57 PM CDTTornado WatchSPC7 hr
Jun 11, 3:07 PM CDTMesoscale DiscussionSPC113 min
Jun 11, 5:51 PM CDTSevere Thunderstorm Warning Considerable damage threatILX39 min
Jun 11, 5:59 PM CDTTornado WarningILX31 min
Jun 11, 6:14 PM CDTMesoscale DiscussionSPC91 min
Jun 11, 6:30 PM CDTSevere Thunderstorm Warning Considerable damage threatILX45 min
Jun 11, 7:01 PM CDTFlash Flood WarningILX4 hr
Jun 13, 2:28 PM CDTAreal Flood AdvisoryILX3 hr
Jun 16, 12:28 PM CDTWind AdvisoryILX30 hr
Jun 17, 7:49 AM CDTTornado WatchSPC6 hr
Jun 17, 8:16 AM CDTMesoscale DiscussionSPC59 min
Jun 17, 1:03 PM CDTMesoscale DiscussionSPC117 min
Jun 17, 2:14 PM CDTTornado WatchSPC11 hr
Jun 17, 3:50 PM CDTSevere Thunderstorm WarningILX55 min
Jun 17, 3:57 PM CDTSevere Thunderstorm WarningILX63 min
Jun 17, 4:00 PM CDTMesoscale DiscussionSPC60 min
Jun 17, 4:29 PM CDTSevere Thunderstorm WarningILX61 min
Jun 17, 5:18 PM CDTSevere Thunderstorm WarningILX38 min
Jun 20, 1:45 AM CDTFlood WatchILX45 hr
Jun 20, 7:14 PM CDTRiver Flood WarningILX49 hr
Jun 27, 11:14 AM CDTHeat AdvisoryILX32 hr
Jun 28, 2:13 AM CDTHeat AdvisoryILX46 hr
Jun 30, 12:23 AM CDTExtreme Heat WarningILX4 days
Jul 2, 11:44 PM CDTHeat AdvisoryILX43 hr
Jul 20, 5:38 PM CDTSevere Thunderstorm WatchSPC5 hr
Jul 20, 9:09 PM CDTSevere Thunderstorm Warning Considerable damage threatILX50 min
Jul 24, 1:31 PM CDTHeat AdvisoryILX61 hr
Jul 26, 12:23 AM CDTExtreme Heat WarningILX45 hr
Jul 26, 1:52 PM CDTMesoscale DiscussionSPC2 hr
Aug 9, 2:03 AM CDTHeat AdvisoryILX17 hr
Aug 9, 2:03 AM CDTHeat AdvisoryILX41 hr
Aug 10, 2:34 PM CDTHeat AdvisoryILX29 hr
Aug 12, 1:59 AM CDTHeat AdvisoryILX18 hr
Aug 12, 12:12 PM CDTMesoscale DiscussionSPC63 min
Aug 13, 11:03 PM CDTMesoscale DiscussionSPC117 min
Aug 14, 10:00 AM CDTFlash Flood WarningILX4 hr
Aug 14, 11:42 PM CDTMesoscale DiscussionSPC2 hr
Aug 15, 3:43 AM CDTSevere Thunderstorm WarningILX62 min
Aug 15, 10:11 AM CDTRiver Flood WarningILX13 days
Aug 15, 10:12 AM CDTRiver Flood WarningILX14 days
Aug 16, 12:12 PM CDTMesoscale DiscussionSPC93 min
Aug 21, 11:43 PM CDTMesoscale DiscussionSPC92 min
Aug 30, 12:23 PM CDTHeat AdvisoryILX71 hr
Sep 2, 11:14 AM CDTExtreme Heat WarningILX3 days
Sep 10, 9:58 PM CDTDense Fog AdvisoryILX11 hr
Sep 15, 2:35 PM CDTMesoscale DiscussionSPC115 min

By product

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

ProductAlerts
Severe storms
Severe Thunderstorm Warning25
Tornado Warning2
Severe Thunderstorm Watch5
Tornado Watch10
Mesoscale Discussion31
Flooding
Flash Flood Warning3
River Flood Warning7
Flood Watch5
Areal Flood Advisory2
Winter
Winter Storm Warning1
Winter Weather Advisory1
Heat
Extreme Heat Warning3
Heat Advisory9
Cold
Cold Weather Advisory3
Frost Advisory2
Wind and dust
Blowing Dust Advisory6
Wind Advisory6
Fire
Red Flag Warning1
Fire Weather Watch1
Fog and smoke
Dense Fog Advisory5

The busiest days

Days with the most alerts issued, by UTC date.

  1. June 11, 202613alerts
  2. June 17, 20269alerts
  3. April 27, 20268alerts
  4. June 10, 20266alerts
  5. April 17, 20265alerts
  6. April 18, 20265alerts
  7. April 3, 20264alerts
  8. August 15, 20264alerts
  9. March 11, 20263alerts
  10. March 15, 20263alerts

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. Rebuilt daily.