Alert archive / Illinois / Marshall County / Mesoscale Discussions

Mesoscale Discussions in Marshall County, Illinois, 2025

21 mesoscale discussions in 2025. An alert counts here when it covered this county. The archive of mesoscale discussions reaches back to 2003.

Marshall County and its neighbors

Each county as a circle sized by its count in 2025. Tap one for its archive.

Mesoscale Discussions
21
Busiest month
July7 mesoscale discussions
Busiest day
July 24, 20252 mesoscale discussions

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
Mar 14, 9:21 PM CDTMesoscale DiscussionSPC84 min
Mar 19, 11:21 AM CDTMesoscale DiscussionSPC2 hr
Apr 2, 9:48 AM CDTMesoscale DiscussionSPC117 min
Apr 18, 2:53 PM CDTMesoscale DiscussionSPC3 hr
Apr 20, 7:46 PM CDTMesoscale DiscussionSPC89 min
May 15, 3:22 PM CDTMesoscale DiscussionSPC113 min
Jun 3, 7:24 PM CDTMesoscale DiscussionSPC96 min
Jul 10, 10:36 PM CDTMesoscale DiscussionSPC114 min
Jul 16, 2:08 PM CDTMesoscale DiscussionSPC2 hr
Jul 19, 7:13 AM CDTMesoscale DiscussionSPC92 min
Jul 24, 2:10 PM CDTMesoscale DiscussionSPC2 hr
Jul 24, 4:39 PM CDTMesoscale DiscussionSPC96 min
Jul 29, 3:18 AM CDTMesoscale DiscussionSPC87 min
Jul 30, 4:49 AM CDTMesoscale DiscussionSPC56 min
Aug 9, 2:54 PM CDTMesoscale DiscussionSPC96 min
Aug 15, 5:52 PM CDTMesoscale DiscussionSPC83 min
Aug 18, 11:10 AM CDTMesoscale DiscussionSPC95 min
Aug 18, 5:34 PM CDTMesoscale DiscussionSPC86 min
Nov 29, 10:42 AM CSTMesoscale DiscussionSPC5 hr
Dec 13, 9:43 AM CSTMesoscale DiscussionSPC4 hr
Dec 28, 7:16 AM CSTMesoscale DiscussionSPC119 min

The busiest days

Days with the most alerts issued, by UTC date.

  1. July 24, 20252mesoscale discussions
  2. August 18, 20252mesoscale discussions
  3. March 15, 20251mesoscale discussions
  4. March 19, 20251mesoscale discussions
  5. April 2, 20251mesoscale discussions
  6. April 18, 20251mesoscale discussions
  7. April 21, 20251mesoscale discussions
  8. May 15, 20251mesoscale discussions
  9. June 4, 20251mesoscale discussions
  10. July 11, 20251mesoscale discussions

Nearby

Alerts in force nowTornadoes on recordForecastThe radar archive20242026

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. Warning verification from the Mesonet's Cow. Rebuilt daily.