Alert archive / Illinois / Mesoscale Discussions / 2025

Mesoscale Discussions in Illinois, April 2025

26 mesoscale discussions in April 2025. An alert counts here when it covered any part of the state, so the counties below add up to more than the state. The archive of mesoscale discussions reaches back to 2003.

Mesoscale Discussions by county

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

Mesoscale Discussions
26
Busiest day
April 2, 20255 mesoscale discussions

Over time

By day

Days in UTC, the clock the archive keeps.

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.

IssuedProductOfficeCountiesLasted
Apr 2, 9:48 AM CDTMesoscale DiscussionSPCBrown, Cass, Champaign, DeWitt, Ford, Fulton and 20 more117 min
Apr 2, 12:51 PM CDTMesoscale DiscussionSPCAlexander, Johnson, Massac, Pope, Pulaski114 min
Apr 2, 2:43 PM CDTMesoscale DiscussionSPCBond, Champaign, Christian, Clark, Clay, Clinton and 34 more2 hr
Apr 2, 5:35 PM CDTMesoscale DiscussionSPCAlexander, Franklin, Gallatin, Hamilton, Hardin, Johnson and 7 more115 min
Apr 2, 5:40 PM CDTMesoscale DiscussionSPCChampaign, Iroquois, Vermilion95 min
Apr 2, 7:33 PM CDTMesoscale DiscussionSPCAlexander, Hardin, Johnson, Massac, Pope, Pulaski and 3 more117 min
Apr 4, 5:28 PM CDTMesoscale DiscussionSPCFranklin, Hamilton, Jackson, Jefferson, Perry, Randolph and 1 more92 min
Apr 4, 9:23 PM CDTMesoscale DiscussionSPCAlexander, Edwards, Franklin, Gallatin, Hamilton, Hardin and 9 more67 min
Apr 4, 11:35 PM CDTMesoscale DiscussionSPCHardin, Massac115 min
Apr 5, 1:03 PM CDTMesoscale DiscussionSPCAlexander, Hardin, Massac, Pope, Pulaski87 min
Apr 10, 12:55 PM CDTMesoscale DiscussionSPCAlexander, Franklin, Gallatin, Hamilton, Hardin, Johnson and 7 more3 hr
Apr 18, 2:53 PM CDTMesoscale DiscussionSPCAdams, Bond, Boone, Brown, Bureau, Calhoun and 55 more3 hr
Apr 19, 3:05 AM CDTMesoscale DiscussionSPCClark, Clay, Crawford, Cumberland, Edwards, Effingham and 5 more115 min
Apr 19, 5:35 AM CDTMesoscale DiscussionSPCClark, Clay, Clinton, Crawford, Cumberland, Edwards and 22 more2 hr
Apr 20, 2:20 PM CDTMesoscale DiscussionSPCAdams, Brown, Calhoun, Cass, Fulton, Greene and 19 more115 min
Apr 20, 5:40 PM CDTMesoscale DiscussionSPCAdams, Brown, Calhoun, Cass, Fulton, Greene and 16 more95 min
Apr 20, 7:46 PM CDTMesoscale DiscussionSPCAlexander, Bond, Bureau, Cass, Christian, Clay and 60 more89 min
Apr 20, 9:54 PM CDTMesoscale DiscussionSPCDeKalb, Ford, Grundy, Iroquois, Kankakee, Kendall and 2 more96 min
Apr 20, 11:44 PM CDTMesoscale DiscussionSPCClay, Edwards, Effingham, Fayette, Franklin, Gallatin and 15 more91 min
Apr 22, 4:54 PM CDTMesoscale DiscussionSPCAdams, Brown, Cass, Fulton, Hancock, Henderson and 13 more96 min
Apr 29, 8:30 AM CDTMesoscale DiscussionSPCAlexander, Jackson, Johnson, Massac, Perry, Pulaski and 3 more90 min
Apr 29, 12:52 PM CDTMesoscale DiscussionSPCEdwards, Franklin, Gallatin, Hamilton, Hardin, Jackson and 14 more83 min
Apr 29, 3:27 PM CDTMesoscale DiscussionSPCCrawford, Edwards, Gallatin, Hamilton, Lawrence, Richland and 3 more2 hr
Apr 30, 2:40 PM CDTMesoscale DiscussionSPCCalhoun, Clay, Clinton, Edwards, Franklin, Hamilton and 15 more2 hr
Apr 30, 6:30 PM CDTMesoscale DiscussionSPCRandolph90 min
Apr 30, 6:53 PM CDTMesoscale DiscussionSPCClark, Crawford, Cumberland, Effingham, Fayette, Jasper and 1 more67 min

By county

Every county with at least one alert. A county page lists each alert that covered it.

59 more counties

Nearby

Alerts in force nowTornadoes on recordThe 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.