Alert archive / Illinois / Mesoscale Discussions / 2025
Mesoscale Discussions in Illinois, December 2025
8 mesoscale discussions in December 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 December 2025. Tap one for its archive.
- Mesoscale Discussions
- 8
- Busiest day
- December 28, 20254 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.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 13, 9:43 AM CST | Mesoscale Discussion | SPC | Champaign, Coles, DeWitt, Douglas, Edgar, Ford and 26 more | 4 hr |
| Dec 18, 10:44 AM CST | Mesoscale Discussion | SPC | Alexander, Bond, Christian, Clay, Clinton, Cumberland and 29 more | 2 hr |
| Dec 18, 3:48 PM CST | Mesoscale Discussion | SPC | Crawford, Edwards, Gallatin, Hardin, Lawrence, Massac and 4 more | 117 min |
| Dec 28, 7:16 AM CST | Mesoscale Discussion | SPC | Adams, Brown, Cass, DeWitt, Ford, Fulton and 14 more | 119 min |
| Dec 28, 10:44 AM CST | Mesoscale Discussion | SPC | Kankakee | 2 hr |
| Dec 28, 1:18 PM CST | Mesoscale Discussion | SPC | Bond, Champaign, Christian, Clark, Clay, Clinton and 46 more | 117 min |
| Dec 28, 3:49 PM CST | Mesoscale Discussion | SPC | Alexander, Champaign, Clark, Clay, Coles, Crawford and 25 more | 86 min |
| Dec 28, 6:58 PM CST | Mesoscale Discussion | SPC | Gallatin, Hardin, Massac, Pope | 3 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Menard County4
- Champaign County3
- Coles County3
- DeWitt County3
- Douglas County3
- Edgar County3
- Ford County3
- Iroquois County3
- Livingston County3
- Logan County3
- McLean County3
- Moultrie County3
- Tazewell County3
- Vermilion County3
- Woodford County3
- Clay County3
- Cumberland County3
- Effingham County3
- Fayette County3
- Franklin County3
- Hamilton County3
- Jackson County3
- Jefferson County3
- Marion County3
- Massac County3
- Perry County3
- Saline County3
- Union County3
- Washington County3
- Wayne County3
- Williamson County3
- Crawford County3
- Edwards County3
- Lawrence County3
- Fulton County2
- Hancock County2
- Knox County2
- McDonough County2
- Macon County2
- Marshall County2
40 more counties
- Mason County2
- Peoria County2
- Piatt County2
- Schuyler County2
- Warren County2
- Alexander County2
- Bond County2
- Christian County2
- Clinton County2
- Greene County2
- Jersey County2
- Johnson County2
- Macoupin County2
- Madison County2
- Monroe County2
- Montgomery County2
- Morgan County2
- Pulaski County2
- Randolph County2
- Saint Clair County2
- Sangamon County2
- Shelby County2
- Gallatin County2
- Hardin County2
- Pope County2
- White County2
- Kankakee County2
- Clark County2
- Jasper County2
- Richland County2
- Henderson County1
- Henry County1
- Mercer County1
- Putnam County1
- Rock Island County1
- Stark County1
- Wabash County1
- Adams County1
- Brown County1
- Cass County1
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.