Alert archive / Illinois / Mesoscale Discussions / 2026
Mesoscale Discussions in Illinois, February 2026
5 mesoscale discussions in February 2026. 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 February 2026. Tap one for its archive.
- Mesoscale Discussions
- 5
- Busiest day
- February 19, 20264 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 |
|---|---|---|---|---|
| Feb 19, 10:44 AM CST | Mesoscale Discussion | SPC | Bond, Calhoun, Clinton, Greene, Jersey, Macoupin and 5 more | 91 min |
| Feb 19, 11:34 AM CST | Mesoscale Discussion | SPC | Bond, Champaign, Christian, Clark, Clay, Clinton and 38 more | 116 min |
| Feb 19, 2:56 PM CST | Mesoscale Discussion | SPC | Clark, Clay, Crawford, Cumberland, Edwards, Effingham and 12 more | 2 hr |
| Feb 19, 3:06 PM CST | Mesoscale Discussion | SPC | Bond, Clinton, Fayette, Jefferson, Madison, Marion and 5 more | 84 min |
| Feb 19, 6:03 PM CST | Mesoscale Discussion | SPC | Clark, Clay, Coles, Crawford, Cumberland, Douglas and 8 more | 87 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Fayette County4
- Bond County3
- Clinton County3
- Madison County3
- Saint Clair County3
- Washington County3
- Clark County3
- Clay County3
- Crawford County3
- Cumberland County3
- Effingham County3
- Jasper County3
- Jefferson County3
- Lawrence County3
- Marion County3
- Richland County3
- Shelby County3
- Macoupin County2
- Monroe County2
- Randolph County2
- Coles County2
- Douglas County2
- Edgar County2
- Edwards County2
- Gallatin County2
- Hamilton County2
- Moultrie County2
- Perry County2
- Wabash County2
- Wayne County2
- White County2
- Calhoun County1
- Greene County1
- Jersey County1
- Champaign County1
- Christian County1
- Franklin County1
- Hardin County1
- Jackson County1
- Johnson County1
Nearby
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.