Alert archive / Illinois / Mesoscale Discussions / 2025
Mesoscale Discussions in Illinois, July 2025
37 mesoscale discussions in July 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 July 2025. Tap one for its archive.
- Mesoscale Discussions
- 37
- Busiest day
- July 11, 20257 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 |
|---|---|---|---|---|
| Jul 3, 2:18 PM CDT | Mesoscale Discussion | SPC | Jo Daviess | 2 hr |
| Jul 5, 2:07 PM CDT | Mesoscale Discussion | SPC | Carroll, Jo Daviess, Stephenson | 2 hr |
| Jul 6, 12:09 PM CDT | Mesoscale Discussion | SPC | Alexander, Bond, Calhoun, Champaign, Christian, Clark and 48 more | 2 hr |
| Jul 10, 12:55 PM CDT | Mesoscale Discussion | SPC | Carroll, Henry, Jo Daviess, Rock Island, Whiteside | 3 hr |
| Jul 10, 6:13 PM CDT | Mesoscale Discussion | SPC | Boone, Bureau, Carroll, DeKalb, DuPage, Grundy and 16 more | 2 hr |
| Jul 10, 10:36 PM CDT | Mesoscale Discussion | SPC | Bureau, Ford, Grundy, Henry, Kankakee, LaSalle and 6 more | 114 min |
| Jul 11, 12:44 AM CDT | Mesoscale Discussion | SPC | Mercer, Rock Island | 91 min |
| Jul 11, 2:43 AM CDT | Mesoscale Discussion | SPC | Mercer, Rock Island | 92 min |
| Jul 11, 12:18 PM CDT | Mesoscale Discussion | SPC | Adams, Bureau, Carroll, Fulton, Hancock, Henderson and 14 more | 87 min |
| Jul 11, 2:01 PM CDT | Mesoscale Discussion | SPC | Adams, Brown, Cass, Greene, Morgan, Pike and 1 more | 89 min |
| Jul 11, 3:53 PM CDT | Mesoscale Discussion | SPC | Boone, Bureau, Carroll, Henderson, Henry, Jo Daviess and 8 more | 97 min |
| Jul 11, 5:57 PM CDT | Mesoscale Discussion | SPC | Boone, DeKalb, DuPage, Kane, Lake, Lee and 3 more | 2 hr |
| Jul 11, 10:59 PM CDT | Mesoscale Discussion | SPC | Brown, Calhoun, Cass, Christian, DeWitt, Greene and 13 more | 2 hr |
| Jul 12, 11:42 AM CDT | Mesoscale Discussion | SPC | Alexander, Clark, Clay, Crawford, Edwards, Franklin and 22 more | 3 hr |
| Jul 12, 3:29 PM CDT | Mesoscale Discussion | SPC | Alexander, Hardin, Massac, Pope, Pulaski | 91 min |
| Jul 13, 1:18 PM CDT | Mesoscale Discussion | SPC | Alexander, Bond, Christian, Clark, Clay, Clinton and 33 more | 2 hr |
| Jul 16, 11:45 AM CDT | Mesoscale Discussion | SPC | Boone, Carroll, DeKalb, Jo Daviess, Kane, McHenry and 4 more | 2 hr |
| Jul 16, 2:08 PM CDT | Mesoscale Discussion | SPC | Cass, DeKalb, DeWitt, DuPage, Grundy, Kane and 18 more | 2 hr |
| Jul 16, 6:28 PM CDT | Mesoscale Discussion | SPC | Clark, Clay, Crawford, Cumberland, Edgar, Edwards and 7 more | 62 min |
| Jul 17, 12:53 PM CDT | Mesoscale Discussion | SPC | Alexander, Clay, Clinton, Crawford, Edwards, Franklin and 24 more | 2 hr |
| Jul 18, 12:20 PM CDT | Mesoscale Discussion | SPC | Alexander, Johnson, Massac, Pope, Pulaski, Union | 115 min |
| Jul 19, 7:13 AM CDT | Mesoscale Discussion | SPC | Adams, Brown, Bureau, Cass, Fulton, Hancock and 16 more | 92 min |
| Jul 19, 11:39 PM CDT | Mesoscale Discussion | SPC | Hancock | 2 hr |
| Jul 20, 7:35 AM CDT | Mesoscale Discussion | SPC | Champaign, Iroquois, Vermilion | 115 min |
| Jul 20, 4:52 PM CDT | Mesoscale Discussion | SPC | Christian, Clark, Clay, Coles, Crawford, Cumberland and 7 more | 113 min |
| Jul 20, 7:36 PM CDT | Mesoscale Discussion | SPC | Christian, Clark, Clay, Crawford, Cumberland, Edwards and 9 more | 84 min |
| Jul 24, 2:10 PM CDT | Mesoscale Discussion | SPC | Bureau, Cook, DuPage, Ford, Grundy, Iroquois and 10 more | 2 hr |
| Jul 24, 4:39 PM CDT | Mesoscale Discussion | SPC | Cook, Grundy, Iroquois, Kankakee, Livingston, Marshall and 2 more | 96 min |
| Jul 24, 8:13 PM CDT | Mesoscale Discussion | SPC | Adams, Brown, Calhoun, Greene, Jersey, Macoupin and 3 more | 92 min |
| Jul 25, 10:06 PM CDT | Mesoscale Discussion | SPC | Cass, Christian, DeWitt, Ford, Greene, Grundy and 13 more | 84 min |
| Jul 26, 1:21 PM CDT | Mesoscale Discussion | SPC | Adams, Bond, Brown, Calhoun, Cass, Champaign and 32 more | 114 min |
| Jul 26, 4:34 PM CDT | Mesoscale Discussion | SPC | Champaign, Ford, Iroquois, Kankakee, Livingston, Vermilion | 116 min |
| Jul 29, 12:53 AM CDT | Mesoscale Discussion | SPC | Carroll, Jo Daviess, Stephenson, Whiteside | 97 min |
| Jul 29, 3:18 AM CDT | Mesoscale Discussion | SPC | Bureau, Fulton, Hancock, Henderson, Henry, Knox and 8 more | 87 min |
| Jul 30, 1:28 AM CDT | Mesoscale Discussion | SPC | Henderson, Mercer, Rock Island | 2 hr |
| Jul 30, 4:49 AM CDT | Mesoscale Discussion | SPC | Bureau, Carroll, Fulton, Hancock, Henderson, Henry and 14 more | 56 min |
| Jul 30, 12:02 PM CDT | Mesoscale Discussion | SPC | Bond, Champaign, Clark, Clay, Coles, Crawford and 18 more | 2 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Rock Island County11
- Whiteside County9
- Mercer County9
- Jo Daviess County8
- Carroll County8
- Clay County8
- Crawford County8
- Jasper County8
- Lawrence County8
- Richland County8
- Henry County8
- Bureau County8
- Stephenson County7
- Christian County7
- Clark County7
- Iroquois County7
- Macoupin County7
- Marion County7
- Livingston County7
- Marshall County7
- Woodford County7
- Alexander County6
- Cumberland County6
- Edwards County6
- Effingham County6
- Greene County6
- Massac County6
- Pope County6
- Pulaski County6
- Shelby County6
- Wabash County6
- Wayne County6
- Grundy County6
- Ogle County6
- Putnam County6
- Ford County6
- Kankakee County6
- Henderson County6
- Cass County6
- Morgan County6
62 more counties
- Scott County6
- Champaign County5
- Coles County5
- DeWitt County5
- Fayette County5
- Hardin County5
- Johnson County5
- Macon County5
- Moultrie County5
- Sangamon County5
- Union County5
- Vermilion County5
- Kane County5
- LaSalle County5
- Lee County5
- Winnebago County5
- Stark County5
- Adams County5
- Fulton County5
- Hancock County5
- McDonough County5
- Peoria County5
- Warren County5
- Brown County5
- Mason County5
- Tazewell County5
- Bond County4
- Calhoun County4
- Edgar County4
- Franklin County4
- Gallatin County4
- Hamilton County4
- Jackson County4
- Jefferson County4
- Jersey County4
- Montgomery County4
- Perry County4
- Randolph County4
- Saline County4
- Washington County4
- White County4
- Williamson County4
- Boone County4
- DeKalb County4
- DuPage County4
- Lake County4
- McHenry County4
- Will County4
- Knox County4
- Pike County4
- Logan County4
- McLean County4
- Menard County4
- Clinton County3
- Douglas County3
- Piatt County3
- Kendall County3
- Schuyler County3
- Madison County2
- Monroe County2
- Saint Clair County2
- Cook County2
Nearby
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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.