Alert archive / Illinois / Tornado Watches
Tornado Watches in Illinois, 2026
32 tornado watches in 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 tornado watches reaches back to 1997.
Tornado Watches by county
Each county as a circle sized by its count in 2026. Tap one for its archive.
- Tornado Watches
- 32
- Busiest month
- April13 tornado watches
- Busiest day
- April 27, 20264 tornado watches
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.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 19, 12:20 PM CST | Tornado Watch | SPC | Clark, Clay, Coles, Crawford, Cumberland, Douglas and 15 more | 10 hr |
| Mar 6, 8:18 PM CST | Tornado Watch | SPC | Rock Island | 6 hr |
| Mar 10, 3:57 PM CDT | Tornado Watch | SPC | Bureau, Cass, Champaign, DeWitt, Ford, Fulton and 29 more | 10 hr |
| Mar 10, 5:57 PM CDT | Tornado Watch | SPC | Adams, Brown | 6 hr |
| Mar 11, 5:22 AM CDT | Tornado Watch | SPC | Clark, Clay, Coles, Crawford, Cumberland, Edgar and 15 more | 6 hr |
| Mar 15, 1:33 PM CDT | Tornado Watch | SPC | Bond, Calhoun, Clinton, Fayette, Greene, Jersey and 9 more | 6 hr |
| Mar 15, 3:43 PM CDT | Tornado Watch | SPC | Cass, Champaign, Christian, Clark, Clay, Coles and 23 more | 5 hr |
| Mar 15, 3:57 PM CDT | Tornado Watch | SPC | Alexander, Edwards, Franklin, Gallatin, Hamilton, Hardin and 13 more | 7 hr |
| Apr 2, 1:43 PM CDT | Tornado Watch | SPC | Adams, Boone, Brown, Bureau, Carroll, Cass and 37 more | 8 hr |
| Apr 3, 2:20 PM CDT | Tornado Watch | SPC | Adams, Brown, Hancock, Henderson, McDonough, Warren | 6 hr |
| Apr 3, 5:18 PM CDT | Tornado Watch | SPC | Cass, Ford, Fulton, Iroquois, Knox, Livingston and 9 more | 4 hr |
| Apr 14, 2:33 PM CDT | Tornado Watch | SPC | Boone, Carroll, Cook, DeKalb, DuPage, Henry and 11 more | 9 hr |
| Apr 15, 3:40 PM CDT | Tornado Watch | SPC | Carroll, Hancock, Henderson, Henry, Jo Daviess, McDonough and 5 more | 6 hr |
| Apr 15, 6:50 PM CDT | Tornado Watch | SPC | Adams, Brown, Calhoun, Jersey, Madison, Monroe and 2 more | 4 hr |
| Apr 17, 12:40 PM CDT | Tornado Watch | SPC | Boone, Bureau, Carroll, DeKalb, Hancock, Henderson and 14 more | 9 hr |
| Apr 17, 3:31 PM CDT | Tornado Watch | SPC | Adams, Bond, Brown, Calhoun, Cass, Champaign and 50 more | 8 hr |
| Apr 27, 12:50 PM CDT | Tornado Watch | SPC | Bond, Calhoun, Clinton, Edwards, Fayette, Franklin and 17 more | 9 hr |
| Apr 27, 12:51 PM CDT | Tornado Watch | SPC | Champaign, Christian, Clark, Clay, Coles, Crawford and 15 more | 4 hr |
| Apr 27, 2:46 PM CDT | Tornado Watch | SPC | Alexander, Edwards, Franklin, Gallatin, Hamilton, Hardin and 13 more | 7 hr |
| Apr 27, 4:41 PM CDT | Tornado Watch | SPC | Cass, Champaign, Christian, Clark, Clay, Coles and 20 more | 6 hr |
| Apr 27, 9:48 PM CDT | Tornado Watch | SPC | Alexander, Edwards, Franklin, Gallatin, Hamilton, Hardin and 13 more | 7 hr |
| Jun 10, 4:01 PM CDT | Tornado Watch | SPC | Adams, Brown, Calhoun, Hancock, Henderson, Henry and 6 more | 7 hr |
| Jun 10, 7:06 PM CDT | Tornado Watch | SPC | Bureau, Cass, DeKalb, DeWitt, Fulton, Grundy and 17 more | 4 hr |
| Jun 11, 7:31 AM CDT | Tornado Watch | SPC | Adams, Brown, Bureau, Carroll, Fulton, Hancock and 15 more | 7 hr |
| Jun 11, 1:57 PM CDT | Tornado Watch | SPC | Adams, Boone, Brown, Bureau, Carroll, Cass and 45 more | 7 hr |
| Jun 11, 7:08 PM CDT | Tornado Watch | SPC | Champaign, Christian, Coles, Douglas, Edgar, Macon and 4 more | 6 hr |
| Jun 17, 7:49 AM CDT | Tornado Watch | SPC | Adams, Brown, Bureau, Calhoun, Cass, Champaign and 40 more | 6 hr |
| Jun 17, 2:14 PM CDT | Tornado Watch | SPC | Adams, Bond, Brown, Calhoun, Cass, Champaign and 45 more | 11 hr |
| Jun 17, 9:13 PM CDT | Tornado Watch | SPC | Edwards, Hamilton, Wabash, Wayne, White | 7 hr |
| Jun 21, 1:28 PM CDT | Tornado Watch | SPC | Bond, Christian, Clark, Clay, Clinton, Coles and 31 more | 9 hr |
| Jun 21, 4:43 PM CDT | Tornado Watch | SPC | Hamilton, White | 8 hr |
| Jun 26, 3:57 PM CDT | Tornado Watch | SPC | Alexander, Gallatin, Hardin, Jackson, Johnson, Massac and 5 more | 3 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Coles County10
- Edgar County10
- Cass County10
- Hancock County10
- McDonough County10
- Mason County10
- Menard County10
- Adams County10
- Brown County10
- Clark County9
- Cumberland County9
- Douglas County9
- Hamilton County9
- Moultrie County9
- Shelby County9
- White County9
- Fulton County9
- Macon County9
- Morgan County9
- Schuyler County9
- Scott County9
- Tazewell County9
- Pike County9
- Edwards County8
- Wayne County8
- Rock Island County8
- Champaign County8
- DeWitt County8
- Henderson County8
- Henry County8
- Knox County8
- Logan County8
- McLean County8
- Marshall County8
- Mercer County8
- Peoria County8
- Piatt County8
- Sangamon County8
- Stark County8
- Vermilion County8
62 more counties
- Warren County8
- Woodford County8
- Christian County8
- Clay County7
- Crawford County7
- Effingham County7
- Gallatin County7
- Jasper County7
- Lawrence County7
- Richland County7
- Saline County7
- Wabash County7
- Bureau County7
- Livingston County7
- Putnam County7
- Calhoun County7
- Whiteside County7
- Hardin County6
- Ford County6
- Grundy County6
- Iroquois County6
- LaSalle County6
- Franklin County6
- Jefferson County6
- Williamson County6
- Jersey County6
- Madison County6
- Monroe County6
- Montgomery County6
- Saint Clair County6
- Jackson County6
- Carroll County6
- Jo Daviess County6
- Stephenson County6
- Bond County5
- Clinton County5
- Fayette County5
- Greene County5
- Macoupin County5
- Marion County5
- Washington County5
- Perry County5
- DeKalb County5
- Kane County5
- Lee County5
- Alexander County4
- Johnson County4
- Massac County4
- Pope County4
- Pulaski County4
- Union County4
- Boone County4
- Cook County4
- DuPage County4
- Kendall County4
- Lake County4
- McHenry County4
- Ogle County4
- Winnebago County4
- Kankakee County3
- Randolph County3
- Will County3
The busiest days
Days with the most alerts issued, by UTC date.
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. Rebuilt daily.