Alert archive / Illinois / Tornado Watches / 2021
Tornado Watches in Illinois, December 2021
6 tornado watches in December 2021. 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 December 2021. Tap one for its archive.
- Tornado Watches
- 6
- Busiest day
- December 10, 20212 tornado watches
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 5, 8:59 PM CST | Tornado Watch | SPC | Alexander, Franklin, Gallatin, Hamilton, Hardin, Johnson and 7 more | 7 hr |
| Dec 10, 3:07 PM CST | Tornado Watch | SPC | Alexander, Edwards, Franklin, Gallatin, Hamilton, Hardin and 17 more | 11 hr |
| Dec 10, 5:17 PM CST | Tornado Watch | SPC | Adams, Bond, Brown, Calhoun, Cass, Christian and 18 more | 6 hr |
| Dec 10, 7:47 PM CST | Tornado Watch | SPC | Champaign, Clark, Clay, Coles, Crawford, Cumberland and 21 more | 8 hr |
| Dec 10, 11:03 PM CST | Tornado Watch | SPC | Alexander, Clinton, Edwards, Fayette, Franklin, Gallatin and 17 more | 5 hr |
| Dec 15, 5:30 PM CST | Tornado Watch | SPC | Bureau, Carroll, Hancock, Henderson, Henry, Jo Daviess and 7 more | 6 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Alexander County3
- Franklin County3
- Gallatin County3
- Hamilton County3
- Hardin County3
- Johnson County3
- Massac County3
- Pope County3
- Pulaski County3
- Saline County3
- Union County3
- White County3
- Williamson County3
- Edwards County2
- Jackson County2
- Jefferson County2
- Perry County2
- Wabash County2
- Washington County2
- Wayne County2
- Clinton County2
- Fayette County2
- Hancock County2
- McDonough County2
- Marion County2
- Monroe County1
- Randolph County1
- Saint Clair County1
- Adams County1
- Bond County1
- Brown County1
- Calhoun County1
- Cass County1
- Christian County1
- Fulton County1
- Greene County1
- Jersey County1
- Macoupin County1
- Madison County1
- Mason County1
45 more counties
- Menard County1
- Montgomery County1
- Morgan County1
- Pike County1
- Sangamon County1
- Schuyler County1
- Scott County1
- Champaign County1
- Clark County1
- Clay County1
- Coles County1
- Crawford County1
- Cumberland County1
- DeWitt County1
- Douglas County1
- Edgar County1
- Effingham County1
- Ford County1
- Iroquois County1
- Jasper County1
- Kankakee County1
- Lawrence County1
- Livingston County1
- Logan County1
- McLean County1
- Macon County1
- Moultrie County1
- Peoria County1
- Piatt County1
- Richland County1
- Shelby County1
- Tazewell County1
- Vermilion County1
- Woodford County1
- Bureau County1
- Carroll County1
- Henderson County1
- Henry County1
- Jo Daviess County1
- Mercer County1
- Putnam County1
- Rock Island County1
- Stephenson County1
- Warren County1
- Whiteside County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive20202022
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.