Alert archive / Illinois / Tornado Watches
Tornado Watches in Illinois, 2018
7 tornado watches in 2018. 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 2018. Tap one for its archive.
- Tornado Watches
- 7
- Busiest month
- April3 tornado watches
- Busiest day
- February 24, 20181 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 24, 3:16 PM CST | Tornado Watch | SPC | Alexander, Gallatin, Hardin, Johnson, Massac, Pope and 3 more | 8 hr |
| Apr 3, 1:33 PM CDT | Tornado Watch | SPC | Alexander, Bond, Clark, Clay, Clinton, Coles and 34 more | 7 hr |
| Apr 13, 5:27 PM CDT | Tornado Watch | SPC | Monroe, Randolph, Saint Clair | 8 hr |
| Apr 13, 10:12 PM CDT | Tornado Watch | SPC | Alexander, Pulaski | 10 hr |
| May 31, 1:57 PM CDT | Tornado Watch | SPC | Alexander, Franklin, Hardin, Jackson, Johnson, Massac and 6 more | 6 hr |
| Jul 20, 6:22 PM CDT | Tornado Watch | SPC | Alexander, Gallatin, Hardin, Johnson, Massac, Pope and 5 more | 8 hr |
| Dec 1, 2:16 PM CST | Tornado Watch | SPC | Adams, Brown, Calhoun, Cass, Christian, DeWitt and 23 more | 7 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Alexander County5
- Pulaski County5
- Hardin County4
- Johnson County4
- Massac County4
- Pope County4
- Union County4
- Gallatin County3
- Saline County3
- Randolph County3
- Williamson County3
- Franklin County2
- Jackson County2
- Monroe County2
- Perry County2
- Saint Clair County2
- White County2
- Bond County1
- Clark County1
- Clay County1
- Clinton County1
- Coles County1
- Crawford County1
- Cumberland County1
- Douglas County1
- Edgar County1
- Edwards County1
- Effingham County1
- Fayette County1
- Hamilton County1
- Jasper County1
- Jefferson County1
- Lawrence County1
- Marion County1
- Moultrie County1
- Richland County1
- Shelby County1
- Wabash County1
- Washington County1
- Wayne County1
29 more counties
- Adams County1
- Brown County1
- Calhoun County1
- Cass County1
- Christian County1
- DeWitt County1
- Fulton County1
- Greene County1
- Hancock County1
- Jersey County1
- Knox County1
- Logan County1
- McDonough County1
- McLean County1
- Macon County1
- Macoupin County1
- Mason County1
- Menard County1
- Montgomery County1
- Morgan County1
- Peoria County1
- Piatt County1
- Pike County1
- Sangamon County1
- Schuyler County1
- Scott County1
- Tazewell County1
- Warren County1
- Woodford County1
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive20172019
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.