Tornado Watches in Illinois
712 tornado watches since 1986. 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 since 1986. Tap one for its archive.
- Tornado Watches
- 712
- Busiest year
- 200844 tornado watches
- Average year
- 24over 30 years on file
Over time
By year
Watches are counted from 1997, when the Storm Prediction Center archive begins.
By month of the year
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Pope County209
- Hardin County208
- Massac County208
- Alexander County205
- Gallatin County204
- Pulaski County202
- Saline County202
- Johnson County201
- Union County201
- Jackson County196
- Williamson County193
- Franklin County189
- Hamilton County188
- White County187
- Jefferson County183
- Perry County183
- Randolph County178
- Wayne County176
- Washington County175
- Wabash County174
- Monroe County173
- Edwards County171
- Marion County171
- Clinton County169
- Saint Clair County167
- Fayette County166
- Christian County165
- Montgomery County165
- Bond County164
- Piatt County164
- Madison County162
- Shelby County161
- Macon County159
- Macoupin County159
- Sangamon County159
- Mason County158
- Clay County157
- Morgan County157
- DeWitt County156
- Logan County156
62 more counties
- Menard County156
- Richland County156
- Coles County155
- Lawrence County155
- Moultrie County155
- Effingham County154
- Cumberland County153
- Clark County152
- Jersey County152
- Cass County151
- Greene County151
- McLean County151
- Tazewell County151
- Champaign County150
- Douglas County150
- Jasper County150
- Scott County150
- Vermilion County150
- Calhoun County150
- Peoria County149
- Crawford County148
- Fulton County147
- Edgar County146
- Pike County144
- Stark County144
- Woodford County144
- Livingston County142
- Henry County141
- Knox County141
- Marshall County141
- Rock Island County140
- Brown County139
- Schuyler County139
- Bureau County137
- Mercer County137
- Adams County135
- McDonough County134
- Putnam County134
- Ford County133
- Warren County133
- Whiteside County131
- Henderson County130
- Iroquois County129
- Hancock County128
- LaSalle County125
- Carroll County120
- Kankakee County118
- Grundy County117
- Lee County116
- Jo Daviess County110
- Stephenson County108
- Kendall County105
- Ogle County105
- DeKalb County102
- Will County100
- Winnebago County98
- Kane County94
- Boone County93
- McHenry County84
- DuPage County83
- Cook County82
- Lake County70
The latest tornado watches
The most recent on file, newest first.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 26, 3:57 PM CDT | Tornado Watch | SPC | Alexander, Gallatin, Hardin, Jackson, Johnson, Massac and 5 more | 3 hr |
| Jun 21, 4:43 PM CDT | Tornado Watch | SPC | Hamilton, White | 8 hr |
| Jun 21, 1:28 PM CDT | Tornado Watch | SPC | Bond, Christian, Clark, Clay, Clinton, Coles and 31 more | 9 hr |
| Jun 17, 9:13 PM CDT | Tornado Watch | SPC | Edwards, Hamilton, Wabash, Wayne, White | 7 hr |
| Jun 17, 2:14 PM CDT | Tornado Watch | SPC | Adams, Bond, Brown, Calhoun, Cass, Champaign and 45 more | 11 hr |
| Jun 17, 7:49 AM CDT | Tornado Watch | SPC | Adams, Brown, Bureau, Calhoun, Cass, Champaign and 40 more | 6 hr |
| Jun 11, 7:08 PM CDT | Tornado Watch | SPC | Champaign, Christian, Coles, Douglas, Edgar, Macon and 4 more | 6 hr |
| Jun 11, 1:57 PM CDT | Tornado Watch | SPC | Adams, Boone, Brown, Bureau, Carroll, Cass and 45 more | 7 hr |
| Jun 11, 7:31 AM CDT | Tornado Watch | SPC | Adams, Brown, Bureau, Carroll, Fulton, Hancock and 15 more | 7 hr |
| Jun 10, 7:06 PM CDT | Tornado Watch | SPC | Bureau, Cass, DeKalb, DeWitt, Fulton, Grundy and 17 more | 4 hr |
| Jun 10, 4:01 PM CDT | Tornado Watch | SPC | Adams, Brown, Calhoun, Hancock, Henderson, Henry and 6 more | 7 hr |
| Apr 27, 9:48 PM CDT | Tornado Watch | SPC | Alexander, Edwards, Franklin, Gallatin, Hamilton, Hardin and 13 more | 7 hr |
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.