Alert archive / Illinois / Tornado Watches
Tornado Watches in Illinois, 1997
14 tornado watches in 1997. 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 1997. Tap one for its archive.
- Tornado Watches
- 14
- Busiest month
- May5 tornado watches
- Busiest day
- April 30, 19974 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 |
|---|---|---|---|---|
| Mar 1, 2:30 PM CST | Tornado Watch | SPC | Johnson, Massac, Pope, Pulaski | 7 hr |
| Mar 28, 2:15 PM CST | Tornado Watch | SPC | Alexander, Bond, Christian, Clark, Clay, Clinton and 44 more | 6 hr |
| Mar 28, 5:00 PM CST | Tornado Watch | SPC | Crawford, Lawrence, Wabash | 6 hr |
| Apr 30, 12:30 PM CDT | Tornado Watch | SPC | Adams, Brown, Bureau, Carroll, Cass, DeKalb and 28 more | 7 hr |
| Apr 30, 2:30 PM CDT | Tornado Watch | SPC | Bond, Christian, Clark, Clay, Clinton, Coles and 20 more | 7 hr |
| Apr 30, 3:30 PM CDT | Tornado Watch | SPC | Champaign, Cook, DuPage, Ford, Grundy, Iroquois and 8 more | 6 hr |
| Apr 30, 5:30 PM CDT | Tornado Watch | SPC | Clark, Coles, Crawford, Cumberland, Douglas, Edgar and 6 more | 6 hr |
| May 2, 1:30 PM CDT | Tornado Watch | SPC | Alexander, Clay, Clinton, Edwards, Franklin, Gallatin and 20 more | 6 hr |
| May 18, 2:30 PM CDT | Tornado Watch | SPC | Henderson, Jo Daviess, Mercer, Rock Island | 7 hr |
| May 18, 5:30 PM CDT | Tornado Watch | SPC | Boone, Bureau, Carroll, Cook, DeKalb, DeWitt and 38 more | 6 hr |
| May 18, 8:00 PM CDT | Tornado Watch | SPC | Iroquois | 5 hr |
| May 26, 4:00 PM CDT | Tornado Watch | SPC | Alexander, Franklin, Gallatin, Hardin, Jackson, Johnson and 7 more | 6 hr |
| Jun 15, 6:30 PM CDT | Tornado Watch | SPC | Boone, Bureau, Carroll, Henderson, Henry, Jo Daviess and 10 more | 7 hr |
| Jul 25, 7:45 PM CDT | Tornado Watch | SPC | Boone, Carroll, Cook, Jo Daviess, Kane, Lake and 4 more | 5 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Lawrence County5
- Johnson County4
- Massac County4
- Pope County4
- Pulaski County4
- Crawford County4
- Richland County4
- Wabash County4
- Carroll County4
- Henderson County4
- Mercer County4
- Ogle County4
- Rock Island County4
- Jo Daviess County4
- Alexander County3
- Clark County3
- Clay County3
- Clinton County3
- Coles County3
- Cumberland County3
- Douglas County3
- Edgar County3
- Edwards County3
- Franklin County3
- Gallatin County3
- Hardin County3
- Jackson County3
- Jasper County3
- Jefferson County3
- Marion County3
- Perry County3
- Saline County3
- Union County3
- Washington County3
- Wayne County3
- White County3
- Williamson County3
- Bureau County3
- Henry County3
- Knox County3
61 more counties
- Lee County3
- Piatt County3
- Warren County3
- Whiteside County3
- Cook County3
- Kane County3
- Lake County3
- Boone County3
- McHenry County3
- Stephenson County3
- Winnebago County3
- Bond County2
- Christian County2
- Effingham County2
- Fayette County2
- Hamilton County2
- Macon County2
- Macoupin County2
- Madison County2
- Montgomery County2
- Morgan County2
- Moultrie County2
- Randolph County2
- Sangamon County2
- Shelby County2
- DeKalb County2
- DeWitt County2
- Fulton County2
- Hancock County2
- LaSalle County2
- Logan County2
- McDonough County2
- McLean County2
- Marshall County2
- Mason County2
- Menard County2
- Peoria County2
- Putnam County2
- Schuyler County2
- Stark County2
- Tazewell County2
- Woodford County2
- DuPage County2
- Ford County2
- Grundy County2
- Iroquois County2
- Kankakee County2
- Kendall County2
- Livingston County2
- Will County2
- Greene County1
- Jersey County1
- Monroe County1
- Saint Clair County1
- Scott County1
- Adams County1
- Brown County1
- Cass County1
- Pike County1
- Champaign County1
- Vermilion County1
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive19961998
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.