Alert archive / Illinois / Severe Thunderstorm Watches / 2023
Severe Thunderstorm Watches in Illinois, May 2023
9 severe thunderstorm watches in May 2023. 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 severe thunderstorm watches reaches back to 1997.
Severe Thunderstorm Watches by county
Each county as a circle sized by its count in May 2023. Tap one for its archive.
- Severe Thunderstorm Watches
- 9
- Busiest day
- May 7, 20235 severe thunderstorm 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 |
|---|---|---|---|---|
| May 6, 8:50 PM CDT | Severe Thunderstorm Watch | SPC | Fulton, Hancock, Henderson, Knox, McDonough, Mercer and 2 more | 7 hr |
| May 6, 10:44 PM CDT | Severe Thunderstorm Watch | SPC | Cass, Champaign, Christian, Coles, Cumberland, DeWitt and 15 more | 6 hr |
| May 7, 1:18 PM CDT | Severe Thunderstorm Watch | SPC | Alexander, Bond, Calhoun, Cass, Christian, Clay and 47 more | 10 hr |
| May 7, 4:10 PM CDT | Severe Thunderstorm Watch | SPC | Bureau, Carroll, Hancock, Henderson, Henry, Jo Daviess and 10 more | 10 hr |
| May 7, 6:58 PM CDT | Severe Thunderstorm Watch | SPC | Ford, Grundy, Iroquois, Kankakee, Kendall, LaSalle and 5 more | 5 hr |
| May 7, 10:02 PM CDT | Severe Thunderstorm Watch | SPC | Adams, Brown, Pike | 6 hr |
| May 8, 3:19 PM CDT | Severe Thunderstorm Watch | SPC | Alexander, Clinton, Edwards, Franklin, Gallatin, Hamilton and 19 more | 10 hr |
| May 13, 12:24 PM CDT | Severe Thunderstorm Watch | SPC | Bond, Calhoun, Cass, Christian, Clay, Clinton and 26 more | 7 hr |
| May 14, 2:59 PM CDT | Severe Thunderstorm Watch | SPC | Adams, Bond, Brown, Calhoun, Cass, Christian and 33 more | 7 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Cass County4
- Christian County4
- Menard County4
- Morgan County4
- Sangamon County4
- Scott County4
- Shelby County4
- Clinton County4
- Franklin County4
- Hamilton County4
- Jackson County4
- Jefferson County4
- Marion County4
- Monroe County4
- Perry County4
- Randolph County4
- Saint Clair County4
- Washington County4
- Wayne County4
- Schuyler County3
- Macon County3
- Mason County3
- Bond County3
- Calhoun County3
- Clay County3
- Edwards County3
- Effingham County3
- Fayette County3
- Gallatin County3
- Greene County3
- Jersey County3
- Macoupin County3
- Madison County3
- Montgomery County3
- Saline County3
- White County3
- Williamson County3
- Pike County3
- Fulton County2
- Hancock County2
49 more counties
- Henderson County2
- Knox County2
- McDonough County2
- Mercer County2
- Warren County2
- DeWitt County2
- Logan County2
- McLean County2
- Moultrie County2
- Peoria County2
- Tazewell County2
- Woodford County2
- Alexander County2
- Hardin County2
- Johnson County2
- Massac County2
- Pope County2
- Pulaski County2
- Union County2
- Wabash County2
- Adams County2
- Brown County2
- Champaign County1
- Coles County1
- Cumberland County1
- Douglas County1
- Piatt County1
- Jasper County1
- Lawrence County1
- Richland County1
- Bureau County1
- Carroll County1
- Henry County1
- Jo Daviess County1
- Marshall County1
- Putnam County1
- Rock Island County1
- Stark County1
- Stephenson County1
- Whiteside County1
- Ford County1
- Grundy County1
- Iroquois County1
- Kankakee County1
- Kendall County1
- LaSalle County1
- Lee County1
- Livingston County1
- Will County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive20222024
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. Warning verification from the Mesonet's Cow. Rebuilt daily.