Alert archive / Illinois / Severe Thunderstorm Watches / 2025
Severe Thunderstorm Watches in Illinois, March 2025
1 severe thunderstorm watches in March 2025. 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 March 2025. Tap one for its archive.
- Severe Thunderstorm Watches
- 1
- Busiest day
- March 14, 20251 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 |
|---|---|---|---|---|
| Mar 14, 6:55 PM CDT | Severe Thunderstorm Watch | SPC | Boone, Bureau, Carroll, Cook, DeKalb, DuPage and 22 more | 8 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Boone County1
- Bureau County1
- Carroll County1
- Cook County1
- DeKalb County1
- DuPage County1
- Grundy County1
- Hancock County1
- Henderson County1
- Henry County1
- Jo Daviess County1
- Kane County1
- Kankakee County1
- Kendall County1
- Lake County1
- LaSalle County1
- Lee County1
- McDonough County1
- McHenry County1
- Mercer County1
- Ogle County1
- Putnam County1
- Rock Island County1
- Stephenson County1
- Warren County1
- Whiteside County1
- Will County1
- Winnebago County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive20242026
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.