Alert archive / Illinois / Winter Storm Warnings
Winter Storm Warnings in Illinois, 2024
10 winter storm warnings in 2024. 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 winter storm warnings reaches back to 2005.
Winter Storm Warnings by county
Each county as a circle sized by its count in 2024. Tap one for its archive.
- Winter Storm Warnings
- 10
- Busiest month
- January8 winter storm warnings
- Busiest day
- January 8, 20244 winter storm warnings
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 |
|---|---|---|---|---|
| Jan 8, 2:39 AM CST | Winter Storm Warning | ILX | Fulton, Knox, Marshall, Peoria, Schuyler, Stark | 48 hr |
| Jan 8, 2:41 AM CST | Winter Storm Warning | LSX | Adams, Brown | 40 hr |
| Jan 8, 2:43 AM CST | Winter Storm Warning | DVN | Bureau, Carroll, Hancock, Henderson, Henry, Jo Daviess and 7 more | 48 hr |
| Jan 8, 2:07 PM CST | Winter Storm Warning | LOT | Boone, DeKalb, Kane, Lake, LaSalle, Lee and 3 more | 36 hr |
| Jan 11, 2:14 AM CST | Winter Storm Warning | DVN | Bureau, Carroll, Henderson, Henry, Jo Daviess, Mercer and 5 more | 39 hr |
| Jan 11, 2:52 AM CST | Winter Storm Warning | ILX | Knox, Marshall, Stark | 48 hr |
| Jan 11, 2:22 PM CST | Winter Storm Warning | LOT | Boone, Cook, DeKalb, DuPage, Grundy, Kane and 8 more | 37 hr |
| Jan 11, 9:37 PM CST | Winter Storm Warning | DVN | Bureau, Carroll, Jo Daviess, Putnam, Stephenson, Whiteside | 30 hr |
| Mar 22, 8:03 AM CDT | Winter Storm Warning | DVN | Carroll, Jo Daviess, Stephenson | 5 hr |
| Mar 22, 8:08 AM CDT | Winter Storm Warning | LOT | Boone, McHenry, Ogle, Winnebago | 8 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Carroll County4
- Jo Daviess County4
- Stephenson County4
- Bureau County3
- Putnam County3
- Whiteside County3
- Boone County3
- McHenry County3
- Ogle County3
- Winnebago County3
- Knox County2
- Marshall County2
- Stark County2
- Henderson County2
- Henry County2
- Mercer County2
- Rock Island County2
- Warren County2
- DeKalb County2
- Kane County2
- Lake County2
- LaSalle County2
- Lee County2
- Fulton County1
- Peoria County1
- Schuyler County1
- Adams County1
- Brown County1
- Hancock County1
- McDonough County1
- Cook County1
- DuPage County1
- Grundy County1
- Kendall County1
- Will County1
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive20232025
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.