Alert archive / Illinois / Freeze Warnings
Freeze Warnings in Illinois, 2026
6 freeze warnings in 2026. 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 freeze warnings reaches back to 2005.
Freeze Warnings by county
Each county as a circle sized by its count in 2026. Tap one for its archive.
- Freeze Warnings
- 6
- Busiest month
- April4 freeze warnings
- Busiest day
- April 19, 20263 freeze 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 |
|---|---|---|---|---|
| Mar 27, 1:41 AM CDT | Freeze Warning | PAH | Alexander, Edwards, Franklin, Gallatin, Hamilton, Hardin and 13 more | 31 hr |
| Mar 27, 11:40 AM CDT | Freeze Warning | LSX | Adams, Bond, Brown, Calhoun, Clinton, Fayette and 11 more | 21 hr |
| Apr 6, 2:25 PM CDT | Freeze Warning | ILX | Champaign, DeWitt, Douglas, Edgar, McLean, Peoria and 4 more | 18 hr |
| Apr 19, 1:28 AM CDT | Freeze Warning | ILX | Champaign, DeWitt, Douglas, Edgar, Fulton, Knox and 10 more | 31 hr |
| Apr 19, 1:52 AM CDT | Freeze Warning | LOT | Boone, Cook, DeKalb, DuPage, Ford, Grundy and 12 more | 30 hr |
| Apr 19, 2:10 AM CDT | Freeze Warning | DVN | Bureau, Carroll, Hancock, Henderson, Henry, Jo Daviess and 7 more | 30 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Champaign County2
- DeWitt County2
- Douglas County2
- Edgar County2
- McLean County2
- Peoria County2
- Piatt County2
- Tazewell County2
- Vermilion County2
- Woodford County2
- Alexander County1
- Edwards County1
- Franklin County1
- Gallatin County1
- Hamilton County1
- Hardin County1
- Jackson County1
- Jefferson County1
- Johnson County1
- Massac County1
- Perry County1
- Pope County1
- Pulaski County1
- Saline County1
- Union County1
- Wabash County1
- Wayne County1
- White County1
- Williamson County1
- Adams County1
- Bond County1
- Brown County1
- Calhoun County1
- Clinton County1
- Fayette County1
- Greene County1
- Jersey County1
- Macoupin County1
- Madison County1
- Marion County1
43 more counties
- Monroe County1
- Montgomery County1
- Pike County1
- Randolph County1
- Saint Clair County1
- Washington County1
- Fulton County1
- Knox County1
- Logan County1
- Marshall County1
- Mason County1
- Stark County1
- Boone County1
- Cook County1
- DeKalb County1
- DuPage County1
- Ford County1
- Grundy County1
- Iroquois County1
- Kane County1
- Kankakee County1
- Kendall County1
- Lake County1
- LaSalle County1
- Lee County1
- Livingston County1
- McHenry County1
- Ogle County1
- Will County1
- Winnebago County1
- Bureau County1
- Carroll County1
- Hancock County1
- Henderson County1
- Henry County1
- Jo Daviess County1
- McDonough County1
- Mercer County1
- Putnam County1
- Rock Island County1
- Stephenson County1
- Warren County1
- Whiteside County1
The busiest days
Days with the most alerts issued, by UTC date.
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. Warning verification from the Mesonet's Cow. Rebuilt daily.