Blizzard Warnings in Illinois
34 blizzard warnings since 1986. 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 blizzard warnings reaches back to 2005.
Blizzard Warnings by county
Each county as a circle sized by its count since 1986. Tap one for its archive.
- Blizzard Warnings
- 34
- Busiest year
- 20125 blizzard warnings
- Average year
- 3over 13 years on file
Over time
By year
Before late 2005 the archive holds only tornado, severe thunderstorm, flash flood and marine warnings, and from 1997 SPC's watches, so the jump that year is the archive widening, not the weather.
By month of the year
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Carroll County12
- Jo Daviess County11
- Stephenson County11
- Rock Island County11
- Henry County10
- Whiteside County10
- Mercer County9
- Boone County8
- Ogle County8
- Bureau County8
- Putnam County8
- McHenry County7
- Winnebago County7
- DeKalb County7
- Henderson County7
- Lee County7
- Warren County7
- LaSalle County6
- Cass County5
- Schuyler County5
- Lake County5
- Mason County5
- Tazewell County5
- Woodford County5
- Grundy County5
- Hancock County5
- Kane County5
- Kendall County5
- McDonough County5
- Knox County5
- Stark County5
- Christian County4
- DeWitt County4
- Logan County4
- Macon County4
- Menard County4
- Morgan County4
- Sangamon County4
- Scott County4
- McLean County4
52 more counties
- DuPage County4
- Fulton County4
- Marshall County4
- Peoria County4
- Ford County3
- Iroquois County3
- Kankakee County3
- Shelby County2
- Champaign County2
- Douglas County2
- Livingston County2
- Moultrie County2
- Piatt County2
- Vermilion County2
- Adams County2
- Brown County2
- Pike County2
- Coles County2
- Cumberland County2
- Edgar County2
- Effingham County2
- Calhoun County1
- Greene County1
- Jersey County1
- Macoupin County1
- Madison County1
- Montgomery County1
- Alexander County1
- Clark County1
- Clay County1
- Crawford County1
- Edwards County1
- Franklin County1
- Gallatin County1
- Hamilton County1
- Hardin County1
- Jackson County1
- Jasper County1
- Jefferson County1
- Johnson County1
- Lawrence County1
- Massac County1
- Perry County1
- Pope County1
- Pulaski County1
- Richland County1
- Saline County1
- Union County1
- Wabash County1
- Wayne County1
- White County1
- Williamson County1
The latest blizzard warnings
The most recent on file, newest first.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 15, 6:51 PM CDT | Blizzard Warning | LOT | Boone, DeKalb, Lee, McHenry, Ogle, Winnebago | 16 hr |
| Mar 15, 2:33 AM CDT | Blizzard Warning | ILX | Knox, Stark | 34 hr |
| Mar 14, 12:33 PM CDT | Blizzard Warning | DVN | Bureau, Carroll, Henderson, Henry, Jo Daviess, Mercer and 5 more | 48 hr |
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. Rebuilt daily.