Alert archive / Illinois / Freeze Warnings
Freeze Warnings in Illinois, 2011
12 freeze warnings in 2011. 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 2011. Tap one for its archive.
- Freeze Warnings
- 12
- Busiest month
- October6 freeze warnings
- Busiest day
- October 20, 20113 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 26, 4:05 PM CDT | Freeze Warning | LSX | Clinton, Madison, Monroe, Saint Clair, Washington | 17 hr |
| Mar 27, 4:27 AM CDT | Freeze Warning | LSX | Clinton, Madison, Monroe, Randolph, Saint Clair, Washington | 24 hr |
| May 3, 3:15 PM CDT | Freeze Warning | DVN | Bureau, Carroll, Hancock, Henderson, Henry, Jo Daviess and 7 more | 16 hr |
| Oct 20, 3:07 AM CDT | Freeze Warning | ILX | Cass, Fulton, Knox, Marshall, Mason, Menard and 7 more | 30 hr |
| Oct 20, 3:20 AM CDT | Freeze Warning | DVN | Bureau, Carroll, Hancock, Henderson, Henry, Jo Daviess and 7 more | 30 hr |
| Oct 20, 3:48 AM CDT | Freeze Warning | LSX | Adams, Brown, Calhoun, Greene, Pike | 29 hr |
| Oct 28, 2:50 PM CDT | Freeze Warning | ILX | Fulton, Knox, McLean, Marshall, Mason, Peoria and 4 more | 18 hr |
| Oct 28, 3:42 PM CDT | Freeze Warning | LOT | Boone, DeKalb, DuPage, Ford, Grundy, Iroquois and 10 more | 17 hr |
| Oct 28, 3:59 PM CDT | Freeze Warning | LSX | Adams, Brown, Pike | 16 hr |
| Nov 9, 2:32 PM CST | Freeze Warning | PAH | Alexander, Edwards, Franklin, Gallatin, Hamilton, Hardin and 13 more | 41 hr |
| Nov 9, 3:03 PM CST | Freeze Warning | LSX | Bond, Clinton, Fayette, Madison, Monroe, Saint Clair | 15 hr |
| Nov 10, 3:09 PM CST | Freeze Warning | LSX | Bond, Clinton, Fayette, Madison, Marion, Monroe and 3 more | 17 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Clinton County4
- Madison County4
- Monroe County4
- Saint Clair County4
- Washington County3
- Randolph County2
- Bureau County2
- Carroll County2
- Hancock County2
- Henderson County2
- Henry County2
- Jo Daviess County2
- McDonough County2
- Mercer County2
- Putnam County2
- Rock Island County2
- Stephenson County2
- Warren County2
- Whiteside County2
- Fulton County2
- Knox County2
- Marshall County2
- Mason County2
- Peoria County2
- Schuyler County2
- Stark County2
- Tazewell County2
- Woodford County2
- Adams County2
- Brown County2
- Pike County2
- Bond County2
- Fayette County2
- Cass County1
- Menard County1
- Morgan County1
- Scott County1
- Calhoun County1
- Greene County1
- McLean County1
36 more counties
- Boone 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
- Winnebago County1
- 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
- Marion County1
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive20102012
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.