Freezing Fog Advisories in Illinois
45 freezing fog advisories 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 freezing fog advisories reaches back to 2005.
Freezing Fog Advisories by county
Each county as a circle sized by its count since 1986. Tap one for its archive.
- Freezing Fog Advisories
- 45
- Busiest year
- 200713 freezing fog advisories
- Average year
- 4over 11 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.
- Grundy County11
- LaSalle County11
- DeKalb County10
- Kendall County10
- Lee County10
- Ogle County10
- Champaign County9
- Kane County9
- Kankakee County9
- Livingston County9
- Vermilion County9
- Gallatin County9
- Hamilton County9
- Saline County9
- White County9
- Williamson County9
- Coles County8
- DeWitt County8
- Edgar County8
- Ford County8
- Logan County8
- McHenry County8
- McLean County8
- Macon County8
- Piatt County8
- Sangamon County8
- Alexander County8
- Franklin County8
- Pulaski County8
- Union County8
- Cass County7
- Christian County7
- Douglas County7
- DuPage County7
- Fulton County7
- Iroquois County7
- Knox County7
- Marshall County7
- Mason County7
- Menard County7
60 more counties
- Morgan County7
- Moultrie County7
- Peoria County7
- Schuyler County7
- Scott County7
- Shelby County7
- Stark County7
- Tazewell County7
- Winnebago County7
- Woodford County7
- Jackson County7
- Johnson County7
- Cumberland County6
- Effingham County6
- Boone County6
- Lake County6
- Edwards County6
- Hardin County6
- Massac County6
- Pope County6
- Wabash County6
- Wayne County6
- Clark County5
- Crawford County5
- Jasper County5
- Adams County5
- Brown County5
- Pike County5
- Jefferson County5
- Perry County5
- Clay County4
- Lawrence County4
- Richland County4
- Bond County4
- Fayette County4
- Montgomery County4
- Calhoun County3
- Greene County3
- Henderson County3
- Jersey County3
- Macoupin County3
- Madison County3
- Warren County3
- Bureau County2
- Carroll County2
- Clinton County2
- Hancock County2
- Henry County2
- Jo Daviess County2
- McDonough County2
- Marion County2
- Mercer County2
- Monroe County2
- Putnam County2
- Rock Island County2
- Saint Clair County2
- Stephenson County2
- Washington County2
- Whiteside County2
- Randolph County1
The latest freezing fog advisories
The most recent on file, newest first.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 11, 7:26 PM CST | Freezing Fog Advisory | PAH | Gallatin, Hamilton, Saline, White | 7 hr |
| Jan 8, 7:25 PM CST | Freezing Fog Advisory | PAH | Edwards, Franklin, Gallatin, Hamilton, Jefferson, Saline and 4 more | 12 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. Warning verification from the Mesonet's Cow. Rebuilt daily.