Alert archive / Illinois / Winter Weather Advisories / 2021
Winter Weather Advisories in Illinois, February 2021
25 winter weather advisories in February 2021. 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 weather advisories reaches back to 2005.
Winter Weather Advisories by county
Each county as a circle sized by its count in February 2021. Tap one for its archive.
- Winter Weather Advisories
- 25
- Busiest day
- February 8, 20215 winter weather advisories
Over time
By day
Days in UTC, the clock the archive keeps.
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 |
|---|---|---|---|---|
| Feb 3, 4:01 AM CST | Winter Weather Advisory | DVN | Bureau, Carroll, Hancock, Henderson, Henry, Jo Daviess and 7 more | 56 hr |
| Feb 3, 2:29 PM CST | Winter Weather Advisory | LOT | Boone, Cook, DeKalb, DuPage, Grundy, Kane and 10 more | 46 hr |
| Feb 3, 4:03 PM CST | Winter Weather Advisory | ILX | Fulton, Knox, McLean, Marshall, Peoria, Stark and 2 more | 38 hr |
| Feb 5, 1:38 PM CST | Winter Weather Advisory | DVN | Bureau, Hancock, Henderson, Henry, McDonough, Mercer and 2 more | 29 hr |
| Feb 5, 2:01 PM CST | Winter Weather Advisory | ILX | Cass, Champaign, Christian, Coles, DeWitt, Douglas and 21 more | 33 hr |
| Feb 5, 2:19 PM CST | Winter Weather Advisory | LSX | Adams, Bond, Brown, Calhoun, Clinton, Fayette and 8 more | 31 hr |
| Feb 5, 2:24 PM CST | Winter Weather Advisory | LOT | Cook, DeKalb, DuPage, Ford, Grundy, Iroquois and 8 more | 31 hr |
| Feb 6, 9:23 AM CST | Winter Weather Advisory | DVN | Bureau, Hancock, Henderson, Henry, McDonough, Mercer and 4 more | 10 hr |
| Feb 8, 3:54 AM CST | Winter Weather Advisory | PAH | Edwards, Franklin, Gallatin, Hamilton, Jackson, Jefferson and 7 more | 26 hr |
| Feb 8, 9:18 AM CST | Winter Weather Advisory | LSX | Bond, Calhoun, Clinton, Fayette, Jersey, Madison and 5 more | 19 hr |
| Feb 8, 11:03 AM CST | Winter Weather Advisory | DVN | Bureau, Carroll, Hancock, Henderson, Henry, McDonough and 4 more | 12 hr |
| Feb 8, 11:13 AM CST | Winter Weather Advisory | LOT | Cook, DeKalb, DuPage, Grundy, Kane, Kendall and 4 more | 16 hr |
| Feb 8, 1:06 PM CST | Winter Weather Advisory | ILX | Clay, Crawford, Jasper, Lawrence, Richland | 17 hr |
| Feb 9, 4:02 AM CST | Winter Weather Advisory | LSX | Bond, Calhoun, Clinton, Jersey, Madison, Marion and 4 more | 38 hr |
| Feb 9, 2:56 PM CST | Winter Weather Advisory | ILX | Clay, Lawrence, Richland | 31 hr |
| Feb 9, 3:10 PM CST | Winter Weather Advisory | PAH | Edwards, Franklin, Gallatin, Hamilton, Jackson, Jefferson and 8 more | 41 hr |
| Feb 11, 4:10 PM CST | Winter Weather Advisory | LOT | Cook, DuPage, Lake | 12 hr |
| Feb 13, 2:40 PM CST | Winter Weather Advisory | LSX | Adams, Bond, Brown, Calhoun, Clinton, Fayette and 11 more | 56 hr |
| Feb 13, 3:10 PM CST | Winter Weather Advisory | ILX | Cass, Champaign, Christian, Clark, Clay, Coles and 26 more | 60 hr |
| Feb 14, 3:59 AM CST | Winter Weather Advisory | LOT | Ford, Iroquois, Kankakee, Will | 10 hr |
| Feb 14, 1:43 PM CST | Winter Weather Advisory | DVN | Bureau, Hancock, Henderson, Henry, McDonough, Mercer and 4 more | 40 hr |
| Feb 14, 2:19 PM CST | Winter Weather Advisory | LOT | Boone, DeKalb, DuPage, Grundy, Kane, Kendall and 8 more | 43 hr |
| Feb 16, 3:26 AM CST | Winter Weather Advisory | LSX | Calhoun, Clinton, Jersey, Madison, Monroe, Randolph and 2 more | 39 hr |
| Feb 16, 4:35 AM CST | Winter Weather Advisory | PAH | Alexander, Edwards, Gallatin, Hamilton, Hardin, Johnson and 8 more | 53 hr |
| Feb 20, 2:35 PM CST | Winter Weather Advisory | DVN | Carroll, Henry, Jo Daviess, Mercer, Rock Island, Stephenson and 1 more | 30 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Henry County6
- Bureau County5
- Hancock County5
- Henderson County5
- McDonough County5
- Mercer County5
- Putnam County5
- Rock Island County5
- Warren County5
- Whiteside County5
- DuPage County5
- Will County5
- Calhoun County5
- Clinton County5
- Jersey County5
- Madison County5
- Monroe County5
- Saint Clair County5
- Cook County4
- DeKalb County4
- Grundy County4
- Kane County4
- Kendall County4
- LaSalle County4
- Lee County4
- Ogle County4
- Bond County4
- Randolph County4
- Washington County4
- Carroll County3
- Kankakee County3
- Lake County3
- Livingston County3
- Fulton County3
- Knox County3
- McLean County3
- Marshall County3
- Peoria County3
- Stark County3
- Tazewell County3
62 more counties
- Woodford County3
- Fayette County3
- Edwards County3
- Gallatin County3
- Hamilton County3
- Saline County3
- Union County3
- Wabash County3
- White County3
- Williamson County3
- Marion County3
- Clay County3
- Jo Daviess County2
- Stephenson County2
- Boone County2
- McHenry County2
- Winnebago County2
- Cass County2
- Champaign County2
- Christian County2
- Coles County2
- DeWitt County2
- Douglas County2
- Edgar County2
- Logan County2
- Macon County2
- Mason County2
- Menard County2
- Morgan County2
- Moultrie County2
- Piatt County2
- Sangamon County2
- Schuyler County2
- Scott County2
- Shelby County2
- Vermilion County2
- Adams County2
- Brown County2
- Greene County2
- Macoupin County2
- Montgomery County2
- Pike County2
- Ford County2
- Iroquois County2
- Franklin County2
- Jackson County2
- Jefferson County2
- Perry County2
- Wayne County2
- Jasper County2
- Lawrence County2
- Richland County2
- Johnson County2
- Crawford County1
- Clark County1
- Cumberland County1
- Effingham County1
- Alexander County1
- Hardin County1
- Massac County1
- Pope County1
- Pulaski County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive20202022
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.