Alert archive / Illinois / Winter Weather Advisories / 2018
Winter Weather Advisories in Illinois, February 2018
35 winter weather advisories in February 2018. 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 2018. Tap one for its archive.
- Winter Weather Advisories
- 35
- Busiest day
- February 10, 20186 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, 3:02 AM CST | Winter Weather Advisory | LOT | Lake, McHenry | 39 hr |
| Feb 4, 1:53 PM CST | Winter Weather Advisory | DVN | Bureau, Carroll, Hancock, Henderson, Henry, Jo Daviess and 7 more | 32 hr |
| Feb 4, 2:44 PM CST | Winter Weather Advisory | LOT | Boone, DeKalb, DuPage, Ford, Grundy, Iroquois and 10 more | 33 hr |
| Feb 4, 2:55 PM CST | Winter Weather Advisory | ILX | Fulton, Knox, McLean, Marshall, Peoria, Stark and 2 more | 33 hr |
| Feb 5, 11:15 AM CST | Winter Weather Advisory | LSX | Adams, Bond, Brown, Calhoun, Clinton, Fayette and 8 more | 13 hr |
| Feb 5, 6:26 PM CST | Winter Weather Advisory | PAH | Edwards, Franklin, Hamilton, Jefferson, Perry, Wabash and 2 more | 6 hr |
| Feb 6, 3:30 AM CST | Winter Weather Advisory | ILX | Clark, Clay, Crawford, Cumberland, Effingham, Fulton and 12 more | 25 hr |
| Feb 6, 3:34 AM CST | Winter Weather Advisory | LSX | Adams, Bond, Clinton, Fayette, Madison, Marion and 5 more | 25 hr |
| Feb 6, 3:34 AM CST | Winter Weather Advisory | PAH | Alexander, Edwards, Franklin, Gallatin, Hamilton, Hardin and 13 more | 26 hr |
| Feb 6, 3:56 AM CST | Winter Weather Advisory | DVN | Hancock, Henderson, McDonough, Warren | 23 hr |
| Feb 8, 2:59 AM CST | Winter Weather Advisory | DVN | Bureau, Henderson, Henry, Mercer, Putnam, Rock Island and 2 more | 39 hr |
| Feb 8, 1:22 PM CST | Winter Weather Advisory | ILX | Knox, Marshall, Peoria, Stark, Woodford | 31 hr |
| Feb 9, 2:27 AM CST | Winter Weather Advisory | LOT | Grundy, LaSalle | 10 hr |
| Feb 9, 3:09 PM CST | Winter Weather Advisory | DVN | Henderson, Henry, Mercer, Rock Island, Warren, Whiteside | 18 hr |
| Feb 9, 3:10 PM CST | Winter Weather Advisory | LOT | Kankakee, Livingston | 6 hr |
| Feb 9, 6:26 PM CST | Winter Weather Advisory | DVN | Henderson, Mercer, Warren | 3 hr |
| Feb 10, 4:20 AM CST | Winter Weather Advisory | LSX | Adams, Bond, Brown, Calhoun, Clinton, Fayette and 11 more | 29 hr |
| Feb 10, 2:37 PM CST | Winter Weather Advisory | LOT | Boone, DeKalb, DuPage, Ford, Grundy, Iroquois and 10 more | 21 hr |
| Feb 10, 3:03 PM CST | Winter Weather Advisory | PAH | Alexander, Edwards, Franklin, Gallatin, Hamilton, Jackson and 9 more | 17 hr |
| Feb 10, 3:14 PM CST | Winter Weather Advisory | DVN | Bureau, Carroll, Hancock, Henderson, Henry, McDonough and 6 more | 18 hr |
| Feb 10, 3:46 PM CST | Winter Weather Advisory | ILX | Cass, Champaign, Christian, Clark, Clay, Coles and 29 more | 17 hr |
| Feb 11, 6:58 PM CST | Winter Weather Advisory | PAH | Hardin, Massac, Pope | 5 hr |
| Feb 17, 9:08 AM CST | Winter Weather Advisory | PAH | Edwards, Franklin, Gallatin, Hamilton, Jackson, Jefferson and 8 more | 3 hr |
| Feb 17, 9:16 AM CST | Winter Weather Advisory | LSX | Bond, Calhoun, Clinton, Fayette, Greene, Jersey and 8 more | 4 hr |
| Feb 20, 2:50 PM CST | Winter Weather Advisory | LSX | Adams, Bond, Brown, Calhoun, Clinton, Fayette and 11 more | 44 hr |
| Feb 20, 3:09 PM CST | Winter Weather Advisory | ILX | Cass, Champaign, Christian, DeWitt, Douglas, Fulton and 18 more | 15 hr |
| Feb 20, 3:31 PM CST | Winter Weather Advisory | LOT | DeKalb, DuPage, Ford, Grundy, Iroquois, Kane and 6 more | 15 hr |
| Feb 20, 3:42 PM CST | Winter Weather Advisory | DVN | Bureau, Hancock, Henderson, Henry, McDonough, Mercer and 3 more | 11 hr |
| Feb 21, 3:33 AM CST | Winter Weather Advisory | LSX | Adams, Brown, Calhoun, Greene, Jersey, Macoupin and 5 more | 31 hr |
| Feb 21, 3:41 PM CST | Winter Weather Advisory | ILX | Cass, Champaign, Christian, Coles, DeWitt, Douglas and 21 more | 18 hr |
| Feb 21, 3:47 PM CST | Winter Weather Advisory | DVN | Hancock, Henderson, McDonough, Warren | 20 hr |
| Feb 22, 3:23 AM CST | Winter Weather Advisory | DVN | Jo Daviess | 9 hr |
| Feb 23, 2:58 PM CST | Winter Weather Advisory | ILX | Fulton, Knox | 18 hr |
| Feb 23, 3:13 PM CST | Winter Weather Advisory | DVN | Hancock, Henderson, Henry, McDonough, Mercer, Rock Island and 1 more | 20 hr |
| Feb 24, 9:06 AM CST | Winter Weather Advisory | DVN | Henderson, Henry, Mercer, Rock Island, Warren | 114 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Henderson County10
- Warren County10
- Mercer County8
- Henry County7
- Knox County7
- Hancock County6
- McDonough County6
- Rock Island County6
- Fulton County6
- Marshall County6
- Peoria County6
- Stark County6
- Woodford County6
- Madison County6
- Monroe County6
- Saint Clair County6
- Whiteside County5
- McLean County5
- Tazewell County5
- Adams County5
- Bond County5
- Calhoun County5
- Clinton County5
- Fayette County5
- Jersey County5
- Marion County5
- Randolph County5
- Washington County5
- Montgomery County5
- Lake County4
- Bureau County4
- Putnam County4
- Grundy County4
- Kankakee County4
- LaSalle County4
- Livingston County4
- Brown County4
- Pike County4
- Edwards County4
- Franklin County4
60 more counties
- Hamilton County4
- Jefferson County4
- Perry County4
- Wabash County4
- Wayne County4
- White County4
- Schuyler County4
- Shelby County4
- Greene County4
- Macoupin County4
- McHenry County3
- DeKalb County3
- DuPage County3
- Ford County3
- Iroquois County3
- Kane County3
- Kendall County3
- Lee County3
- Gallatin County3
- Jackson County3
- Johnson County3
- Saline County3
- Union County3
- Williamson County3
- Cass County3
- Champaign County3
- Christian County3
- DeWitt County3
- Douglas County3
- Logan County3
- Macon County3
- Mason County3
- Menard County3
- Morgan County3
- Moultrie County3
- Piatt County3
- Sangamon County3
- Scott County3
- Carroll County2
- Jo Daviess County2
- Stephenson County2
- Boone County2
- Ogle County2
- Winnebago County2
- Clark County2
- Clay County2
- Crawford County2
- Cumberland County2
- Effingham County2
- Jasper County2
- Lawrence County2
- Richland County2
- Alexander County2
- Hardin County2
- Massac County2
- Pope County2
- Coles County2
- Edgar County2
- Vermilion County2
- Pulaski County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive20172019
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.