Alert archive / Illinois / Winter Weather Advisories

Winter Weather Advisories in Illinois, 2023

41 winter weather advisories in 2023. 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 2023. Tap one for its archive.

Winter Weather Advisories: 41
Busiest month: January15 winter weather advisories
Busiest day: January 24, 20234 winter weather advisories

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
Jan 18, 2:51 AM CST	Winter Weather Advisory	DVN	Jo Daviess	30 hr
Jan 23, 2:12 PM CST	Winter Weather Advisory	LSX	Adams, Brown, Calhoun, Greene, Jersey, Macoupin and 2 more	45 hr
Jan 24, 1:29 AM CST	Winter Weather Advisory	ILX	Cass, DeWitt, Fulton, Knox, Logan, McLean and 11 more	35 hr
Jan 24, 1:54 AM CST	Winter Weather Advisory	DVN	Bureau, Carroll, Hancock, Henderson, Henry, Jo Daviess and 7 more	36 hr
Jan 24, 1:57 AM CST	Winter Weather Advisory	LOT	Boone, Cook, DeKalb, DuPage, Ford, Grundy and 12 more	52 hr
Jan 24, 2:10 AM CST	Winter Weather Advisory	PAH	Alexander, Gallatin, Johnson, Pope, Pulaski, Saline and 3 more	32 hr
Jan 27, 3:05 AM CST	Winter Weather Advisory	DVN	Bureau, Carroll, Hancock, Henderson, Henry, Jo Daviess and 7 more	51 hr
Jan 27, 2:28 PM CST	Winter Weather Advisory	LOT	Boone, Cook, DeKalb, DuPage, Grundy, Kane and 10 more	40 hr
Jan 28, 2:31 PM CST	Winter Weather Advisory	ILX	Cass, Fulton, Knox, Logan, McLean, Marshall and 10 more	17 hr
Jan 29, 12:59 PM CST	Winter Weather Advisory	PAH	Alexander, Edwards, Franklin, Gallatin, Hamilton, Hardin and 13 more	20 hr
Jan 29, 1:30 PM CST	Winter Weather Advisory	LSX	Bond, Calhoun, Clinton, Fayette, Greene, Jersey and 9 more	20 hr
Jan 29, 1:54 PM CST	Winter Weather Advisory	ILX	Cass, Champaign, Christian, Clark, Clay, Coles and 25 more	21 hr
Jan 30, 12:03 AM CST	Winter Weather Advisory	LOT	Cook, Ford, Grundy, Iroquois, Kankakee, Kendall and 3 more	8 hr
Jan 30, 3:21 AM CST	Winter Weather Advisory	PAH	Alexander, Edwards, Franklin, Gallatin, Hamilton, Hardin and 13 more	30 hr
Jan 31, 10:20 AM CST	Winter Weather Advisory	PAH	Alexander, Hardin, Johnson, Massac, Pope, Pulaski and 1 more	12 hr
Feb 8, 2:45 PM CST	Winter Weather Advisory	DVN	Carroll, Henry, Jo Daviess, Mercer, Rock Island, Stephenson and 1 more	26 hr
Feb 15, 2:58 AM CST	Winter Weather Advisory	LSX	Adams, Brown	39 hr
Feb 15, 3:11 AM CST	Winter Weather Advisory	ILX	Fulton, Knox, Marshall, Peoria, Schuyler, Stark and 2 more	42 hr
Feb 15, 3:18 AM CST	Winter Weather Advisory	DVN	Bureau, Carroll, Hancock, Henderson, Henry, McDonough and 5 more	42 hr
Feb 15, 3:35 AM CST	Winter Weather Advisory	LOT	Cook, DeKalb, DuPage, Grundy, Kane, Kendall and 3 more	53 hr
Feb 21, 2:10 PM CST	Winter Weather Advisory	DVN	Carroll, Jo Daviess, Stephenson, Whiteside	46 hr
Feb 21, 3:00 PM CST	Winter Weather Advisory	LOT	Boone, Cook, DeKalb, DuPage, Kane, Lake and 4 more	36 hr
Feb 24, 2:47 PM CST	Winter Weather Advisory	LSX	Adams, Brown, Greene, Macoupin, Montgomery, Pike	13 hr
Feb 24, 2:52 PM CST	Winter Weather Advisory	ILX	Cass, Champaign, Christian, Coles, DeWitt, Douglas and 13 more	14 hr
Mar 2, 8:30 PM CST	Winter Weather Advisory	ILX	Champaign, DeWitt, McLean, Piatt, Vermilion	22 hr
Mar 2, 8:38 PM CST	Winter Weather Advisory	LOT	Cook, DuPage, Ford, Grundy, Kendall, Livingston and 1 more	22 hr
Mar 8, 2:54 PM CST	Winter Weather Advisory	LOT	Boone, Cook, DeKalb, DuPage, Kane, Lake and 4 more	40 hr
Mar 8, 3:04 PM CST	Winter Weather Advisory	DVN	Henry, Mercer, Rock Island, Whiteside	37 hr
Mar 24, 2:56 AM CDT	Winter Weather Advisory	DVN	Bureau, Carroll, Henry, Jo Daviess, Mercer, Putnam and 3 more	32 hr
Mar 24, 3:08 AM CDT	Winter Weather Advisory	LOT	Boone, Cook, DeKalb, DuPage, Kane, Kendall and 6 more	30 hr
Apr 15, 3:19 PM CDT	Winter Weather Advisory	DVN	Carroll, Jo Daviess, Stephenson	40 hr
Oct 31, 2:45 PM CDT	Winter Weather Advisory	LOT	Cook, Lake	14 hr
Nov 25, 2:33 AM CST	Winter Weather Advisory	LSX	Adams, Brown	30 hr
Nov 25, 2:37 AM CST	Winter Weather Advisory	ILX	Cass, Fulton, Knox, Marshall, Mason, Peoria and 4 more	33 hr
Nov 25, 3:21 AM CST	Winter Weather Advisory	DVN	Bureau, Carroll, Hancock, Henderson, Henry, Jo Daviess and 7 more	33 hr
Nov 25, 2:10 PM CST	Winter Weather Advisory	LOT	Boone, Cook, DeKalb, DuPage, Grundy, Kane and 8 more	22 hr
Nov 30, 2:37 AM CST	Winter Weather Advisory	DVN	Rock Island	28 hr
Dec 28, 5:59 AM CST	Winter Weather Advisory	DVN	Bureau, Carroll, Henry, Jo Daviess, Mercer, Putnam and 3 more	18 hr
Dec 30, 5:56 PM CST	Winter Weather Advisory	DVN	Bureau, Carroll, Henderson, Henry, Jo Daviess, Mercer and 5 more	18 hr
Dec 30, 6:15 PM CST	Winter Weather Advisory	LOT	Boone, Cook, DeKalb, DuPage, Ford, Grundy and 12 more	17 hr
Dec 30, 7:40 PM CST	Winter Weather Advisory	ILX	Champaign, DeWitt, Knox, McLean, Marshall, Peoria and 5 more	15 hr

By county

Every county with at least one alert. A county page lists each alert that covered it.

62 more counties

The busiest days

Days with the most alerts issued, by UTC date.

Nearby

Alerts in force now Tornadoes on record The radar archive 2022 2024

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.