Winter Weather Advisories in Illinois, 2019

Winter Weather Advisories by county

Each county as a circle sized by its count in 2019. Tap one for its archive.

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 2, 6:04 AM CST	Winter Weather Advisory	LOT	Boone, DeKalb, DuPage, Ford, Grundy, Iroquois and 10 more	5 hr
Jan 2, 6:39 AM CST	Winter Weather Advisory	DVN	Bureau, Carroll, Henry, Jo Daviess, Putnam, Rock Island and 2 more	6 hr
Jan 10, 2:21 PM CST	Winter Weather Advisory	DVN	Bureau, Carroll, Hancock, Henderson, Henry, McDonough and 5 more	55 hr
Jan 10, 4:20 PM CST	Winter Weather Advisory	PAH	Alexander, Gallatin, Hardin, Johnson, Massac, Pope and 2 more	39 hr
Jan 11, 3:15 AM CST	Winter Weather Advisory	LOT	Boone, DeKalb, DuPage, Ford, Grundy, Iroquois and 10 more	48 hr
Jan 11, 3:35 AM CST	Winter Weather Advisory	ILX	Fulton, Knox, McLean, Marshall, Peoria, Stark and 2 more	44 hr
Jan 14, 1:06 PM CST	Winter Weather Advisory	DVN	Bureau, Carroll, Hancock, Henderson, Henry, Jo Daviess and 7 more	41 hr
Jan 14, 1:45 PM CST	Winter Weather Advisory	LOT	Boone, DeKalb, DuPage, Grundy, Kane, Kendall and 6 more	16 hr
Jan 14, 2:56 PM CST	Winter Weather Advisory	ILX	Knox, Marshall, Stark	18 hr
Jan 15, 3:08 PM CST	Winter Weather Advisory	ILX	Cass, Champaign, Christian, Coles, DeWitt, Douglas and 21 more	15 hr
Jan 15, 3:12 PM CST	Winter Weather Advisory	LSX	Adams, Bond, Brown, Calhoun, Clinton, Fayette and 8 more	19 hr
Jan 16, 3:25 AM CST	Winter Weather Advisory	LSX	Adams, Brown, Calhoun, Greene, Jersey, Macoupin and 2 more	30 hr
Jan 16, 9:55 AM CST	Winter Weather Advisory	DVN	Bureau, Hancock, Henderson, Henry, McDonough, Mercer and 3 more	23 hr
Jan 16, 10:46 AM CST	Winter Weather Advisory	ILX	Cass, Champaign, Christian, Clark, Coles, Cumberland and 23 more	22 hr
Jan 18, 2:45 AM CST	Winter Weather Advisory	LSX	Bond, Calhoun, Clinton, Fayette, Greene, Jersey and 8 more	41 hr
Jan 18, 3:10 AM CST	Winter Weather Advisory	ILX	Christian, Clark, Clay, Coles, Crawford, Cumberland and 8 more	45 hr
Jan 18, 2:04 PM CST	Winter Weather Advisory	PAH	Alexander, Edwards, Franklin, Gallatin, Hamilton, Hardin and 13 more	34 hr
Jan 19, 2:33 PM CST	Winter Weather Advisory	LOT	Lake	33 hr
Jan 21, 11:55 AM CST	Winter Weather Advisory	DVN	Bureau, Carroll, Hancock, Henderson, Henry, Jo Daviess and 7 more	48 hr
Jan 21, 1:57 PM CST	Winter Weather Advisory	LOT	Boone, DeKalb, DuPage, Ford, Grundy, Iroquois and 10 more	46 hr
Jan 21, 2:52 PM CST	Winter Weather Advisory	ILX	Cass, Champaign, DeWitt, Fulton, Knox, Logan and 15 more	23 hr
Jan 21, 8:55 PM CST	Winter Weather Advisory	LSX	Adams, Brown	14 hr
Jan 22, 3:06 PM CST	Winter Weather Advisory	ILX	Fulton, Knox, Marshall, Peoria, Schuyler, Stark	20 hr
Jan 22, 3:48 PM CST	Winter Weather Advisory	LSX	Adams, Brown	14 hr
Jan 23, 2:40 PM CST	Winter Weather Advisory	DVN	Bureau, Carroll, Hancock, Henderson, Henry, Jo Daviess and 7 more	30 hr
Jan 26, 3:26 PM CST	Winter Weather Advisory	DVN	Bureau, Carroll, Hancock, Henderson, Henry, Jo Daviess and 7 more	51 hr
Jan 27, 3:01 AM CST	Winter Weather Advisory	LOT	Boone, DeKalb, DuPage, Grundy, Kane, Kankakee and 7 more	45 hr
Jan 29, 11:22 PM CST	Winter Weather Advisory	PAH	Alexander, Gallatin, Hardin, Johnson, Massac, Pope and 2 more	5 hr
Jan 30, 3:47 AM CST	Winter Weather Advisory	LSX	Bond, Calhoun, Clinton, Jersey, Madison, Marion and 4 more	19 hr
Jan 30, 4:26 AM CST	Winter Weather Advisory	PAH	Franklin, Jackson, Jefferson, Perry, Williamson	18 hr
Jan 31, 3:03 AM CST	Winter Weather Advisory	DVN	Bureau, Carroll, Henry, Mercer, Putnam, Rock Island and 1 more	21 hr
Jan 31, 3:17 AM CST	Winter Weather Advisory	LOT	DeKalb, Ford, Grundy, Iroquois, Kane, Kankakee and 5 more	24 hr
Jan 31, 3:29 AM CST	Winter Weather Advisory	ILX	Champaign, Clay, Crawford, DeWitt, Effingham, Jasper and 11 more	24 hr
Jan 31, 2:41 PM CST	Winter Weather Advisory	LSX	Clinton, Marion, Monroe, Randolph, Saint Clair, Washington	12 hr
Jan 31, 2:55 PM CST	Winter Weather Advisory	PAH	Alexander, Edwards, Franklin, Gallatin, Hamilton, Hardin and 13 more	18 hr
Feb 4, 2:05 PM CST	Winter Weather Advisory	LOT	Boone, DeKalb, DuPage, Grundy, Kane, Kankakee and 8 more	34 hr
Feb 4, 2:14 PM CST	Winter Weather Advisory	ILX	Fulton, Knox, McLean, Marshall, Mason, Peoria and 4 more	43 hr
Feb 4, 2:15 PM CST	Winter Weather Advisory	DVN	Bureau, Carroll, Hancock, Henderson, Henry, Jo Daviess and 7 more	37 hr
Feb 4, 3:43 PM CST	Winter Weather Advisory	LSX	Adams, Brown	68 hr
Feb 6, 2:55 AM CST	Winter Weather Advisory	LOT	Boone, DeKalb, Kane, Lake, LaSalle, Lee and 3 more	30 hr
Feb 6, 2:55 AM CST	Winter Weather Advisory	LOT	Boone, DeKalb, Grundy, Kane, Kendall, LaSalle and 4 more	6 hr
Feb 6, 3:08 AM CST	Winter Weather Advisory	DVN	Bureau, Carroll, Hancock, Henderson, Henry, Jo Daviess and 7 more	48 hr
Feb 6, 3:49 AM CST	Winter Weather Advisory	DVN	Bureau, Carroll, Henry, Jo Daviess, McDonough, Mercer and 5 more	47 hr
Feb 7, 12:14 PM CST	Winter Weather Advisory	LOT	Boone, DeKalb, LaSalle, Lee, McHenry, Ogle and 1 more	14 hr
Feb 9, 3:17 AM CST	Winter Weather Advisory	LSX	Adams, Bond, Brown, Calhoun, Clinton, Fayette and 11 more	35 hr
Feb 9, 4:09 AM CST	Winter Weather Advisory	PAH	Alexander, Edwards, Franklin, Gallatin, Hamilton, Hardin and 13 more	32 hr
Feb 10, 7:14 AM CST	Winter Weather Advisory	ILX	Christian, Clark, Clay, Coles, Crawford, Cumberland and 11 more	7 hr
Feb 10, 12:00 PM CST	Winter Weather Advisory	LSX	Adams, Brown, Calhoun, Fayette, Greene, Jersey and 3 more	39 hr
Feb 10, 2:43 PM CST	Winter Weather Advisory	LOT	Boone, DeKalb, DuPage, Ford, Grundy, Iroquois and 10 more	60 hr
Feb 10, 3:17 PM CST	Winter Weather Advisory	ILX	Cass, Champaign, Christian, Clark, Coles, Cumberland and 24 more	51 hr
Feb 11, 11:22 AM CST	Winter Weather Advisory	DVN	Bureau, Carroll, Hancock, Henderson, Henry, McDonough and 4 more	37 hr
Feb 14, 2:40 PM CST	Winter Weather Advisory	PAH	Alexander, Edwards, Franklin, Gallatin, Hamilton, Hardin and 13 more	36 hr
Feb 14, 3:01 PM CST	Winter Weather Advisory	LSX	Clinton, Madison, Monroe, Randolph, Saint Clair, Washington	32 hr
Feb 15, 3:08 PM CST	Winter Weather Advisory	DVN	Bureau, Carroll, Hancock, Henderson, Henry, Jo Daviess and 7 more	57 hr
Feb 16, 3:25 AM CST	Winter Weather Advisory	LSX	Adams, Bond, Brown, Calhoun, Clinton, Fayette and 11 more	39 hr
Feb 16, 3:44 AM CST	Winter Weather Advisory	ILX	Cass, Champaign, Christian, Coles, DeWitt, Douglas and 21 more	44 hr
Feb 16, 2:58 PM CST	Winter Weather Advisory	LOT	Boone, DeKalb, Ford, Iroquois, Kankakee, Lake and 6 more	42 hr
Feb 16, 3:00 PM CST	Winter Weather Advisory	PAH	Jackson, Jefferson, Perry	15 hr
Feb 18, 3:20 PM CST	Winter Weather Advisory	LSX	Adams, Bond, Brown, Calhoun, Clinton, Fayette and 11 more	44 hr
Feb 19, 3:35 AM CST	Winter Weather Advisory	LOT	Boone, DeKalb, DuPage, Ford, Grundy, Iroquois and 10 more	35 hr
Feb 19, 3:42 AM CST	Winter Weather Advisory	ILX	Cass, Champaign, Christian, Clark, Clay, Coles and 29 more	32 hr
Feb 19, 3:46 AM CST	Winter Weather Advisory	DVN	Bureau, Carroll, Hancock, Henderson, Henry, Jo Daviess and 7 more	36 hr
Feb 22, 4:12 AM CST	Winter Weather Advisory	LOT	Boone, DeKalb, Lee, McHenry, Ogle, Winnebago	29 hr
Feb 22, 4:16 AM CST	Winter Weather Advisory	DVN	Bureau, Carroll, Henry, Jo Daviess, Putnam, Rock Island and 2 more	30 hr
Feb 26, 8:23 PM CST	Winter Weather Advisory	DVN	Bureau, Carroll, Hancock, Henderson, Henry, Jo Daviess and 7 more	13 hr
Feb 27, 3:16 AM CST	Winter Weather Advisory	LSX	Bond, Clinton, Fayette, Madison, Marion, Monroe and 3 more	39 hr
Feb 27, 3:32 AM CST	Winter Weather Advisory	LOT	Boone, DeKalb, Kane, Lake, Lee, McHenry and 2 more	5 hr
Feb 27, 3:36 PM CST	Winter Weather Advisory	PAH	Alexander, Edwards, Franklin, Gallatin, Hamilton, Hardin and 13 more	26 hr
Feb 28, 3:02 AM CST	Winter Weather Advisory	ILX	Clay, Effingham, Lawrence, Richland	15 hr
Mar 2, 3:37 AM CST	Winter Weather Advisory	LSX	Adams, Bond, Brown, Calhoun, Clinton, Fayette and 11 more	35 hr
Mar 2, 2:53 PM CST	Winter Weather Advisory	PAH	Edwards, Franklin, Gallatin, Hamilton, Hardin, Jackson and 10 more	23 hr
Mar 6, 3:13 AM CST	Winter Weather Advisory	DVN	Bureau, Hancock, Henderson, Henry, McDonough, Mercer and 3 more	51 hr
Mar 6, 2:53 PM CST	Winter Weather Advisory	ILX	Cass, Champaign, Christian, Clark, Coles, Cumberland and 23 more	43 hr
Mar 6, 3:32 PM CST	Winter Weather Advisory	LSX	Adams, Brown, Greene, Macoupin, Montgomery, Pike	38 hr
Apr 14, 7:40 AM CDT	Winter Weather Advisory	LSX	Adams, Brown, Calhoun, Greene, Pike	3 hr
Apr 14, 8:54 AM CDT	Winter Weather Advisory	ILX	Cass, Fulton, Knox, Logan, McLean, Marshall and 10 more	4 hr
Apr 14, 9:03 AM CDT	Winter Weather Advisory	DVN	Bureau, Hancock, Henry, McDonough, Putnam, Warren	4 hr
Apr 14, 11:23 AM CDT	Winter Weather Advisory	LOT	Boone, DeKalb, Kane, LaSalle, Lee, McHenry and 2 more	4 hr
Apr 27, 3:30 AM CDT	Winter Weather Advisory	DVN	Carroll, Jo Daviess, Stephenson	17 hr
Apr 27, 5:16 PM CDT	Winter Weather Advisory	LOT	Boone, DeKalb, DuPage, Kane, Lake, McHenry and 2 more	6 hr
Oct 29, 2:28 PM CDT	Winter Weather Advisory	DVN	Bureau, Hancock, Henderson, Henry, McDonough, Mercer and 2 more	20 hr
Oct 29, 2:52 PM CDT	Winter Weather Advisory	ILX	Fulton, Knox, Marshall, Mason, Peoria, Schuyler and 3 more	19 hr
Oct 29, 2:55 PM CDT	Winter Weather Advisory	LOT	DuPage, Grundy, Kane, Kendall, LaSalle, Livingston	19 hr
Oct 29, 3:43 PM CDT	Winter Weather Advisory	LSX	Adams	17 hr
Oct 30, 12:30 PM CDT	Winter Weather Advisory	DVN	Bureau, Carroll, Hancock, Henderson, Henry, Jo Daviess and 7 more	28 hr
Oct 30, 12:56 PM CDT	Winter Weather Advisory	LSX	Adams, Brown	21 hr
Oct 30, 2:25 PM CDT	Winter Weather Advisory	ILX	Cass, DeWitt, Fulton, Knox, Logan, McLean and 8 more	24 hr
Oct 30, 2:27 PM CDT	Winter Weather Advisory	LOT	Boone, DeKalb, DuPage, Grundy, Kane, Kendall and 7 more	28 hr
Nov 10, 12:49 PM CST	Winter Weather Advisory	DVN	Bureau, Carroll, Hancock, Henderson, Henry, Jo Daviess and 7 more	24 hr
Nov 10, 12:55 PM CST	Winter Weather Advisory	LOT	Boone, DeKalb, DuPage, Ford, Grundy, Iroquois and 10 more	32 hr
Nov 10, 2:57 PM CST	Winter Weather Advisory	LSX	Adams, Bond, Brown, Calhoun, Clinton, Fayette and 11 more	28 hr
Nov 10, 3:08 PM CST	Winter Weather Advisory	ILX	Cass, Champaign, Christian, Clark, Clay, Coles and 29 more	29 hr
Nov 11, 3:58 AM CST	Winter Weather Advisory	PAH	Alexander, Edwards, Franklin, Gallatin, Hamilton, Hardin and 13 more	19 hr
Dec 9, 11:31 AM CST	Winter Weather Advisory	DVN	Carroll, Henry, Jo Daviess, Mercer, Rock Island, Stephenson and 1 more	4 hr
Dec 9, 1:57 PM CST	Winter Weather Advisory	LOT	Boone, DeKalb, Kane, Lake, Lee, McHenry and 2 more	109 min
Dec 14, 3:15 PM CST	Winter Weather Advisory	LSX	Adams, Brown, Pike, Randolph	57 hr
Dec 15, 3:53 AM CST	Winter Weather Advisory	ILX	Cass, Champaign, Clay, DeWitt, Fulton, Knox and 18 more	44 hr
Dec 15, 4:20 AM CST	Winter Weather Advisory	PAH	Edwards, Franklin, Gallatin, Hamilton, Hardin, Jackson and 10 more	51 hr
Dec 15, 2:14 PM CST	Winter Weather Advisory	DVN	Hancock, Henderson, McDonough, Warren	12 hr
Dec 15, 7:52 PM CST	Winter Weather Advisory	LOT	Ford, Iroquois, Livingston	7 hr
Dec 17, 3:00 AM CST	Winter Weather Advisory	PAH	White	4 hr

By county

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

60 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 2018 2020

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.