Alert archive / Illinois / Winter Weather Advisories

Winter Weather Advisories in Illinois, 2009

47 winter weather advisories in 2009. 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 2009. Tap one for its archive.

Winter Weather Advisories: 47
Busiest month: January18 winter weather advisories
Busiest day: January 12, 20094 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 3, 3:24 AM CST	Winter Weather Advisory	DVN	Carroll, Jo Daviess, Stephenson, Whiteside	26 hr
Jan 5, 11:00 AM CST	Winter Weather Advisory	PAH	Alexander, Edwards, Franklin, Gallatin, Hamilton, Hardin and 13 more	25 hr
Jan 5, 3:12 PM CST	Winter Weather Advisory	ILX	Champaign, Christian, Clark, Clay, Coles, Crawford and 12 more	20 hr
Jan 5, 3:42 PM CST	Winter Weather Advisory	LSX	Bond, Clinton, Fayette, Madison, Marion, Monroe and 4 more	17 hr
Jan 6, 11:59 AM CST	Winter Weather Advisory	ILX	Champaign, DeWitt, McLean, Piatt, Vermilion	4 hr
Jan 8, 2:53 PM CST	Winter Weather Advisory	LOT	Boone, DeKalb, DuPage, Ford, Grundy, Iroquois and 10 more	51 hr
Jan 8, 3:11 PM CST	Winter Weather Advisory	DVN	Bureau, Carroll, Henry, Jo Daviess, Putnam, Rock Island and 2 more	48 hr
Jan 10, 2:27 AM CST	Winter Weather Advisory	ILX	Champaign, Coles, DeWitt, Douglas, Edgar, McLean and 6 more	8 hr
Jan 12, 3:24 AM CST	Winter Weather Advisory	DVN	Bureau, Carroll, Henderson, Henry, Jo Daviess, Mercer and 5 more	23 hr
Jan 12, 4:21 AM CST	Winter Weather Advisory	LOT	Boone, DeKalb, DuPage, Ford, Grundy, Iroquois and 10 more	28 hr
Jan 12, 1:06 PM CST	Winter Weather Advisory	DVN	Hancock, McDonough	14 hr
Jan 12, 3:06 PM CST	Winter Weather Advisory	ILX	Champaign, DeWitt, Fulton, Knox, Logan, McLean and 9 more	11 hr
Jan 13, 3:15 AM CST	Winter Weather Advisory	DVN	Bureau, Carroll, Henderson, Henry, Jo Daviess, McDonough and 6 more	36 hr
Jan 13, 2:53 PM CST	Winter Weather Advisory	ILX	Cass, Champaign, Christian, Coles, DeWitt, Douglas and 21 more	27 hr
Jan 13, 3:02 PM CST	Winter Weather Advisory	LOT	Boone, DeKalb, DuPage, Ford, Grundy, Iroquois and 10 more	33 hr
Jan 17, 4:48 PM CST	Winter Weather Advisory	DVN	Bureau, Carroll, Henderson, Henry, Jo Daviess, Mercer and 5 more	7 hr
Jan 26, 3:35 AM CST	Winter Weather Advisory	ILX	Champaign, Christian, Clark, Clay, Coles, Crawford and 15 more	54 hr
Jan 26, 4:05 AM CST	Winter Weather Advisory	LSX	Calhoun, Greene, Jersey, Macoupin, Montgomery, Pike	44 hr
Feb 20, 3:34 AM CST	Winter Weather Advisory	ILX	Fulton, Knox, McLean, Marshall, Peoria, Stark and 2 more	38 hr
Feb 20, 3:41 AM CST	Winter Weather Advisory	LOT	Boone, DeKalb, DuPage, Ford, Grundy, Iroquois and 10 more	41 hr
Feb 20, 4:17 AM CST	Winter Weather Advisory	DVN	Bureau, Hancock, Henderson, Henry, McDonough, Mercer and 3 more	35 hr
Feb 27, 2:56 PM CST	Winter Weather Advisory	PAH	Alexander, Hardin, Jackson, Johnson, Massac, Pope and 2 more	31 hr
Mar 28, 3:31 AM CDT	Winter Weather Advisory	LSX	Adams, Bond, Brown, Calhoun, Greene, Jersey and 6 more	24 hr
Mar 28, 3:40 AM CDT	Winter Weather Advisory	LOT	DuPage, Ford, Grundy, Kankakee, Livingston	24 hr
Mar 28, 3:48 AM CDT	Winter Weather Advisory	ILX	Cass, Christian, DeWitt, Fulton, Knox, Logan and 13 more	28 hr
Mar 29, 3:11 AM CDT	Winter Weather Advisory	LOT	Boone, DeKalb, DuPage, Kane, Kendall, Lake and 5 more	8 hr
Mar 29, 3:35 AM CDT	Winter Weather Advisory	DVN	Bureau, Carroll, Hancock, Henderson, Henry, McDonough and 6 more	5 hr
Mar 29, 4:15 AM CDT	Winter Weather Advisory	LSX	Bond, Clinton, Fayette, Marion, Montgomery, Washington	3 hr
Apr 4, 4:47 AM CDT	Winter Weather Advisory	LOT	Boone, Lake, McHenry, Ogle, Winnebago	42 hr
Apr 4, 3:43 PM CDT	Winter Weather Advisory	DVN	Carroll, Jo Daviess, Rock Island, Stephenson, Whiteside	28 hr
Dec 7, 2:26 PM CST	Winter Weather Advisory	LSX	Adams, Brown, Pike	38 hr
Dec 7, 2:59 PM CST	Winter Weather Advisory	ILX	Fulton, Knox, Marshall, Mason, Peoria, Schuyler and 3 more	60 hr
Dec 7, 9:35 PM CST	Winter Weather Advisory	LOT	Boone, DeKalb, DuPage, Grundy, Kane, Kendall and 6 more	50 hr
Dec 9, 3:41 PM CST	Winter Weather Advisory	DVN	Bureau, Carroll, Hancock, Henderson, Henry, Jo Daviess and 7 more	12 hr
Dec 12, 3:20 PM CST	Winter Weather Advisory	LOT	Boone, DeKalb, Lake, Lee, McHenry, Ogle and 1 more	4 hr
Dec 22, 2:57 PM CST	Winter Weather Advisory	ILX	Champaign, Knox, McLean, Marshall, Peoria, Stark and 3 more	19 hr
Dec 22, 3:35 PM CST	Winter Weather Advisory	LOT	Boone, DeKalb, DuPage, Ford, Grundy, Iroquois and 10 more	29 hr
Dec 22, 4:07 PM CST	Winter Weather Advisory	DVN	Bureau, Carroll, Henry, Jo Daviess, Putnam, Rock Island and 2 more	36 hr
Dec 23, 9:05 PM CST	Winter Weather Advisory	LOT		15 hr
Dec 26, 9:33 AM CST	Winter Weather Advisory	LOT	Boone, DeKalb, DuPage, Grundy, Kane, Kendall and 6 more	11 hr
Dec 26, 9:46 AM CST	Winter Weather Advisory	DVN	Bureau, Carroll, Henry, Putnam, Whiteside	10 hr
Dec 26, 10:19 AM CST	Winter Weather Advisory	ILX	Fulton, Knox, Marshall, Peoria, Stark, Tazewell and 1 more	11 hr
Dec 27, 2:30 AM CST	Winter Weather Advisory	DVN	Hancock, Henderson, McDonough, Warren	12 hr
Dec 27, 3:09 AM CST	Winter Weather Advisory	LSX	Adams, Brown, Fayette, Greene, Macoupin, Montgomery and 1 more	13 hr
Dec 27, 3:14 AM CST	Winter Weather Advisory	ILX	Cass, Champaign, Christian, Clark, Coles, Cumberland and 24 more	12 hr
Dec 27, 4:29 AM CST	Winter Weather Advisory	LOT	Ford, Iroquois, Kankakee, Livingston	10 hr
Dec 30, 9:40 AM CST	Winter Weather Advisory	ILX	Cass, Fulton, Knox, Marshall, Mason, Menard and 7 more	14 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 2008 2010

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.