Weather alerts in Illinois, December 2010

121 weather alerts in December 2010, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered any part of the state, so the counties below add up to more than the state.

Weather alerts by county

Each county as a circle sized by its count in December 2010. Tap one for its archive.

Alerts: 121
Warnings: 37
Watches: 11
Advisories: 61
Busiest day: December 31, 201047 alerts

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
Dec 2, 3:20 AM CST	Small Craft Advisory	LOT		27 hr
Dec 2, 3:54 AM CST	Winter Storm Watch	DVN	Carroll, Jo Daviess, Stephenson, Whiteside	24 hr
Dec 3, 2:28 AM CST	Winter Weather Advisory	LOT	Boone, DeKalb, DuPage, Ford, Grundy, Iroquois and 10 more	50 hr
Dec 3, 3:36 AM CST	Winter Weather Advisory	DVN	Bureau, Carroll, Henderson, Henry, Jo Daviess, Mercer and 5 more	38 hr
Dec 3, 3:10 PM CST	Winter Weather Advisory	ILX	Champaign, Coles, DeWitt, Douglas, Edgar, Knox and 8 more	27 hr
Dec 3, 5:50 PM CST	Mesoscale Discussion	SPC	Jo Daviess	5 hr
Dec 3, 9:56 PM CST	Small Craft Advisory	LOT		4 days
Dec 4, 12:18 AM CST	Winter Storm Warning	ILX	Champaign, McLean, Marshall, Piatt, Vermilion, Woodford	18 hr
Dec 4, 3:06 PM CST	Gale Watch	LOT		12 hr
Dec 5, 3:16 AM CST	Gale Warning	LOT		60 hr
Dec 8, 3:04 AM CST	Small Craft Advisory	LOT		7 hr
Dec 8, 2:54 PM CST	Small Craft Advisory	LOT		42 hr
Dec 9, 3:09 AM CST	Gale Warning	LOT		24 hr
Dec 10, 9:06 AM CST	Gale Watch	LOT		6 hr
Dec 10, 2:51 PM CST	Storm Watch	LOT		24 hr
Dec 10, 3:07 PM CST	Blizzard Watch	DVN	Bureau, Carroll, Hancock, Henderson, Henry, Jo Daviess and 7 more	21 hr
Dec 10, 3:38 PM CST	Winter Weather Advisory	ILX	Cass, Champaign, Christian, Clark, Clay, Coles and 29 more	53 hr
Dec 10, 3:58 PM CST	Winter Storm Watch	LOT	Boone, DeKalb, DuPage, Ford, Grundy, Iroquois and 10 more	23 hr
Dec 10, 10:08 PM CST	Dense Fog Advisory	LOT	Boone, DeKalb, DuPage, Grundy, Kane, Kankakee and 8 more	7 hr
Dec 11, 3:08 AM CST	Small Craft Advisory	LOT		21 hr
Dec 11, 3:46 AM CST	Blizzard Warning	DVN	Bureau, Carroll, Hancock, Henderson, Henry, Jo Daviess and 7 more	32 hr
Dec 11, 4:15 AM CST	Winter Weather Advisory	LSX	Adams, Bond, Brown, Calhoun, Clinton, Fayette and 11 more	32 hr
Dec 11, 12:58 PM CST	Lakeshore Flood Warning	LOT		47 hr
Dec 11, 1:07 PM CST	Winter Storm Warning	LOT	Boone, DeKalb, DuPage, Ford, Grundy, Iroquois and 10 more	26 hr
Dec 11, 2:31 PM CST	Storm Warning	LOT		44 hr
Dec 11, 2:35 PM CST	Blizzard Warning	ILX	Fulton, Knox, McLean, Marshall, Mason, Peoria and 4 more	24 hr
Dec 11, 3:24 PM CST	Winter Weather Advisory	PAH	Alexander, Edwards, Franklin, Gallatin, Hamilton, Hardin and 13 more	21 hr
Dec 11, 4:09 PM CST	Wind Advisory	LSX	Adams, Bond, Brown, Calhoun, Clinton, Fayette and 11 more	29 hr
Dec 11, 9:09 PM CST	Wind Advisory	PAH	Alexander, Edwards, Franklin, Gallatin, Hamilton, Hardin and 13 more	18 hr
Dec 11, 9:35 PM CST	Winter Weather Advisory	LSX	Adams, Brown, Pike	14 hr
Dec 12, 3:45 AM CST	Heavy Freezing Spray Warning	LOT		44 hr
Dec 12, 4:19 AM CST	Wind Chill Advisory	LSX	Adams, Brown, Calhoun, Greene, Jersey, Macoupin and 5 more	30 hr
Dec 12, 4:19 AM CST	Winter Weather Advisory	LSX	Bond, Clinton, Fayette, Macoupin, Madison, Marion and 5 more	17 hr
Dec 12, 12:00 PM CST	Winter Weather Advisory	PAH	Edwards, Franklin, Gallatin, Hamilton, Hardin, Jefferson and 8 more	10 hr
Dec 12, 2:45 PM CST	Wind Chill Advisory	DVN	Bureau, Carroll, Hancock, Henderson, Henry, Jo Daviess and 7 more	19 hr
Dec 12, 2:48 PM CST	Wind Chill Advisory	LOT	Boone, DeKalb, Grundy, Kane, Kendall, LaSalle and 5 more	20 hr
Dec 12, 2:48 PM CST	Winter Weather Advisory	LOT	Boone, DeKalb, DuPage, Ford, Grundy, Iroquois and 10 more	9 hr
Dec 12, 3:01 PM CST	Wind Chill Advisory	ILX	Cass, Champaign, Christian, DeWitt, Douglas, Fulton and 19 more	18 hr
Dec 12, 3:38 PM CST	Wind Advisory	PAH	Alexander, Edwards, Franklin, Gallatin, Hamilton, Hardin and 13 more	3 hr
Dec 13, 10:09 AM CST	Gale Warning	LOT		14 hr
Dec 13, 3:25 PM CST	Small Craft Advisory	LOT		39 hr
Dec 14, 3:54 PM CST	Winter Weather Advisory	PAH	Alexander, Edwards, Franklin, Gallatin, Hamilton, Hardin and 13 more	44 hr
Dec 15, 3:23 AM CST	Winter Weather Advisory	DVN	Bureau, Carroll, Henry, Jo Daviess, Mercer, Putnam and 3 more	39 hr
Dec 15, 3:50 AM CST	Winter Weather Advisory	ILX	Cass, Champaign, Christian, Clark, Clay, Coles and 29 more	32 hr
Dec 15, 4:00 AM CST	Winter Weather Advisory	LSX	Adams, Bond, Brown, Calhoun, Clinton, Fayette and 11 more	32 hr
Dec 15, 4:11 AM CST	Winter Weather Advisory	LOT	Boone, DeKalb, Ford, Grundy, Iroquois, Kane and 7 more	28 hr
Dec 15, 6:18 PM CST	Mesoscale Discussion	SPC	Clay, Clinton, Crawford, Edwards, Fayette, Franklin and 18 more	4 hr
Dec 17, 11:55 PM CST	Small Craft Advisory	LOT		10 hr
Dec 19, 3:22 PM CST	Winter Weather Advisory	DVN	Bureau, Carroll, Hancock, Henderson, Henry, Jo Daviess and 7 more	43 hr
Dec 19, 3:50 PM CST	Winter Weather Advisory	LOT	Boone, DeKalb, DuPage, Ford, Grundy, Iroquois and 10 more	42 hr
Dec 20, 3:10 AM CST	Small Craft Advisory	LOT		31 hr
Dec 20, 3:00 PM CST	Freezing Rain Advisory	ILX	Champaign, Coles, DeWitt, Douglas, Edgar, Fulton and 14 more	11 hr
Dec 21, 2:43 PM CST	Dense Fog Advisory	LOT	Boone, DeKalb, DuPage, Grundy, Kane, Kankakee and 8 more	8 hr
Dec 21, 10:49 PM CST	Freezing Fog Advisory	LOT	DuPage, Grundy, Kane, Kendall, Lake, McHenry	4 hr
Dec 22, 10:30 AM CST	Small Craft Advisory	LOT		24 hr
Dec 23, 12:59 AM CST	Dense Fog Advisory	LOT	Boone, DeKalb, DuPage, Ford, Grundy, Iroquois and 9 more	8 hr
Dec 23, 1:42 AM CST	Dense Fog Advisory	DVN	Bureau, Carroll, Jo Daviess, Putnam, Stephenson, Whiteside	9 hr
Dec 23, 4:38 AM CST	Winter Weather Advisory	DVN	Bureau, Carroll, Hancock, Henderson, Henry, Jo Daviess and 7 more	43 hr
Dec 23, 12:07 PM CST	Winter Weather Advisory	LSX	Adams, Bond, Brown, Calhoun, Clinton, Fayette and 11 more	40 hr
Dec 23, 2:41 PM CST	Winter Weather Advisory	LOT	DeKalb, Ford, Grundy, Iroquois, Kankakee, LaSalle and 4 more	33 hr
Dec 23, 2:59 PM CST	Winter Weather Advisory	ILX	Cass, Champaign, Christian, Clark, Clay, Coles and 29 more	38 hr
Dec 23, 3:46 PM CST	Winter Weather Advisory	PAH	Alexander, Edwards, Franklin, Gallatin, Hamilton, Hardin and 13 more	36 hr
Dec 25, 2:36 AM CST	Lake Effect Snow Advisory	LOT	DuPage, Lake	33 hr
Dec 25, 4:14 AM CST	Small Craft Advisory	LOT		59 hr
Dec 25, 10:52 PM CST	Lake Effect Snow Warning	LOT	Lake	13 hr
Dec 26, 10:33 PM CST	Dense Fog Advisory	DVN	Rock Island	12 hr
Dec 27, 1:17 AM CST	Dense Fog Advisory	LSX	Adams	9 hr
Dec 28, 10:12 PM CST	Dense Fog Advisory	DVN	Carroll, Jo Daviess, Rock Island, Stephenson, Whiteside	7 hr
Dec 29, 12:07 AM CST	Freezing Fog Advisory	LOT	DeKalb, Grundy, Kane, Kankakee, Kendall, LaSalle and 2 more	9 hr
Dec 29, 8:43 AM CST	Gale Warning	LOT		9 hr
Dec 29, 10:01 AM CST	Dense Fog Advisory	ILX	Cass, Champaign, Christian, Clark, Coles, Cumberland and 23 more	20 hr
Dec 29, 11:28 AM CST	Dense Fog Advisory	DVN	Bureau, Carroll, Hancock, Henderson, Henry, Jo Daviess and 7 more	51 hr
Dec 30, 3:44 AM CST	Small Craft Advisory	LOT		18 hr
Dec 30, 6:46 AM CST	Dense Fog Advisory	LOT	Boone, DeKalb, Kane, Lake, Lee, McHenry and 2 more	36 hr
Dec 31, 12:44 AM CST	Mesoscale Discussion	SPC	Calhoun	61 min
Dec 31, 2:25 AM CST	Severe Thunderstorm Watch	SPC	Madison, Monroe, Saint Clair	2 hr
Dec 31, 4:05 AM CST	Mesoscale Discussion	SPC	Bond, Calhoun, Greene, Jersey, Macoupin, Madison and 3 more	115 min
Dec 31, 5:45 AM CST	Mesoscale Discussion	SPC	Calhoun	2 hr
Dec 31, 6:10 AM CST	Areal Flood Advisory	ILX	Cass, Fulton, Mason, Menard, Morgan, Schuyler and 2 more	6 hr
Dec 31, 7:29 AM CST	Tornado Watch	SPC	Bond, Brown, Calhoun, Clinton, Fayette, Greene and 10 more	8 hr
Dec 31, 8:24 AM CST	River Flood Advisory	LOT	Cook	5 hr
Dec 31, 8:50 AM CST	River Flood Advisory	LOT	Will	51 hr
Dec 31, 9:43 AM CST	Tornado Warning	LSX	Adams, Brown	32 min
Dec 31, 10:22 AM CST	Tornado Warning	LSX	Pike	38 min
Dec 31, 10:30 AM CST	River Flood Advisory	LOT	LaSalle	53 hr
Dec 31, 10:34 AM CST	Tornado Watch	SPC	Cass, Christian, DeWitt, Fulton, Logan, McLean and 13 more	3 hr
Dec 31, 10:47 AM CST	Tornado Warning	ILX	Cass, Morgan, Scott	43 min
Dec 31, 11:00 AM CST	Tornado Warning	LSX	Calhoun, Pike	60 min
Dec 31, 11:04 AM CST	Mesoscale Discussion	SPC	Alexander, Clinton, Edwards, Franklin, Hamilton, Jackson and 14 more	56 min
Dec 31, 11:15 AM CST	Tornado Warning	LSX	Calhoun, Pike	45 min
Dec 31, 11:22 AM CST	Tornado Warning	LSX	Calhoun, Jersey, Madison, Monroe, Saint Clair	53 min
Dec 31, 11:40 AM CST	Tornado Warning	ILX	Peoria, Tazewell, Woodford	50 min
Dec 31, 11:42 AM CST	Tornado Watch	SPC	Alexander, Edwards, Franklin, Gallatin, Hamilton, Hardin and 13 more	7 hr
Dec 31, 11:54 AM CST	Tornado Warning	LSX	Calhoun, Greene, Pike	51 min
Dec 31, 11:59 AM CST	Tornado Warning	LSX	Bond, Clinton, Jersey, Macoupin, Madison, Monroe and 2 more	61 min
Dec 31, 12:00 PM CST	Tornado Warning	ILX	Morgan	30 min
Dec 31, 12:01 PM CST	Areal Flood Advisory	ILX	Cass, Mason, Menard, Morgan, Scott	5 hr
Dec 31, 12:13 PM CST	Tornado Warning	ILX	Logan, Mason, Menard, Tazewell	32 min
Dec 31, 12:17 PM CST	Special Weather Statement	LOT	Livingston	28 min
Dec 31, 12:33 PM CST	Special Weather Statement	LOT	Livingston	27 min
Dec 31, 12:37 PM CST	Tornado Warning	ILX	Logan, Mason, Menard	38 min
Dec 31, 12:38 PM CST	Tornado Warning	LSX	Bond, Clinton, Fayette, Marion, Montgomery	67 min
Dec 31, 12:48 PM CST	Special Weather Statement	LOT	Grundy	42 min
Dec 31, 12:57 PM CST	Tornado Warning	LSX	Bond, Clinton, Madison, Monroe, Randolph, Saint Clair and 1 more	48 min
Dec 31, 1:10 PM CST	Tornado Warning	ILX	McLean, Woodford	50 min
Dec 31, 1:11 PM CST	Tornado Warning	LSX	Randolph	49 min
Dec 31, 1:16 PM CST	Tornado Watch	SPC	Champaign, Christian, Clark, Clay, Coles, Crawford and 22 more	6 hr
Dec 31, 1:21 PM CST	Severe Thunderstorm Warning	ILX	McLean	24 min
Dec 31, 1:22 PM CST	Tornado Warning	LOT	Livingston	38 min
Dec 31, 1:36 PM CST	River Flood Warning	LOT	Cook	32 hr
Dec 31, 1:40 PM CST	Tornado Warning	LSX	Bond, Clinton, Fayette, Marion, Washington	50 min
Dec 31, 1:44 PM CST	River Flood Advisory	LOT	Cook	37 hr
Dec 31, 1:44 PM CST	Tornado Warning	LSX	Clinton, Monroe, Randolph, Saint Clair, Washington	61 min
Dec 31, 1:48 PM CST	Severe Thunderstorm Warning	ILX	Clay, Cumberland, Effingham, Jasper, Richland, Shelby	57 min
Dec 31, 2:00 PM CST	Tornado Warning	LSX	Randolph	60 min
Dec 31, 2:07 PM CST	Special Weather Statement	LOT	Kankakee, Will	38 min
Dec 31, 2:12 PM CST	Mesoscale Discussion	SPC	Alexander, Champaign, Clark, Clay, Coles, Crawford and 30 more	93 min
Dec 31, 2:22 PM CST	Tornado Warning	LSX	Bond, Clinton, Fayette, Marion, Washington	53 min
Dec 31, 2:44 PM CST	Special Weather Statement	LOT	Kankakee	46 min
Dec 31, 2:47 PM CST	Dense Fog Advisory	DVN	Carroll, Jo Daviess, Stephenson, Whiteside	5 hr
Dec 31, 3:51 PM CST	Tornado Warning	ILX	Clark, Cumberland, Jasper	39 min

By product

Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.

Product	Alerts
Severe storms
Severe Thunderstorm Warning	2
Tornado Warning	22
Severe Thunderstorm Watch	1
Tornado Watch	4
Mesoscale Discussion	7
Special Weather Statement	5
Flooding
River Flood Warning	1
Areal Flood Advisory	2
River Flood Advisory	4
Winter
Blizzard Warning	2
Lake Effect Snow Warning	1
Winter Storm Warning	2
Blizzard Watch	1
Winter Storm Watch	2
Freezing Rain Advisory	1
Lake Effect Snow Advisory	1
Winter Weather Advisory	22
Cold
Wind Chill Advisory	4
Wind and dust
Wind Advisory	3
Fog and smoke
Dense Fog Advisory	11
Freezing Fog Advisory	2
Coast and beach
Lakeshore Flood Warning	1
Marine
Gale Warning	4
Heavy Freezing Spray Warning	1
Storm Warning	1
Gale Watch	2
Storm Watch	1
Small Craft Advisory	11

By county

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

62 more counties

Nearby

Alerts in force now Tornadoes on record The radar archive 2009 2011

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. Rebuilt daily.