Weather alerts in Illinois, December 2017

Weather alerts by county

Each county as a circle sized by its count in December 2017. Tap one for its archive.

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, 2:43 PM CST	Gale Watch	LOT		24 hr
Dec 2, 2:43 PM CST	Small Craft Advisory	LOT		42 hr
Dec 3, 2:59 AM CST	Gale Warning	LOT		3 days
Dec 4, 3:10 AM CST	Wind Advisory	LOT	Boone, DeKalb, DuPage, Ford, Grundy, Iroquois and 10 more	39 hr
Dec 4, 1:26 PM CST	Mesoscale Discussion	SPC	Adams, Hancock	94 min
Dec 4, 2:34 PM CST	Severe Thunderstorm Watch	SPC	Adams, Brown, Pike	5 hr
Dec 4, 3:57 PM CST	Mesoscale Discussion	SPC	Adams, Brown, Pike	93 min
Dec 4, 5:16 PM CST	Special Weather Statement	DVN	Hancock	44 min
Dec 4, 6:05 PM CST	Mesoscale Discussion	SPC	Adams, Brown, Pike	115 min
Dec 4, 6:22 PM CST	Special Weather Statement	DVN	Henderson, McDonough, Warren	38 min
Dec 4, 6:26 PM CST	Special Weather Statement	DVN	Henry, Mercer, Rock Island, Whiteside	79 min
Dec 4, 6:33 PM CST	Severe Thunderstorm Warning	DVN	McDonough, Warren	27 min
Dec 4, 6:44 PM CST	Special Weather Statement	ILX	Knox	46 min
Dec 4, 7:18 PM CST	Severe Thunderstorm Warning	LSX	Calhoun, Greene, Pike	27 min
Dec 4, 9:58 PM CST	Wind Advisory	DVN	Bureau, Carroll, Henry, Jo Daviess, Mercer, Putnam and 3 more	20 hr
Dec 6, 5:52 AM CST	Small Craft Advisory	LOT		3 days
Dec 7, 2:31 PM CST	Small Craft Advisory	LOT		42 hr
Dec 8, 3:02 AM CST	Gale Watch	LOT		6 hr
Dec 8, 3:02 AM CST	Small Craft Advisory	LOT		30 hr
Dec 8, 8:32 AM CST	Gale Warning	LOT		36 hr
Dec 9, 9:08 PM CST	Small Craft Advisory	LOT		18 hr
Dec 10, 2:31 PM CST	Gale Watch	LOT		12 hr
Dec 11, 2:58 AM CST	Gale Warning	LOT		39 hr
Dec 11, 3:04 AM CST	Red Flag Warning	LSX	Monroe, Randolph, Saint Clair	15 hr
Dec 12, 8:50 AM CST	Small Craft Advisory	LOT		18 hr
Dec 12, 9:57 PM CST	Small Craft Advisory	LOT		20 hr
Dec 13, 3:05 AM CST	Wind Advisory	PAH	Alexander, Edwards, Franklin, Gallatin, Hamilton, Hardin and 13 more	12 hr
Dec 13, 3:26 AM CST	Wind Advisory	DVN	Bureau, Hancock, Henderson, Henry, McDonough, Mercer and 3 more	17 hr
Dec 13, 10:20 AM CST	Wind Advisory	LSX	Adams, Bond, Brown, Clinton, Fayette, Greene and 5 more	11 hr
Dec 13, 10:58 AM CST	Wind Advisory	ILX	Cass, Champaign, Christian, Clark, Clay, Coles and 26 more	10 hr
Dec 13, 6:18 PM CST	Gale Warning	LOT		6 hr
Dec 13, 6:18 PM CST	Small Craft Advisory	LOT		21 hr
Dec 15, 2:56 AM CST	Small Craft Advisory	LOT		18 hr
Dec 16, 1:53 AM CST	Small Craft Advisory	LOT		7 hr
Dec 17, 2:28 AM CST	Gale Watch	LOT		25 hr
Dec 17, 2:33 PM CST	Small Craft Advisory	LOT		66 hr
Dec 18, 3:53 AM CST	Gale Warning	LOT		47 hr
Dec 19, 6:49 PM CST	Dense Fog Advisory	PAH	Alexander, Massac, Pulaski	8 hr
Dec 20, 9:05 AM CST	Small Craft Advisory	LOT		6 hr
Dec 22, 3:10 PM CST	Small Craft Advisory	LOT		31 hr
Dec 23, 3:20 AM CST	Winter Weather Advisory	DVN	Bureau, Hancock, Henderson, Henry, McDonough, Mercer and 4 more	39 hr
Dec 23, 3:21 AM CST	Winter Weather Advisory	LOT	DeKalb, DuPage, Ford, Grundy, Iroquois, Kane and 5 more	39 hr
Dec 23, 3:39 AM CST	Winter Weather Advisory	ILX	Cass, Champaign, Christian, Coles, DeWitt, Douglas and 21 more	38 hr
Dec 23, 4:10 AM CST	Winter Weather Advisory	LSX	Adams, Brown, Calhoun, Greene, Jersey, Macoupin and 2 more	34 hr
Dec 24, 2:47 AM CST	Gale Watch	LOT		12 hr
Dec 24, 2:47 AM CST	Small Craft Advisory	LOT		49 hr
Dec 24, 10:16 AM CST	Special Weather Statement	DVN	Carroll, Jo Daviess, Stephenson	3 hr
Dec 24, 1:31 PM CST	Special Weather Statement	DVN	Carroll, Henry, Mercer, Rock Island, Warren, Whiteside	3 hr
Dec 24, 3:11 PM CST	Gale Warning	LOT		36 hr
Dec 25, 3:02 AM CST	Wind Chill Advisory	LOT	Boone, DeKalb, DuPage, Kane, Lake, McHenry and 2 more	33 hr
Dec 25, 3:07 AM CST	Heavy Freezing Spray Warning	LOT		30 hr
Dec 25, 3:19 AM CST	Wind Chill Advisory	DVN	Carroll, Jo Daviess, Stephenson	31 hr
Dec 25, 8:47 PM CST	Small Craft Advisory	LOT		36 hr
Dec 26, 3:50 AM CST	Wind Chill Advisory	LSX	Adams, Brown, Pike	30 hr
Dec 26, 3:56 AM CST	Wind Chill Advisory	ILX	Cass, Champaign, Christian, DeWitt, Douglas, Fulton and 18 more	30 hr
Dec 26, 9:38 AM CST	Heavy Freezing Spray Warning	LOT		17 hr
Dec 26, 12:54 PM CST	Wind Chill Advisory	LOT	Boone, DeKalb, DuPage, Ford, Grundy, Iroquois and 10 more	22 hr
Dec 26, 1:25 PM CST	Wind Chill Advisory	DVN	Bureau, Carroll, Hancock, Henderson, Henry, Jo Daviess and 7 more	22 hr
Dec 27, 9:07 AM CST	Small Craft Advisory	LOT		6 hr
Dec 27, 3:11 PM CST	Small Craft Advisory	LOT		7 hr
Dec 28, 2:34 PM CST	River Flood Warning	LOT	Kankakee	6 days
Dec 28, 3:07 PM CST	Small Craft Advisory	LOT		19 hr
Dec 28, 3:15 PM CST	Winter Weather Advisory	DVN	Bureau, Carroll, Henderson, Henry, Jo Daviess, Mercer and 5 more	29 hr
Dec 28, 3:18 PM CST	Winter Weather Advisory	ILX	Champaign, Knox, McLean, Marshall, Peoria, Stark and 3 more	31 hr
Dec 28, 8:33 PM CST	Winter Weather Advisory	LOT	Boone, DeKalb, DuPage, Ford, Grundy, Iroquois and 8 more	24 hr
Dec 29, 3:24 AM CST	Winter Storm Warning	DVN	Bureau, Henry, Putnam, Rock Island, Whiteside	17 hr
Dec 29, 3:39 AM CST	Winter Weather Advisory	LSX	Adams, Brown, Calhoun, Greene, Jersey, Macoupin and 4 more	23 hr
Dec 29, 3:50 AM CST	Small Craft Advisory	LOT		47 hr
Dec 29, 1:05 PM CST	Wind Chill Advisory	LOT	Boone, DeKalb, DuPage, Grundy, Kane, Kendall and 7 more	24 hr
Dec 29, 3:00 PM CST	Wind Chill Advisory	ILX	Cass, Champaign, Christian, Clark, Clay, Coles and 29 more	4 days
Dec 29, 3:10 PM CST	Wind Chill Advisory	LSX	Adams, Bond, Brown, Calhoun, Clinton, Fayette and 11 more	4 days
Dec 29, 3:11 PM CST	Wind Chill Advisory	DVN	Bureau, Carroll, Hancock, Henderson, Henry, Jo Daviess and 7 more	54 hr
Dec 29, 8:14 PM CST	Winter Storm Warning	DVN	Bureau, Henry, Putnam, Rock Island, Whiteside	106 min
Dec 29, 8:14 PM CST	Winter Weather Advisory	DVN	Carroll, Henderson, Jo Daviess, Mercer, Stephenson, Warren	106 min
Dec 30, 3:56 AM CST	Wind Chill Warning	LSX	Adams, Brown, Calhoun, Greene, Jersey, Macoupin and 2 more	3 days
Dec 30, 10:15 AM CST	Wind Chill Advisory	PAH	Alexander, Edwards, Franklin, Gallatin, Hamilton, Hardin and 13 more	3 days
Dec 30, 6:27 PM CST	Wind Chill Advisory	LOT	Boone, DeKalb, Ford, Grundy, Iroquois, Kane and 8 more	14 hr
Dec 31, 3:17 AM CST	Small Craft Advisory	LOT		36 hr

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
Severe Thunderstorm Watch	1
Mesoscale Discussion	3
Special Weather Statement	6
Flooding
River Flood Warning	1
Winter
Winter Storm Warning	2
Winter Weather Advisory	9
Cold
Wind Chill Warning	1
Wind Chill Advisory	12
Wind and dust
Wind Advisory	6
Fire
Red Flag Warning	1
Fog and smoke
Dense Fog Advisory	1
Marine
Gale Warning	6
Heavy Freezing Spray Warning	2
Gale Watch	5
Small Craft Advisory	20

By county

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

60 more counties

Nearby

Alerts in force now Tornadoes on record The radar archive 2016 2018

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.