Alert archive / Illinois / Severe Thunderstorm Warnings / 2017

Severe Thunderstorm Warnings in Illinois, May 2017

76 severe thunderstorm warnings in May 2017. 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 severe thunderstorm warnings reaches back to 1986.

Severe Thunderstorm Warnings by county

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

Severe Thunderstorm Warnings: 76
Busiest day: May 18, 201722 severe thunderstorm warnings

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
Apr 30, 8:44 PM CDT	Severe Thunderstorm Warning	ILX	Clark, Coles, Crawford, Cumberland, Jasper	46 min
May 10, 5:34 PM CDT	Severe Thunderstorm Warning	ILX	Fulton, Schuyler	41 min
May 10, 5:48 PM CDT	Severe Thunderstorm Warning	DVN	McDonough, Warren	13 min
May 10, 5:53 PM CDT	Severe Thunderstorm Warning	ILX	Fulton	36 min
May 10, 6:10 PM CDT	Severe Thunderstorm Warning	ILX	Fulton, Mason, Peoria, Tazewell	35 min
May 10, 6:20 PM CDT	Severe Thunderstorm Warning	ILX	Cass, Morgan	40 min
May 10, 6:41 PM CDT	Severe Thunderstorm Warning	ILX	Logan, Mason, Menard	49 min
May 10, 6:54 PM CDT	Severe Thunderstorm Warning	ILX	Menard, Sangamon	36 min
May 10, 7:16 PM CDT	Severe Thunderstorm Warning	LSX	Calhoun, Greene, Pike	44 min
May 10, 8:31 PM CDT	Severe Thunderstorm Warning	ILX	Champaign, Douglas	17 min
May 10, 9:31 PM CDT	Severe Thunderstorm Warning	LSX	Jersey, Macoupin, Madison	27 min
May 10, 10:55 PM CDT	Severe Thunderstorm Warning	ILX	Lawrence, Richland	65 min
May 15, 5:19 PM CDT	Severe Thunderstorm Warning	LOT	Winnebago	26 min
May 15, 5:43 PM CDT	Severe Thunderstorm Warning	LOT	Winnebago	47 min
May 15, 6:11 PM CDT	Severe Thunderstorm Warning	LOT	Boone	19 min
May 15, 7:52 PM CDT	Severe Thunderstorm Warning	DVN	Jo Daviess	38 min
May 15, 8:29 PM CDT	Severe Thunderstorm Warning	DVN	Carroll, Jo Daviess, Stephenson	76 min
May 15, 9:40 PM CDT	Severe Thunderstorm Warning	LOT	Winnebago	35 min
May 17, 5:24 PM CDT	Severe Thunderstorm Warning	DVN	Rock Island	30 min
May 17, 5:53 PM CDT	Severe Thunderstorm Warning	LOT	Ogle, Winnebago	51 min
May 17, 5:56 PM CDT	Severe Thunderstorm Warning	DVN	Stephenson	34 min
May 17, 6:38 PM CDT	Severe Thunderstorm Warning	DVN	Mercer, Rock Island	52 min
May 17, 7:14 PM CDT	Severe Thunderstorm Warning	DVN	Carroll, Jo Daviess, Mercer, Rock Island	61 min
May 17, 7:30 PM CDT	Severe Thunderstorm Warning	DVN	Mercer, Rock Island	45 min
May 17, 7:37 PM CDT	Severe Thunderstorm Warning	DVN	Henry, Mercer, Rock Island, Warren	38 min
May 17, 8:05 PM CDT	Severe Thunderstorm Warning	DVN	Carroll, Jo Daviess, Stephenson, Whiteside	55 min
May 17, 8:08 PM CDT	Severe Thunderstorm Warning	DVN	Henry, Mercer, Rock Island, Whiteside	67 min
May 17, 8:58 PM CDT	Severe Thunderstorm Warning	LOT	Lee, Ogle	62 min
May 17, 9:00 PM CDT	Severe Thunderstorm Warning	DVN	Carroll, Jo Daviess, Rock Island, Stephenson, Whiteside	60 min
May 17, 9:08 PM CDT	Severe Thunderstorm Warning	ILX	Knox	37 min
May 17, 9:37 PM CDT	Severe Thunderstorm Warning	LOT	Ogle, Winnebago	23 min
May 17, 9:38 PM CDT	Severe Thunderstorm Warning	DVN	Bureau, Henry	52 min
May 17, 9:52 PM CDT	Severe Thunderstorm Warning	ILX	Marshall, Stark	38 min
May 17, 9:59 PM CDT	Severe Thunderstorm Warning	LOT	Boone, DeKalb, LaSalle, Lee, McHenry, Ogle and 1 more	61 min
May 17, 10:17 PM CDT	Severe Thunderstorm Warning	ILX	Fulton, Peoria, Woodford	43 min
May 17, 10:43 PM CDT	Severe Thunderstorm Warning	LOT	DeKalb, Kane, Kendall, LaSalle, McHenry	47 min
May 17, 10:53 PM CDT	Severe Thunderstorm Warning	ILX	Marshall, Peoria, Woodford	32 min
May 17, 11:11 PM CDT	Severe Thunderstorm Warning	LOT	Cook, DuPage, Lake	49 min
May 17, 11:29 PM CDT	Severe Thunderstorm Warning	LOT	Kane, Kendall	31 min
May 17, 11:50 PM CDT	Severe Thunderstorm Warning	LOT	DuPage, Grundy, Kane, Kendall, Will	40 min
May 18, 12:19 AM CDT	Severe Thunderstorm Warning	LOT	Cook, DuPage, Will	41 min
May 18, 12:58 AM CDT	Severe Thunderstorm Warning	LOT	Cook, Kankakee, Will	47 min
May 18, 1:00 AM CDT	Severe Thunderstorm Warning	LOT	Cook	30 min
May 18, 5:16 PM CDT	Severe Thunderstorm Warning	PAH	Franklin	29 min
May 18, 10:29 PM CDT	Severe Thunderstorm Warning	ILX	Champaign	34 min
May 19, 4:37 AM CDT	Severe Thunderstorm Warning	LSX	Calhoun	53 min
May 19, 4:39 AM CDT	Severe Thunderstorm Warning	LSX	Calhoun, Monroe	66 min
May 19, 5:13 AM CDT	Severe Thunderstorm Warning	LSX	Clinton, Jersey, Madison, Saint Clair	62 min
May 19, 5:36 AM CDT	Severe Thunderstorm Warning	LSX	Bond, Fayette, Greene, Macoupin, Montgomery	69 min
May 19, 5:47 AM CDT	Severe Thunderstorm Warning	ILX	Cass, Christian, Menard, Morgan, Sangamon, Scott	58 min
May 26, 11:55 AM CDT	Severe Thunderstorm Warning	DVN	Hancock, McDonough	36 min
May 26, 2:22 PM CDT	Severe Thunderstorm Warning	DVN	McDonough, Warren	23 min
May 26, 2:25 PM CDT	Severe Thunderstorm Warning	ILX	Fulton, Knox	50 min
May 26, 2:34 PM CDT	Severe Thunderstorm Warning	ILX	Peoria, Tazewell, Woodford	41 min
May 26, 3:11 PM CDT	Severe Thunderstorm Warning	ILX	McLean, Tazewell, Woodford	23 min
May 26, 3:48 PM CDT	Severe Thunderstorm Warning	LOT	Livingston	42 min
May 26, 4:05 PM CDT	Severe Thunderstorm Warning	ILX	McLean	40 min
May 26, 4:06 PM CDT	Severe Thunderstorm Warning	LOT	Ford, Livingston	39 min
May 26, 5:10 PM CDT	Severe Thunderstorm Warning	LOT	Ford, Iroquois	45 min
May 26, 5:43 PM CDT	Severe Thunderstorm Warning	ILX	Vermilion	47 min
May 26, 6:21 PM CDT	Severe Thunderstorm Warning	ILX	Vermilion	24 min
May 27, 1:58 PM CDT	Severe Thunderstorm Warning	LSX	Randolph	51 min
May 27, 2:32 PM CDT	Severe Thunderstorm Warning	PAH	Hamilton	28 min
May 27, 2:59 PM CDT	Severe Thunderstorm Warning	PAH	Jackson	46 min
May 27, 3:01 PM CDT	Severe Thunderstorm Warning	PAH	Hamilton, Wayne, White	18 min
May 27, 3:17 PM CDT	Severe Thunderstorm Warning	PAH	White	28 min
May 27, 3:34 PM CDT	Severe Thunderstorm Warning	PAH	Jackson, Union, Williamson	41 min
May 27, 3:38 PM CDT	Severe Thunderstorm Warning	PAH	Jefferson	37 min
May 27, 4:01 PM CDT	Severe Thunderstorm Warning	PAH	Johnson, Pope, Saline, Union, Williamson	44 min
May 27, 4:05 PM CDT	Severe Thunderstorm Warning	PAH	Wabash	14 min
May 27, 4:14 PM CDT	Severe Thunderstorm Warning	PAH	Massac, Pope	46 min
May 27, 4:36 PM CDT	Severe Thunderstorm Warning	PAH	Pope	39 min
May 27, 5:17 PM CDT	Severe Thunderstorm Warning	ILX	Lawrence, Richland	29 min
May 27, 5:37 PM CDT	Severe Thunderstorm Warning	PAH	Alexander, Jackson, Pulaski, Union	38 min
May 27, 6:10 PM CDT	Severe Thunderstorm Warning	PAH	Hardin, Johnson, Massac, Pope, Pulaski	65 min
May 27, 6:40 PM CDT	Severe Thunderstorm Warning	PAH	Hardin	65 min

By county

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

45 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.