Alert archive / Illinois / Severe Thunderstorm Warnings / 2018

Severe Thunderstorm Warnings in Illinois, May 2018

149 severe thunderstorm warnings in May 2018. 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 2018. Tap one for its archive.

Severe Thunderstorm Warnings: 149
Busiest day: May 31, 201828 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
May 2, 4:35 PM CDT	Severe Thunderstorm Warning	LOT	DuPage, Will	25 min
May 2, 4:51 PM CDT	Severe Thunderstorm Warning	LOT	Cook	24 min
May 2, 4:58 PM CDT	Severe Thunderstorm Warning	LOT	Cook, Will	32 min
May 2, 5:02 PM CDT	Severe Thunderstorm Warning	LOT	Kankakee	43 min
May 2, 5:04 PM CDT	Severe Thunderstorm Warning	DVN	Carroll, Stephenson	56 min
May 2, 5:17 PM CDT	Severe Thunderstorm Warning	LOT	Ogle, Winnebago	43 min
May 2, 5:19 PM CDT	Severe Thunderstorm Warning	DVN	Stephenson	27 min
May 2, 5:46 PM CDT	Severe Thunderstorm Warning	LOT	Boone, Ogle, Winnebago	44 min
May 2, 5:53 PM CDT	Severe Thunderstorm Warning	LOT	Ogle	52 min
May 2, 5:57 PM CDT	Severe Thunderstorm Warning	LOT	DeKalb, Lee	48 min
May 2, 6:04 PM CDT	Severe Thunderstorm Warning	DVN	Whiteside	56 min
May 2, 6:20 PM CDT	Severe Thunderstorm Warning	DVN	Carroll, Jo Daviess	15 min
May 2, 6:20 PM CDT	Severe Thunderstorm Warning	LOT	Boone, DeKalb, Kane, McHenry	40 min
May 2, 6:28 PM CDT	Severe Thunderstorm Warning	LOT	DeKalb, Kane	47 min
May 2, 6:34 PM CDT	Severe Thunderstorm Warning	LOT	Boone, DeKalb, Ogle	41 min
May 2, 6:34 PM CDT	Severe Thunderstorm Warning	LOT	Lee, Ogle	41 min
May 2, 7:02 PM CDT	Severe Thunderstorm Warning	LOT	Cook, DuPage, Kane, Lake, McHenry	43 min
May 2, 7:24 PM CDT	Severe Thunderstorm Warning	LOT	Cook, DuPage, Lake	36 min
May 2, 8:31 PM CDT	Severe Thunderstorm Warning	LOT	Boone, McHenry, Winnebago	59 min
May 2, 9:08 PM CDT	Severe Thunderstorm Warning	LOT	Lake, McHenry	52 min
May 2, 9:53 PM CDT	Severe Thunderstorm Warning	DVN	Whiteside	52 min
May 3, 6:22 AM CDT	Severe Thunderstorm Warning	ILX	Clark, Coles, Cumberland, Shelby	53 min
May 3, 7:01 AM CDT	Severe Thunderstorm Warning	ILX	Crawford, Jasper, Lawrence, Richland	33 min
May 4, 6:39 AM CDT	Severe Thunderstorm Warning	DVN	Hancock	19 min
May 6, 2:54 PM CDT	Severe Thunderstorm Warning	PAH	Massac, Pope	36 min
May 6, 6:41 PM CDT	Severe Thunderstorm Warning	LSX	Madison	37 min
May 9, 5:02 PM CDT	Severe Thunderstorm Warning	LOT	DuPage	16 min
May 9, 5:52 PM CDT	Severe Thunderstorm Warning	LOT	Ford, Iroquois, Livingston	38 min
May 9, 6:02 PM CDT	Severe Thunderstorm Warning	LOT	Kankakee	28 min
May 9, 6:18 PM CDT	Severe Thunderstorm Warning	LOT	Iroquois, Kankakee	42 min
May 9, 6:39 PM CDT	Severe Thunderstorm Warning	ILX	Champaign, DeWitt, McLean, Piatt	51 min
May 9, 7:16 PM CDT	Severe Thunderstorm Warning	ILX	Champaign, Piatt	44 min
May 9, 7:21 PM CDT	Severe Thunderstorm Warning	ILX	Champaign, Macon, Piatt	39 min
May 9, 7:43 PM CDT	Severe Thunderstorm Warning	ILX	Champaign, Vermilion	32 min
May 9, 8:31 PM CDT	Severe Thunderstorm Warning	ILX	Douglas	44 min
May 9, 8:44 PM CDT	Severe Thunderstorm Warning	ILX	Coles, Douglas, Edgar	46 min
May 9, 8:48 PM CDT	Severe Thunderstorm Warning	ILX	Coles, Cumberland, Effingham, Moultrie, Shelby	42 min
May 10, 6:33 PM CDT	Severe Thunderstorm Warning	ILX	Lawrence, Richland	42 min
May 10, 6:35 PM CDT	Severe Thunderstorm Warning	PAH	Edwards, Wabash	32 min
May 12, 10:53 PM CDT	Severe Thunderstorm Warning	DVN	Henry	25 min
May 12, 10:59 PM CDT	Severe Thunderstorm Warning	ILX	Knox, Stark	31 min
May 13, 3:13 PM CDT	Severe Thunderstorm Warning	ILX	Knox	62 min
May 13, 4:02 PM CDT	Severe Thunderstorm Warning	ILX	Marshall, Stark	41 min
May 13, 5:01 PM CDT	Severe Thunderstorm Warning	LOT	Ford, Kankakee, Livingston	44 min
May 13, 5:35 PM CDT	Severe Thunderstorm Warning	LOT	Iroquois, Kankakee	55 min
May 14, 4:42 AM CDT	Severe Thunderstorm Warning	LOT	Ogle, Winnebago	48 min
May 14, 4:00 PM CDT	Severe Thunderstorm Warning	LOT	Lee	45 min
May 14, 4:23 PM CDT	Severe Thunderstorm Warning	LOT	DeKalb, Kane	52 min
May 14, 4:42 PM CDT	Severe Thunderstorm Warning	DVN	Bureau, Henry	19 min
May 14, 4:46 PM CDT	Severe Thunderstorm Warning	ILX	Stark	15 min
May 14, 4:53 PM CDT	Severe Thunderstorm Warning	LSX	Calhoun	67 min
May 14, 5:15 PM CDT	Severe Thunderstorm Warning	LSX	Adams, Brown, Pike	75 min
May 14, 5:19 PM CDT	Severe Thunderstorm Warning	LSX	Calhoun, Greene, Jersey, Madison	56 min
May 14, 6:01 PM CDT	Severe Thunderstorm Warning	LSX	Macoupin, Madison	44 min
May 14, 6:28 PM CDT	Severe Thunderstorm Warning	ILX	Cass, Fulton, Mason, Morgan, Schuyler	33 min
May 14, 6:29 PM CDT	Severe Thunderstorm Warning	LSX	Monroe, Saint Clair	61 min
May 14, 6:35 PM CDT	Severe Thunderstorm Warning	LSX	Bond, Clinton, Macoupin, Madison, Montgomery	70 min
May 14, 6:50 PM CDT	Severe Thunderstorm Warning	LSX	Randolph	70 min
May 14, 6:54 PM CDT	Severe Thunderstorm Warning	ILX	McLean	51 min
May 14, 6:59 PM CDT	Severe Thunderstorm Warning	LSX	Washington	57 min
May 14, 7:07 PM CDT	Severe Thunderstorm Warning	LSX	Fayette, Marion	53 min
May 14, 8:53 PM CDT	Severe Thunderstorm Warning	PAH	Saline	37 min
May 14, 8:54 PM CDT	Severe Thunderstorm Warning	LOT	DeKalb, Kane, Kendall, Lee, Ogle	51 min
May 14, 9:06 PM CDT	Severe Thunderstorm Warning	PAH	Johnson, Pope, Saline, Williamson	39 min
May 14, 9:10 PM CDT	Severe Thunderstorm Warning	LOT	LaSalle, Livingston	50 min
May 14, 9:53 PM CDT	Severe Thunderstorm Warning	ILX	Marshall, Peoria, Stark	37 min
May 15, 3:34 PM CDT	Severe Thunderstorm Warning	ILX	Macon, Moultrie, Shelby	41 min
May 15, 4:02 PM CDT	Severe Thunderstorm Warning	ILX	Moultrie	43 min
May 15, 4:07 PM CDT	Severe Thunderstorm Warning	ILX	DeWitt	38 min
May 15, 4:33 PM CDT	Severe Thunderstorm Warning	ILX	Coles, Moultrie	42 min
May 15, 4:48 PM CDT	Severe Thunderstorm Warning	ILX	Coles, Cumberland, Shelby	24 min
May 15, 5:09 PM CDT	Severe Thunderstorm Warning	ILX	Christian, Shelby	36 min
May 15, 5:16 PM CDT	Severe Thunderstorm Warning	ILX	Coles, Cumberland	44 min
May 15, 5:40 PM CDT	Severe Thunderstorm Warning	ILX	Clark, Coles, Cumberland	50 min
May 15, 6:13 PM CDT	Severe Thunderstorm Warning	ILX	Clark	47 min
May 19, 4:51 PM CDT	Severe Thunderstorm Warning	PAH	Union	39 min
May 19, 5:23 PM CDT	Severe Thunderstorm Warning	PAH	Johnson, Massac, Pulaski, Union	37 min
May 20, 6:16 AM CDT	Severe Thunderstorm Warning	LSX	Bond, Macoupin, Madison, Montgomery	46 min
May 20, 6:35 AM CDT	Severe Thunderstorm Warning	LSX	Bond, Fayette, Montgomery	40 min
May 20, 2:14 PM CDT	Severe Thunderstorm Warning	PAH	Alexander, Pulaski	18 min
May 20, 2:18 PM CDT	Severe Thunderstorm Warning	PAH	Alexander, Pulaski	42 min
May 20, 2:42 PM CDT	Severe Thunderstorm Warning	PAH	Pulaski	30 min
May 20, 3:10 PM CDT	Severe Thunderstorm Warning	PAH	Saline	35 min
May 25, 2:33 PM CDT	Severe Thunderstorm Warning	DVN	Rock Island, Whiteside	27 min
May 25, 8:10 PM CDT	Severe Thunderstorm Warning	DVN	Jo Daviess	50 min
May 26, 3:59 PM CDT	Severe Thunderstorm Warning	DVN	Hancock, McDonough	46 min
May 26, 4:22 PM CDT	Severe Thunderstorm Warning	ILX	Schuyler	53 min
May 26, 4:24 PM CDT	Severe Thunderstorm Warning	LSX	Brown	66 min
May 26, 4:42 PM CDT	Severe Thunderstorm Warning	DVN	Hancock, McDonough	38 min
May 26, 4:58 PM CDT	Severe Thunderstorm Warning	LSX	Adams	32 min
May 26, 5:14 PM CDT	Severe Thunderstorm Warning	ILX	Schuyler	46 min
May 26, 5:19 PM CDT	Severe Thunderstorm Warning	DVN	Hancock	27 min
May 26, 5:28 PM CDT	Severe Thunderstorm Warning	LSX	Adams, Brown, Pike	62 min
May 26, 5:33 PM CDT	Severe Thunderstorm Warning	ILX	Knox	57 min
May 26, 5:45 PM CDT	Severe Thunderstorm Warning	LSX	Adams	45 min
May 26, 6:20 PM CDT	Severe Thunderstorm Warning	ILX	Fulton, Knox	19 min
May 26, 6:50 PM CDT	Severe Thunderstorm Warning	LSX	Adams	40 min
May 26, 11:59 PM CDT	Severe Thunderstorm Warning	LSX	Jersey, Madison	46 min
May 27, 1:58 AM CDT	Severe Thunderstorm Warning	LSX	Monroe, Saint Clair	34 min
May 27, 1:45 PM CDT	Severe Thunderstorm Warning	ILX	Christian	45 min
May 27, 2:21 PM CDT	Severe Thunderstorm Warning	ILX	Coles	30 min
May 27, 2:36 PM CDT	Severe Thunderstorm Warning	PAH	Jefferson	39 min
May 27, 2:39 PM CDT	Severe Thunderstorm Warning	ILX	Sangamon	37 min
May 27, 2:49 PM CDT	Severe Thunderstorm Warning	DVN	Rock Island, Whiteside	16 min
May 27, 2:54 PM CDT	Severe Thunderstorm Warning	DVN	Hancock	40 min
May 27, 2:57 PM CDT	Severe Thunderstorm Warning	ILX	Moultrie	34 min
May 27, 3:32 PM CDT	Severe Thunderstorm Warning	DVN	McDonough	43 min
May 27, 3:35 PM CDT	Severe Thunderstorm Warning	LSX	Macoupin, Montgomery	40 min
May 27, 3:39 PM CDT	Severe Thunderstorm Warning	ILX	Fulton, Peoria	29 min
May 27, 4:03 PM CDT	Severe Thunderstorm Warning	LSX	Adams, Pike	29 min
May 27, 4:20 PM CDT	Severe Thunderstorm Warning	DVN	Rock Island	18 min
May 27, 4:24 PM CDT	Severe Thunderstorm Warning	ILX	Effingham	43 min
May 27, 4:51 PM CDT	Severe Thunderstorm Warning	ILX	Cumberland	54 min
May 27, 5:14 PM CDT	Severe Thunderstorm Warning	ILX	Effingham	32 min
May 27, 5:46 PM CDT	Severe Thunderstorm Warning	LSX	Madison	59 min
May 27, 5:49 PM CDT	Severe Thunderstorm Warning	PAH	Massac, Pulaski	41 min
May 27, 5:57 PM CDT	Severe Thunderstorm Warning	LSX	Madison, Saint Clair	48 min
May 27, 6:11 PM CDT	Severe Thunderstorm Warning	LSX	Madison, Saint Clair	40 min
May 27, 6:36 PM CDT	Severe Thunderstorm Warning	LSX	Clinton, Saint Clair, Washington	69 min
May 28, 3:00 PM CDT	Severe Thunderstorm Warning	ILX	Mason, Tazewell	45 min
May 28, 3:05 PM CDT	Severe Thunderstorm Warning	ILX	Fulton, Mason, Tazewell	40 min
May 31, 9:55 AM CDT	Severe Thunderstorm Warning	PAH	Franklin, Jackson, Jefferson, Perry	50 min
May 31, 9:58 AM CDT	Severe Thunderstorm Warning	LSX	Marion, Washington	47 min
May 31, 10:02 AM CDT	Severe Thunderstorm Warning	PAH	Franklin, Hamilton, Saline, Williamson	28 min
May 31, 10:18 AM CDT	Severe Thunderstorm Warning	PAH	Hamilton, Wayne	42 min
May 31, 10:24 AM CDT	Severe Thunderstorm Warning	PAH	Gallatin, White	36 min
May 31, 10:30 AM CDT	Severe Thunderstorm Warning	PAH	Hamilton, Saline	30 min
May 31, 10:33 AM CDT	Severe Thunderstorm Warning	ILX	Clay, Jasper, Richland	57 min
May 31, 10:36 AM CDT	Severe Thunderstorm Warning	LSX	Bond, Clinton, Fayette, Marion	39 min
May 31, 10:38 AM CDT	Severe Thunderstorm Warning	PAH	Edwards, Wabash, Wayne, White	52 min
May 31, 10:45 AM CDT	Severe Thunderstorm Warning	LSX	Marion	30 min
May 31, 10:46 AM CDT	Severe Thunderstorm Warning	PAH	Jefferson	14 min
May 31, 10:51 AM CDT	Severe Thunderstorm Warning	PAH	Gallatin, White	54 min
May 31, 10:58 AM CDT	Severe Thunderstorm Warning	PAH	Wayne	32 min
May 31, 11:06 AM CDT	Severe Thunderstorm Warning	LSX	Marion	11 min
May 31, 11:10 AM CDT	Severe Thunderstorm Warning	ILX	Clay, Effingham, Jasper	46 min
May 31, 11:14 AM CDT	Severe Thunderstorm Warning	ILX	Crawford, Lawrence	61 min
May 31, 11:14 AM CDT	Severe Thunderstorm Warning	LSX	Fayette, Marion	20 min
May 31, 11:26 AM CDT	Severe Thunderstorm Warning	ILX	Clay, Jasper, Richland	49 min
May 31, 11:26 AM CDT	Severe Thunderstorm Warning	PAH	Wabash	34 min
May 31, 2:36 PM CDT	Severe Thunderstorm Warning	PAH	Alexander	39 min
May 31, 3:45 PM CDT	Severe Thunderstorm Warning	PAH	Massac	60 min
May 31, 4:03 PM CDT	Severe Thunderstorm Warning	ILX	DeWitt, McLean	42 min
May 31, 4:05 PM CDT	Severe Thunderstorm Warning	PAH	Massac, Pope	55 min
May 31, 4:34 PM CDT	Severe Thunderstorm Warning	PAH	Massac	26 min
May 31, 4:47 PM CDT	Severe Thunderstorm Warning	PAH	Massac	28 min
May 31, 6:06 PM CDT	Severe Thunderstorm Warning	ILX	Champaign, Vermilion	39 min
May 31, 6:46 PM CDT	Severe Thunderstorm Warning	LSX	Bond, Macoupin, Madison, Montgomery	44 min
May 31, 6:56 PM CDT	Severe Thunderstorm Warning	PAH	White	34 min

By county

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

52 more counties

Nearby

Alerts in force now Tornadoes on record The radar archive 2017 2019

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.