Alert archive / Illinois / Severe Thunderstorm Warnings / 2023

Severe Thunderstorm Warnings in Illinois, April 2023

196 severe thunderstorm warnings in April 2023. 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 April 2023. Tap one for its archive.

Severe Thunderstorm Warnings: 196
Busiest day: April 20, 202344 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
Mar 31, 7:01 PM CDT	Severe Thunderstorm Warning	ILX	Christian, Macon, Moultrie, Sangamon, Shelby	44 min
Mar 31, 7:10 PM CDT	Severe Thunderstorm Warning Considerable damage threat	LOT	LaSalle	50 min
Mar 31, 7:33 PM CDT	Severe Thunderstorm Warning	ILX	Christian, Macon	27 min
Mar 31, 7:35 PM CDT	Severe Thunderstorm Warning Destructive damage threat	LOT	Kane, Kendall	40 min
Mar 31, 7:36 PM CDT	Severe Thunderstorm Warning	LSX	Bond, Macoupin, Madison, Monroe, Montgomery, Saint Clair	39 min
Mar 31, 7:38 PM CDT	Severe Thunderstorm Warning	LOT	Ford, Iroquois	22 min
Mar 31, 7:38 PM CDT	Severe Thunderstorm Warning	LSX	Monroe, Saint Clair	52 min
Mar 31, 7:40 PM CDT	Severe Thunderstorm Warning Considerable damage threat	ILX	Champaign, Douglas, Macon, Piatt	35 min
Mar 31, 7:43 PM CDT	Severe Thunderstorm Warning Destructive damage threat	LOT	Grundy, LaSalle	47 min
Mar 31, 7:47 PM CDT	Severe Thunderstorm Warning	ILX	Champaign, Piatt	28 min
Mar 31, 7:49 PM CDT	Severe Thunderstorm Warning	ILX	Christian, Macon, Moultrie, Piatt, Shelby	26 min
Mar 31, 7:52 PM CDT	Severe Thunderstorm Warning Destructive damage threat	LOT	Cook, DuPage, Lake, McHenry, Will	68 min
Mar 31, 8:02 PM CDT	Severe Thunderstorm Warning	ILX	Champaign, Christian, Coles, Douglas, Macon, Moultrie and 2 more	28 min
Mar 31, 8:09 PM CDT	Severe Thunderstorm Warning	LSX	Bond, Fayette, Montgomery	35 min
Mar 31, 8:10 PM CDT	Severe Thunderstorm Warning	ILX	Champaign, Vermilion	50 min
Mar 31, 8:27 PM CDT	Severe Thunderstorm Warning	ILX	Coles, Douglas, Edgar, Vermilion	33 min
Mar 31, 8:27 PM CDT	Severe Thunderstorm Warning Considerable damage threat	PAH	Johnson, Massac, Pope	33 min
Mar 31, 8:36 PM CDT	Severe Thunderstorm Warning	ILX	Clay, Coles, Cumberland, Douglas, Effingham, Moultrie and 1 more	24 min
Mar 31, 8:36 PM CDT	Severe Thunderstorm Warning	PAH	White	14 min
Mar 31, 8:39 PM CDT	Severe Thunderstorm Warning	PAH	Massac, Pope, Pulaski	21 min
Mar 31, 8:42 PM CDT	Severe Thunderstorm Warning Considerable damage threat	ILX	Vermilion	33 min
Mar 31, 8:47 PM CDT	Severe Thunderstorm Warning	PAH	Gallatin, Hardin, Pope, Saline	28 min
Mar 31, 8:56 PM CDT	Severe Thunderstorm Warning Considerable damage threat	ILX	Clark, Clay, Coles, Cumberland, Douglas, Edgar and 3 more	34 min
Mar 31, 9:21 PM CDT	Severe Thunderstorm Warning Considerable damage threat	ILX	Clark, Crawford, Edgar, Jasper	24 min
Mar 31, 9:30 PM CDT	Severe Thunderstorm Warning	PAH	Franklin, Jackson, Jefferson, Perry, Williamson	45 min
Mar 31, 9:44 PM CDT	Severe Thunderstorm Warning Considerable damage threat	ILX	Crawford, Jasper, Lawrence, Richland	31 min
Mar 31, 10:01 PM CDT	Severe Thunderstorm Warning	PAH	Edwards, Franklin, Hamilton, Jefferson, Saline, Wayne and 1 more	44 min
Mar 31, 10:37 PM CDT	Severe Thunderstorm Warning	PAH	Edwards, Wabash, Wayne, White	38 min
Apr 4, 4:33 AM CDT	Severe Thunderstorm Warning	DVN	Rock Island	27 min
Apr 4, 4:58 AM CDT	Severe Thunderstorm Warning	LOT	Livingston	47 min
Apr 4, 9:24 AM CDT	Severe Thunderstorm Warning Considerable damage threat	DVN	Henry, Rock Island	51 min
Apr 4, 9:54 AM CDT	Severe Thunderstorm Warning Destructive damage threat	DVN	Bureau, Henry, Rock Island, Whiteside	34 min
Apr 4, 10:26 AM CDT	Severe Thunderstorm Warning Destructive damage threat	DVN	Bureau, Carroll, Henry, Putnam, Rock Island, Whiteside	64 min
Apr 4, 10:33 AM CDT	Severe Thunderstorm Warning Considerable damage threat	LOT	LaSalle, Lee, Ogle	72 min
Apr 4, 10:43 AM CDT	Severe Thunderstorm Warning	DVN	Carroll, Whiteside	32 min
Apr 4, 11:13 AM CDT	Severe Thunderstorm Warning	LOT	Ogle	62 min
Apr 4, 11:16 AM CDT	Severe Thunderstorm Warning	DVN	Carroll, Whiteside	44 min
Apr 4, 11:23 AM CDT	Severe Thunderstorm Warning Destructive damage threat	DVN	Bureau, Putnam	37 min
Apr 4, 11:28 AM CDT	Severe Thunderstorm Warning Destructive damage threat	LOT	LaSalle	47 min
Apr 4, 11:58 AM CDT	Severe Thunderstorm Warning	LOT	Lee, Ogle	56 min
Apr 4, 12:13 PM CDT	Severe Thunderstorm Warning	LOT	DeKalb, Kendall, LaSalle	47 min
Apr 4, 12:35 PM CDT	Severe Thunderstorm Warning	LOT	DeKalb, Lee	25 min
Apr 4, 12:38 PM CDT	Severe Thunderstorm Warning Considerable damage threat	LOT	Boone, DeKalb, Kane, McHenry, Winnebago	52 min
Apr 4, 12:47 PM CDT	Severe Thunderstorm Warning Considerable damage threat	LOT	DeKalb, Kane, Kendall	28 min
Apr 4, 1:01 PM CDT	Severe Thunderstorm Warning Considerable damage threat	LOT	Cook, Kane, Lake, McHenry	89 min
Apr 4, 1:02 PM CDT	Severe Thunderstorm Warning	LOT	Boone, Winnebago	43 min
Apr 4, 1:07 PM CDT	Severe Thunderstorm Warning Considerable damage threat	LOT	Cook, DuPage, Kane, Kendall, Will	70 min
Apr 4, 1:44 PM CDT	Severe Thunderstorm Warning Considerable damage threat	LOT	Boone, McHenry, Winnebago	46 min
Apr 4, 2:10 PM CDT	Severe Thunderstorm Warning	LOT	Lake, McHenry	50 min
Apr 4, 2:28 PM CDT	Severe Thunderstorm Warning	LOT	Cook, Lake	16 min
Apr 4, 5:19 PM CDT	Severe Thunderstorm Warning Considerable damage threat	LSX	Adams	41 min
Apr 4, 5:24 PM CDT	Severe Thunderstorm Warning	LSX	Adams, Brown, Pike	31 min
Apr 4, 5:34 PM CDT	Severe Thunderstorm Warning	ILX	Cass, Morgan, Schuyler	26 min
Apr 4, 5:36 PM CDT	Severe Thunderstorm Warning	LSX	Adams	54 min
Apr 4, 5:46 PM CDT	Severe Thunderstorm Warning	DVN	Hancock, McDonough	44 min
Apr 4, 5:52 PM CDT	Severe Thunderstorm Warning Considerable damage threat	LSX	Adams	17 min
Apr 4, 5:56 PM CDT	Severe Thunderstorm Warning	ILX	Cass, Fulton, Mason, Schuyler	25 min
Apr 4, 6:25 PM CDT	Severe Thunderstorm Warning	DVN	Hancock, McDonough	35 min
Apr 4, 6:27 PM CDT	Severe Thunderstorm Warning	ILX	Schuyler	33 min
Apr 4, 6:46 PM CDT	Severe Thunderstorm Warning	ILX	Fulton, Schuyler	16 min
Apr 4, 7:22 PM CDT	Severe Thunderstorm Warning Considerable damage threat	ILX	Fulton, Knox, Mason, Peoria, Tazewell	38 min
Apr 4, 7:57 PM CDT	Severe Thunderstorm Warning Considerable damage threat	ILX	Fulton, Peoria, Tazewell, Woodford	36 min
Apr 4, 8:34 PM CDT	Severe Thunderstorm Warning	LOT	LaSalle	56 min
Apr 4, 8:49 PM CDT	Severe Thunderstorm Warning	DVN	Carroll, Jo Daviess, Stephenson	26 min
Apr 4, 9:09 PM CDT	Severe Thunderstorm Warning	DVN	Carroll, Jo Daviess, Stephenson	36 min
Apr 4, 9:14 PM CDT	Severe Thunderstorm Warning	LOT	DeKalb, Kane, Kendall	20 min
Apr 4, 9:33 PM CDT	Severe Thunderstorm Warning	DVN	Stephenson	27 min
Apr 5, 3:42 AM CDT	Severe Thunderstorm Warning	DVN	Hancock, McDonough	48 min
Apr 5, 4:09 AM CDT	Severe Thunderstorm Warning	DVN	Henderson, Mercer, Warren	51 min
Apr 5, 4:18 AM CDT	Severe Thunderstorm Warning	PAH	Alexander, Franklin, Jackson, Johnson, Perry, Union and 1 more	42 min
Apr 5, 4:20 AM CDT	Severe Thunderstorm Warning	PAH	Alexander	40 min
Apr 5, 4:50 AM CDT	Severe Thunderstorm Warning	DVN	Henry, Rock Island, Whiteside	40 min
Apr 5, 4:57 AM CDT	Severe Thunderstorm Warning	PAH	Alexander, Jackson, Johnson, Union, Williamson	15 min
Apr 5, 5:01 AM CDT	Severe Thunderstorm Warning	DVN	Jo Daviess, Stephenson	26 min
Apr 5, 5:07 AM CDT	Severe Thunderstorm Warning	LSX	Calhoun, Greene, Pike	39 min
Apr 5, 5:11 AM CDT	Severe Thunderstorm Warning	DVN	Bureau, Carroll, Whiteside	34 min
Apr 5, 5:18 AM CDT	Severe Thunderstorm Warning	LOT	Lee, Ogle	57 min
Apr 5, 5:35 AM CDT	Severe Thunderstorm Warning	ILX	Cass, Morgan, Scott	40 min
Apr 5, 5:35 AM CDT	Severe Thunderstorm Warning	LOT	Winnebago	40 min
Apr 5, 5:38 AM CDT	Severe Thunderstorm Warning	DVN	Bureau, Putnam, Whiteside	38 min
Apr 5, 5:55 AM CDT	Severe Thunderstorm Warning	LOT	DeKalb, Kane, Kendall, LaSalle, Lee, Ogle	48 min
Apr 5, 6:03 AM CDT	Severe Thunderstorm Warning	LOT	Boone, DeKalb, McHenry, Ogle	57 min
Apr 5, 6:26 AM CDT	Severe Thunderstorm Warning	LOT	Kane, Kendall	34 min
Apr 5, 6:54 AM CDT	Severe Thunderstorm Warning	LOT	Cook, Lake	36 min
Apr 5, 8:00 AM CDT	Severe Thunderstorm Warning	LSX	Monroe, Saint Clair	45 min
Apr 5, 9:11 AM CDT	Severe Thunderstorm Warning	LSX	Monroe, Randolph, Saint Clair	26 min
Apr 5, 9:31 AM CDT	Severe Thunderstorm Warning	ILX	Clark, Coles, Cumberland, Edgar, Shelby	44 min
Apr 5, 12:17 PM CDT	Severe Thunderstorm Warning	PAH	Alexander, Jackson, Pulaski, Union, Williamson	28 min
Apr 5, 1:07 PM CDT	Severe Thunderstorm Warning	PAH	Alexander, Johnson, Massac, Pulaski	38 min
Apr 5, 1:35 PM CDT	Severe Thunderstorm Warning	PAH	Massac, Pope	40 min
Apr 5, 1:53 PM CDT	Severe Thunderstorm Warning	PAH	Wabash	37 min
Apr 15, 2:04 PM CDT	Severe Thunderstorm Warning	PAH	Alexander, Pulaski	41 min
Apr 15, 2:20 PM CDT	Severe Thunderstorm Warning	PAH	Johnson, Massac	40 min
Apr 15, 2:47 PM CDT	Severe Thunderstorm Warning	PAH	Massac	43 min
Apr 15, 2:58 PM CDT	Severe Thunderstorm Warning	PAH	Massac	32 min
Apr 15, 3:10 PM CDT	Severe Thunderstorm Warning	PAH	Pope	50 min
Apr 15, 5:08 PM CDT	Severe Thunderstorm Warning	DVN	Hancock	37 min
Apr 15, 5:41 PM CDT	Severe Thunderstorm Warning	DVN	Hancock	49 min
Apr 15, 6:03 PM CDT	Severe Thunderstorm Warning	DVN	Hancock, Henderson, McDonough, Warren	27 min
Apr 15, 6:09 PM CDT	Severe Thunderstorm Warning	ILX	Schuyler	36 min
Apr 15, 6:17 PM CDT	Severe Thunderstorm Warning	LSX	Calhoun, Jersey	43 min
Apr 15, 6:27 PM CDT	Severe Thunderstorm Warning	LSX	Monroe, Randolph, Saint Clair	52 min
Apr 15, 6:28 PM CDT	Severe Thunderstorm Warning	DVN	Hancock, McDonough, Warren	32 min
Apr 15, 6:30 PM CDT	Severe Thunderstorm Warning	ILX	Cass, Morgan, Scott	45 min
Apr 15, 6:36 PM CDT	Severe Thunderstorm Warning	LSX	Jersey, Macoupin, Madison	39 min
Apr 15, 6:39 PM CDT	Severe Thunderstorm Warning	ILX	Fulton, Knox	51 min
Apr 15, 6:41 PM CDT	Severe Thunderstorm Warning	DVN	McDonough	19 min
Apr 15, 6:57 PM CDT	Severe Thunderstorm Warning Considerable damage threat	ILX	Cass, Mason, Menard	33 min
Apr 15, 7:05 PM CDT	Severe Thunderstorm Warning	LSX	Randolph	40 min
Apr 15, 7:15 PM CDT	Severe Thunderstorm Warning	ILX	Fulton, Knox, Peoria, Stark	30 min
Apr 15, 7:20 PM CDT	Severe Thunderstorm Warning	ILX	Fulton, Mason, Peoria, Tazewell	25 min
Apr 15, 7:22 PM CDT	Severe Thunderstorm Warning	PAH	Perry	38 min
Apr 15, 7:29 PM CDT	Severe Thunderstorm Warning	ILX	Logan, Mason, Menard, Tazewell	31 min
Apr 15, 7:34 PM CDT	Severe Thunderstorm Warning	LSX	Montgomery	41 min
Apr 15, 7:44 PM CDT	Severe Thunderstorm Warning	ILX	Fulton, Peoria, Tazewell, Woodford	31 min
Apr 15, 7:47 PM CDT	Severe Thunderstorm Warning	LSX	Clinton, Marion, Washington	43 min
Apr 15, 7:48 PM CDT	Severe Thunderstorm Warning	PAH	Jefferson	57 min
Apr 15, 7:54 PM CDT	Severe Thunderstorm Warning	LSX	Bond, Fayette, Montgomery	51 min
Apr 15, 7:55 PM CDT	Severe Thunderstorm Warning	PAH	Jackson	17 min
Apr 15, 7:56 PM CDT	Severe Thunderstorm Warning Considerable damage threat	ILX	Fulton, Knox, Peoria, Stark	49 min
Apr 15, 8:07 PM CDT	Severe Thunderstorm Warning	ILX	Logan, McLean, Tazewell, Woodford	38 min
Apr 15, 8:19 PM CDT	Severe Thunderstorm Warning Considerable damage threat	ILX	Knox, Marshall, Peoria, Stark, Tazewell, Woodford	41 min
Apr 15, 8:25 PM CDT	Severe Thunderstorm Warning	ILX	Clay, Cumberland, Effingham, Shelby	50 min
Apr 15, 8:30 PM CDT	Severe Thunderstorm Warning	PAH	Alexander, Union	45 min
Apr 15, 8:32 PM CDT	Severe Thunderstorm Warning	PAH	Alexander, Johnson, Pulaski, Union, Williamson	43 min
Apr 15, 9:23 PM CDT	Severe Thunderstorm Warning	PAH	Johnson, Pope, Saline, Union, Williamson	52 min
Apr 15, 9:51 PM CDT	Severe Thunderstorm Warning	LOT	Boone, DeKalb, Ogle, Winnebago	54 min
Apr 15, 10:34 PM CDT	Severe Thunderstorm Warning	LOT	McHenry	38 min
Apr 19, 10:53 AM CDT	Severe Thunderstorm Warning	DVN	Jo Daviess	37 min
Apr 19, 11:24 AM CDT	Severe Thunderstorm Warning	DVN	Jo Daviess	36 min
Apr 19, 11:25 AM CDT	Severe Thunderstorm Warning	DVN	Jo Daviess	35 min
Apr 19, 11:26 AM CDT	Severe Thunderstorm Warning	DVN	Jo Daviess	19 min
Apr 19, 11:32 AM CDT	Severe Thunderstorm Warning	ILX	Fulton	28 min
Apr 19, 11:46 AM CDT	Severe Thunderstorm Warning Considerable damage threat	DVN	Jo Daviess	29 min
Apr 19, 11:58 AM CDT	Severe Thunderstorm Warning	ILX	Knox, Peoria, Stark	32 min
Apr 19, 12:15 PM CDT	Severe Thunderstorm Warning	ILX	Fulton, Knox, Peoria, Tazewell	30 min
Apr 19, 12:41 PM CDT	Severe Thunderstorm Warning	ILX	Fulton, Peoria	34 min
Apr 19, 1:12 PM CDT	Severe Thunderstorm Warning	ILX	Peoria	7 min
Apr 19, 2:22 PM CDT	Severe Thunderstorm Warning	DVN	Bureau	38 min
Apr 19, 3:04 PM CDT	Severe Thunderstorm Warning	DVN	Bureau	30 min
Apr 19, 3:12 PM CDT	Severe Thunderstorm Warning	LOT	Lee	48 min
Apr 19, 3:16 PM CDT	Severe Thunderstorm Warning	LOT	LaSalle	44 min
Apr 19, 3:41 PM CDT	Severe Thunderstorm Warning	LOT	DeKalb, LaSalle, Lee, Ogle	79 min
Apr 19, 4:01 PM CDT	Severe Thunderstorm Warning	ILX	McLean	29 min
Apr 19, 4:05 PM CDT	Severe Thunderstorm Warning	LOT	DeKalb	40 min
Apr 19, 4:22 PM CDT	Severe Thunderstorm Warning	LOT	Kane, McHenry	17 min
Apr 19, 4:26 PM CDT	Severe Thunderstorm Warning Considerable damage threat	LOT	LaSalle	49 min
Apr 19, 4:27 PM CDT	Severe Thunderstorm Warning Considerable damage threat	ILX	Champaign, McLean	21 min
Apr 19, 4:52 PM CDT	Severe Thunderstorm Warning Considerable damage threat	LOT	Grundy, Kendall	38 min
Apr 19, 5:19 PM CDT	Severe Thunderstorm Warning	LOT	Will	71 min
Apr 19, 5:28 PM CDT	Severe Thunderstorm Warning	LOT	Grundy, Kendall	32 min
Apr 19, 7:11 PM CDT	Severe Thunderstorm Warning	LOT	Kankakee	49 min
Apr 20, 1:51 PM CDT	Severe Thunderstorm Warning	LSX	Adams	39 min
Apr 20, 2:15 PM CDT	Severe Thunderstorm Warning	DVN	Hancock, McDonough	60 min
Apr 20, 2:19 PM CDT	Severe Thunderstorm Warning	ILX	Schuyler	26 min
Apr 20, 2:34 PM CDT	Severe Thunderstorm Warning	LSX	Adams	26 min
Apr 20, 2:43 PM CDT	Severe Thunderstorm Warning	ILX	Schuyler	32 min
Apr 20, 2:46 PM CDT	Severe Thunderstorm Warning	LSX	Pike	44 min
Apr 20, 2:51 PM CDT	Severe Thunderstorm Warning	DVN	Mercer	24 min
Apr 20, 3:05 PM CDT	Severe Thunderstorm Warning	DVN	Henry, Mercer, Rock Island	40 min
Apr 20, 3:05 PM CDT	Severe Thunderstorm Warning	DVN	Henderson, Warren	40 min
Apr 20, 3:10 PM CDT	Severe Thunderstorm Warning Considerable damage threat	DVN	McDonough	35 min
Apr 20, 3:10 PM CDT	Severe Thunderstorm Warning	DVN	Carroll, Whiteside	35 min
Apr 20, 3:16 PM CDT	Severe Thunderstorm Warning	ILX	Fulton, Schuyler	29 min
Apr 20, 3:23 PM CDT	Severe Thunderstorm Warning	ILX	Morgan, Scott	37 min
Apr 20, 3:25 PM CDT	Severe Thunderstorm Warning	DVN	Henry, Mercer, Warren	50 min
Apr 20, 3:26 PM CDT	Severe Thunderstorm Warning	LSX	Greene, Pike	34 min
Apr 20, 3:31 PM CDT	Severe Thunderstorm Warning	ILX	Knox	29 min
Apr 20, 3:33 PM CDT	Severe Thunderstorm Warning	DVN	Carroll, Stephenson, Whiteside	42 min
Apr 20, 3:46 PM CDT	Severe Thunderstorm Warning Considerable damage threat	DVN	Bureau, Henry, Whiteside	29 min
Apr 20, 3:53 PM CDT	Severe Thunderstorm Warning	DVN	Whiteside	34 min
Apr 20, 3:56 PM CDT	Severe Thunderstorm Warning	ILX	Knox, Stark	38 min
Apr 20, 3:59 PM CDT	Severe Thunderstorm Warning	ILX	Fulton, Peoria, Tazewell	31 min
Apr 20, 4:00 PM CDT	Severe Thunderstorm Warning	ILX	Morgan, Scott	60 min
Apr 20, 4:00 PM CDT	Severe Thunderstorm Warning	LOT	Lee, Ogle	75 min
Apr 20, 4:05 PM CDT	Severe Thunderstorm Warning	DVN	Bureau, Henry	40 min
Apr 20, 4:06 PM CDT	Severe Thunderstorm Warning Considerable damage threat	LSX	Calhoun, Greene, Jersey	39 min
Apr 20, 4:28 PM CDT	Severe Thunderstorm Warning	ILX	Fulton, Mason, Peoria, Tazewell, Woodford	32 min
Apr 20, 4:34 PM CDT	Severe Thunderstorm Warning	LSX	Calhoun, Greene, Jersey	41 min
Apr 20, 4:36 PM CDT	Severe Thunderstorm Warning Considerable damage threat	DVN	Bureau, Putnam	39 min
Apr 20, 4:38 PM CDT	Severe Thunderstorm Warning	ILX	Morgan, Sangamon	52 min
Apr 20, 4:55 PM CDT	Severe Thunderstorm Warning Considerable damage threat	ILX	Fulton, Marshall, Peoria, Tazewell, Woodford	51 min
Apr 20, 4:55 PM CDT	Severe Thunderstorm Warning	LOT	DeKalb, LaSalle, Lee	52 min
Apr 20, 5:02 PM CDT	Severe Thunderstorm Warning	LOT	Boone, McHenry, Winnebago	31 min
Apr 20, 5:06 PM CDT	Severe Thunderstorm Warning	ILX	Fulton, Mason, Schuyler	41 min
Apr 20, 5:14 PM CDT	Severe Thunderstorm Warning	LOT	DeKalb, Kane	46 min
Apr 20, 5:15 PM CDT	Severe Thunderstorm Warning	LOT	LaSalle, Livingston	60 min
Apr 20, 5:16 PM CDT	Severe Thunderstorm Warning	LSX	Greene, Jersey, Macoupin, Montgomery	44 min
Apr 20, 5:40 PM CDT	Severe Thunderstorm Warning	LOT	Cook, Kane, Lake, McHenry	50 min
Apr 20, 6:06 PM CDT	Severe Thunderstorm Warning	LOT	Grundy, Kankakee, Livingston, Will	54 min
Apr 20, 6:06 PM CDT	Severe Thunderstorm Warning	LOT	DuPage	24 min
Apr 20, 6:22 PM CDT	Severe Thunderstorm Warning Considerable damage threat	LOT	Cook, DuPage, Lake	26 min
Apr 20, 6:28 PM CDT	Severe Thunderstorm Warning	LOT	Cook, DuPage, Will	50 min
Apr 20, 6:35 PM CDT	Severe Thunderstorm Warning	ILX	Christian, Macon, Moultrie, Piatt, Shelby	40 min
Apr 20, 6:47 PM CDT	Severe Thunderstorm Warning	LOT	Kankakee, Will	43 min
Apr 20, 7:28 PM CDT	Severe Thunderstorm Warning	ILX	Christian, Shelby	32 min

By county

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

61 more counties

Nearby

Alerts in force now Tornadoes on record The radar archive 2022 2024

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.