Weather alerts in Illinois, April 2020

324 weather alerts in April 2020, 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 April 2020. Tap one for its archive.

Alerts: 324
Warnings: 163
Watches: 28
Advisories: 69
Busiest day: April 8, 202073 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
Apr 1, 10:08 AM CDT	River Flood Watch	DVN	Carroll, Jo Daviess	35 hr
Apr 1, 5:12 PM CDT	Marine Dense Fog Advisory	LOT		20 hr
Apr 1, 10:43 PM CDT	Dense Fog Advisory	LOT	Cook, Will	10 hr
Apr 2, 8:53 PM CDT	River Flood Warning	DVN	Carroll, Jo Daviess	11 days
Apr 3, 10:18 AM CDT	River Flood Warning	LSX	Clinton	5 days
Apr 6, 6:20 AM CDT	Dense Fog Advisory	PAH	Edwards, Franklin, Gallatin, Hamilton, Jackson, Jefferson and 6 more	3 hr
Apr 6, 11:03 PM CDT	Mesoscale Discussion	SPC	Boone, Cook, DeKalb, DuPage, Grundy, Kane and 8 more	2 hr
Apr 7, 3:59 AM CDT	Marine Dense Fog Advisory	LOT		9 hr
Apr 7, 4:22 AM CDT	Small Craft Advisory	LOT		15 hr
Apr 7, 3:06 PM CDT	Mesoscale Discussion	SPC	Boone, Cook, DeKalb, DuPage, Kane, Lake and 2 more	114 min
Apr 7, 3:55 PM CDT	Severe Thunderstorm Watch	SPC	Lake, McHenry	5 hr
Apr 7, 5:07 PM CDT	Mesoscale Discussion	SPC	Boone, Bureau, Carroll, DeKalb, DuPage, Grundy and 20 more	83 min
Apr 7, 5:26 PM CDT	Severe Thunderstorm Watch	SPC	Boone, Carroll, Cook, DeKalb, DuPage, Jo Daviess and 11 more	6 hr
Apr 7, 5:55 PM CDT	Severe Thunderstorm Warning	DVN	Jo Daviess, Stephenson	50 min
Apr 7, 5:59 PM CDT	Mesoscale Discussion	SPC	Cook	91 min
Apr 7, 6:14 PM CDT	Severe Thunderstorm Warning	LOT	Winnebago	61 min
Apr 7, 6:51 PM CDT	Severe Thunderstorm Warning	LOT	Lake, McHenry	54 min
Apr 7, 6:53 PM CDT	Special Weather Statement	DVN	Stephenson	37 min
Apr 7, 6:56 PM CDT	Special Marine Warning	LOT		2 hr
Apr 7, 7:01 PM CDT	Severe Thunderstorm Warning	LOT	Boone, Winnebago	59 min
Apr 7, 7:18 PM CDT	Severe Thunderstorm Warning	DVN	Stephenson	27 min
Apr 7, 7:22 PM CDT	Mesoscale Discussion	SPC	Boone, Bureau, Carroll, Cook, DeKalb, DuPage and 18 more	83 min
Apr 7, 7:27 PM CDT	Severe Thunderstorm Warning	LOT	DeKalb, Kane, McHenry, Ogle	48 min
Apr 7, 8:17 PM CDT	Severe Thunderstorm Warning	DVN	Henry, Rock Island, Whiteside	58 min
Apr 7, 8:17 PM CDT	Severe Thunderstorm Warning	LOT	Cook	28 min
Apr 7, 8:17 PM CDT	Severe Thunderstorm Warning	LOT	Cook, DuPage	45 min
Apr 7, 8:27 PM CDT	Special Weather Statement	LOT	DeKalb	18 min
Apr 7, 8:28 PM CDT	Special Marine Warning	LOT		47 min
Apr 7, 8:38 PM CDT	Severe Thunderstorm Warning	LOT	DeKalb, Kane	25 min
Apr 7, 8:40 PM CDT	Severe Thunderstorm Warning	LOT	Cook	50 min
Apr 7, 9:07 PM CDT	Severe Thunderstorm Warning	DVN	Rock Island	23 min
Apr 7, 9:13 PM CDT	Areal Flood Advisory	LOT	Cook	3 hr
Apr 7, 9:13 PM CDT	Special Weather Statement	LOT	DuPage	17 min
Apr 7, 9:27 PM CDT	Severe Thunderstorm Warning	DVN	Mercer, Rock Island	33 min
Apr 7, 9:27 PM CDT	Special Weather Statement	LOT	DuPage	18 min
Apr 7, 9:40 PM CDT	Severe Thunderstorm Warning	DVN	Mercer, Rock Island	35 min
Apr 7, 9:57 PM CDT	Severe Thunderstorm Warning	DVN	Henry, Mercer, Rock Island	33 min
Apr 7, 10:09 PM CDT	Severe Thunderstorm Warning	DVN	Mercer, Warren	36 min
Apr 7, 10:43 PM CDT	Severe Thunderstorm Warning	DVN	Mercer, Warren	17 min
Apr 7, 10:48 PM CDT	Severe Thunderstorm Warning	ILX	Knox	24 min
Apr 7, 11:20 PM CDT	Mesoscale Discussion	SPC	Champaign, Christian, Coles, Douglas, Edgar, Macon and 3 more	85 min
Apr 8, 3:45 AM CDT	Gale Watch	LOT		18 hr
Apr 8, 3:45 AM CDT	Marine Dense Fog Advisory	LOT		6 hr
Apr 8, 3:45 AM CDT	Small Craft Advisory	LOT		27 hr
Apr 8, 4:16 AM CDT	Dense Fog Advisory	LOT	Boone, DeKalb, Lee, McHenry, Ogle, Winnebago	5 hr
Apr 8, 4:22 AM CDT	Dense Fog Advisory	DVN	Carroll, Henry, Jo Daviess, Rock Island, Stephenson, Whiteside	5 hr
Apr 8, 9:37 AM CDT	Marine Dense Fog Advisory	LOT		9 hr
Apr 8, 1:46 PM CDT	Mesoscale Discussion	SPC	Adams, Bond, Brown, Calhoun, Cass, Champaign and 43 more	119 min
Apr 8, 2:56 PM CDT	Severe Thunderstorm Warning	DVN	Hancock, Henderson	64 min
Apr 8, 3:08 PM CDT	Severe Thunderstorm Watch	SPC	Adams, Bond, Brown, Bureau, Calhoun, Cass and 58 more	6 hr
Apr 8, 3:26 PM CDT	Severe Thunderstorm Warning	DVN	Hancock, McDonough	49 min
Apr 8, 3:29 PM CDT	Severe Thunderstorm Warning	DVN	Hancock, Henderson, McDonough, Warren	61 min
Apr 8, 3:41 PM CDT	Severe Thunderstorm Warning	DVN	Hancock	49 min
Apr 8, 3:45 PM CDT	Mesoscale Discussion	SPC	Alexander, Edwards, Franklin, Gallatin, Hamilton, Hardin and 14 more	2 hr
Apr 8, 3:49 PM CDT	Severe Thunderstorm Warning	DVN	Warren	26 min
Apr 8, 3:50 PM CDT	Severe Thunderstorm Warning	DVN	McDonough	40 min
Apr 8, 3:53 PM CDT	Severe Thunderstorm Warning	DVN	Bureau, Putnam	22 min
Apr 8, 3:53 PM CDT	Severe Thunderstorm Warning	ILX	Knox, Peoria, Stark	52 min
Apr 8, 4:02 PM CDT	Severe Thunderstorm Warning	ILX	Fulton	43 min
Apr 8, 4:02 PM CDT	Special Weather Statement	LOT	LaSalle	28 min
Apr 8, 4:08 PM CDT	Severe Thunderstorm Warning	ILX	Fulton, Knox, Peoria	30 min
Apr 8, 4:09 PM CDT	Severe Thunderstorm Warning	DVN	Mercer, Rock Island	25 min
Apr 8, 4:20 PM CDT	Special Weather Statement	LOT	Kane	25 min
Apr 8, 4:24 PM CDT	Tornado Watch	SPC	Alexander, Edwards, Franklin, Gallatin, Hamilton, Hardin and 14 more	7 hr
Apr 8, 4:34 PM CDT	Severe Thunderstorm Warning	ILX	Cass, Mason, Menard, Morgan, Sangamon	41 min
Apr 8, 4:37 PM CDT	Severe Thunderstorm Warning	LOT	Cook, DeKalb, DuPage, Kane, Lake, McHenry	23 min
Apr 8, 4:40 PM CDT	Severe Thunderstorm Warning	ILX	Fulton, Logan, Mason, Menard, Tazewell	50 min
Apr 8, 4:43 PM CDT	Severe Thunderstorm Warning	LSX	Adams, Brown, Pike	22 min
Apr 8, 4:52 PM CDT	Severe Thunderstorm Warning	LSX	Adams, Pike	24 min
Apr 8, 4:54 PM CDT	Special Marine Warning	LOT		66 min
Apr 8, 4:56 PM CDT	Special Weather Statement	DVN	Stark	34 min
Apr 8, 4:59 PM CDT	Special Weather Statement	LOT	Cook, Lake	16 min
Apr 8, 5:07 PM CDT	Special Weather Statement	ILX	McLean	38 min
Apr 8, 5:08 PM CDT	Special Weather Statement	LOT	DeKalb	37 min
Apr 8, 5:10 PM CDT	Severe Thunderstorm Warning	ILX	Christian, Logan, Macon, Menard, Sangamon	50 min
Apr 8, 5:16 PM CDT	Severe Thunderstorm Warning	ILX	DeWitt, Logan, McLean, Macon, Menard, Piatt	44 min
Apr 8, 5:16 PM CDT	Special Weather Statement	PAH	Perry	44 min
Apr 8, 5:24 PM CDT	Severe Thunderstorm Warning	LSX	Randolph	36 min
Apr 8, 5:26 PM CDT	Severe Thunderstorm Warning	PAH	Perry	49 min
Apr 8, 5:27 PM CDT	Severe Thunderstorm Warning	ILX	Cass, Menard, Morgan, Sangamon	33 min
Apr 8, 5:29 PM CDT	Severe Thunderstorm Warning	ILX	Cass, Morgan, Sangamon, Scott	31 min
Apr 8, 5:38 PM CDT	Special Weather Statement	LOT	Kane, Kendall	22 min
Apr 8, 5:56 PM CDT	Severe Thunderstorm Warning	ILX	Champaign, Christian, Douglas, Macon, Moultrie, Piatt and 2 more	49 min
Apr 8, 5:59 PM CDT	Severe Thunderstorm Warning	PAH	Jackson, Perry	46 min
Apr 8, 6:08 PM CDT	Severe Thunderstorm Warning	ILX	Champaign, Vermilion	52 min
Apr 8, 6:15 PM CDT	Severe Thunderstorm Warning	PAH	Perry	32 min
Apr 8, 6:16 PM CDT	Severe Thunderstorm Warning	PAH	Alexander, Pulaski	44 min
Apr 8, 6:17 PM CDT	Severe Thunderstorm Warning	LSX	Calhoun, Jersey	43 min
Apr 8, 6:31 PM CDT	Severe Thunderstorm Warning	PAH	Jackson, Union	44 min
Apr 8, 6:33 PM CDT	Severe Thunderstorm Warning	ILX	Clark, Clay, Coles, Crawford, Cumberland, Douglas and 5 more	42 min
Apr 8, 6:47 PM CDT	Severe Thunderstorm Warning	LSX	Calhoun, Jersey, Macoupin, Madison	27 min
Apr 8, 6:56 PM CDT	Severe Thunderstorm Warning	PAH	Alexander, Union	23 min
Apr 8, 7:00 PM CDT	Severe Thunderstorm Warning	LSX	Bond, Fayette, Montgomery	45 min
Apr 8, 7:13 PM CDT	Severe Thunderstorm Warning	ILX	Clark, Clay, Crawford, Effingham, Jasper, Lawrence and 1 more	47 min
Apr 8, 7:28 PM CDT	Severe Thunderstorm Warning	PAH	Johnson, Pope, Saline, Union, Williamson	21 min
Apr 8, 7:30 PM CDT	Severe Thunderstorm Warning	PAH	Edwards, Wabash	45 min
Apr 8, 7:32 PM CDT	Severe Thunderstorm Warning	LSX	Fayette, Marion	43 min
Apr 8, 7:35 PM CDT	Severe Thunderstorm Warning	PAH	Wayne	40 min
Apr 8, 7:46 PM CDT	Mesoscale Discussion	SPC	Alexander, Clay, Clinton, Crawford, Edwards, Franklin and 22 more	119 min
Apr 8, 7:55 PM CDT	Severe Thunderstorm Warning	LSX	Clinton, Marion, Washington	29 min
Apr 8, 7:55 PM CDT	Severe Thunderstorm Warning	PAH	Alexander, Johnson, Pulaski, Union	50 min
Apr 8, 7:57 PM CDT	Severe Thunderstorm Warning	ILX	Clay, Lawrence, Richland	33 min
Apr 8, 8:13 PM CDT	Flash Flood Warning	PAH	Alexander, Union	3 hr
Apr 8, 8:17 PM CDT	Severe Thunderstorm Warning	PAH	Edwards, Wabash, White	22 min
Apr 8, 8:17 PM CDT	Severe Thunderstorm Warning	PAH	Massac, Pulaski	43 min
Apr 8, 8:40 PM CDT	Severe Thunderstorm Warning	PAH	Alexander, Johnson, Pulaski, Union	20 min
Apr 8, 8:57 PM CDT	Areal Flood Advisory	PAH	Alexander, Massac, Pulaski, Union	3 hr
Apr 8, 9:24 PM CDT	Gale Warning	LOT		30 hr
Apr 8, 9:24 PM CDT	Small Craft Advisory	LOT		42 hr
Apr 9, 2:52 AM CDT	Wind Advisory	DVN	Bureau, Carroll, Hancock, Henderson, Henry, Jo Daviess and 7 more	16 hr
Apr 9, 3:18 AM CDT	Wind Advisory	LOT	Boone, Cook, DeKalb, DuPage, Ford, Grundy and 12 more	16 hr
Apr 9, 3:28 AM CDT	Wind Advisory	ILX	Cass, Champaign, Christian, Coles, DeWitt, Douglas and 21 more	16 hr
Apr 9, 3:53 AM CDT	Freeze Warning	LSX	Calhoun, Greene, Jersey, Macoupin, Montgomery, Pike	29 hr
Apr 9, 3:53 AM CDT	Wind Advisory	LSX	Adams, Brown, Calhoun, Greene, Jersey, Macoupin and 2 more	15 hr
Apr 9, 2:33 PM CDT	Freeze Warning	ILX	Champaign, Christian, Clark, Coles, Cumberland, Douglas and 9 more	18 hr
Apr 10, 3:14 AM CDT	Frost Advisory	ILX	Champaign, Clark, Clay, Coles, Crawford, Cumberland and 7 more	24 hr
Apr 10, 3:24 AM CDT	Frost Advisory	PAH	Edwards, Franklin, Gallatin, Hamilton, Hardin, Jefferson and 8 more	28 hr
Apr 11, 3:19 AM CDT	Gale Watch	LOT		24 hr
Apr 11, 5:08 PM CDT	Special Weather Statement	DVN	McDonough	67 min
Apr 11, 5:25 PM CDT	Severe Thunderstorm Warning	DVN	Hancock, Henderson, McDonough, Warren	50 min
Apr 11, 5:57 PM CDT	Special Weather Statement	ILX	Fulton	33 min
Apr 11, 6:05 PM CDT	Severe Thunderstorm Warning	ILX	Fulton	25 min
Apr 11, 6:22 PM CDT	Special Weather Statement	ILX	Schuyler	23 min
Apr 11, 6:45 PM CDT	Special Weather Statement	ILX	Morgan, Scott	30 min
Apr 11, 6:57 PM CDT	Severe Thunderstorm Warning	ILX	Morgan, Sangamon, Scott	48 min
Apr 11, 7:31 PM CDT	Severe Thunderstorm Warning	ILX	Christian, Sangamon	44 min
Apr 11, 8:06 PM CDT	Severe Thunderstorm Warning	ILX	Christian, Macon, Shelby	39 min
Apr 12, 1:54 AM CDT	Special Weather Statement	DVN	Hancock, Henderson, McDonough, Warren	81 min
Apr 12, 3:15 AM CDT	Wind Advisory	LSX	Adams, Bond, Brown, Calhoun, Clinton, Fayette and 11 more	31 hr
Apr 12, 3:16 AM CDT	Gale Warning	LOT		41 hr
Apr 12, 3:21 AM CDT	Wind Advisory	PAH	Alexander, Edwards, Franklin, Gallatin, Hamilton, Hardin and 13 more	31 hr
Apr 12, 3:39 AM CDT	Wind Advisory	ILX	Cass, Champaign, Christian, Clark, Clay, Coles and 29 more	35 hr
Apr 12, 3:42 AM CDT	Wind Advisory	DVN	Bureau, Carroll, Hancock, Henderson, Henry, Jo Daviess and 7 more	36 hr
Apr 12, 3:57 AM CDT	Wind Advisory	LOT	Boone, Cook, DeKalb, DuPage, Ford, Grundy and 12 more	36 hr
Apr 12, 10:20 AM CDT	River Flood Warning	DVN	Hancock	4 days
Apr 12, 6:04 PM CDT	Special Weather Statement	DVN	Jo Daviess	41 min
Apr 13, 11:54 AM CDT	River Flood Warning	PAH	Pulaski	29 days
Apr 13, 3:03 PM CDT	Freeze Warning	ILX	Cass, Champaign, Christian, Clark, Coles, Cumberland and 15 more	18 hr
Apr 13, 3:44 PM CDT	Freeze Warning	LSX	Adams, Brown, Calhoun, Greene, Jersey, Macoupin and 2 more	17 hr
Apr 13, 5:57 PM CDT	Freeze Watch	PAH	Alexander, Edwards, Franklin, Gallatin, Hamilton, Hardin and 13 more	9 hr
Apr 13, 8:01 PM CDT	Small Craft Advisory	LOT		25 hr
Apr 14, 2:27 AM CDT	Freeze Warning	PAH	Alexander, Edwards, Franklin, Gallatin, Hamilton, Hardin and 13 more	30 hr
Apr 14, 3:21 PM CDT	Freeze Warning	ILX	Champaign, Clark, Clay, Coles, Crawford, Cumberland and 7 more	17 hr
Apr 14, 3:21 PM CDT	Freeze Warning	LSX	Clinton, Fayette, Marion, Randolph, Washington	18 hr
Apr 15, 5:22 AM CDT	Winter Weather Advisory	LOT	Boone, Cook, DeKalb, DuPage, Grundy, Kane and 9 more	5 hr
Apr 15, 1:32 PM CDT	Frost Advisory	PAH	Alexander, Hardin, Johnson, Massac, Pope, Pulaski and 1 more	17 hr
Apr 15, 1:32 PM CDT	Freeze Warning	PAH	Edwards, Franklin, Gallatin, Hamilton, Jackson, Jefferson and 6 more	17 hr
Apr 15, 3:13 PM CDT	Winter Storm Watch	DVN	Bureau, Henderson, Henry, Mercer, Putnam, Warren	11 hr
Apr 15, 3:18 PM CDT	Winter Storm Watch	ILX	Knox, Marshall, Stark	12 hr
Apr 15, 3:41 PM CDT	Frost Advisory	LSX	Randolph	16 hr
Apr 16, 2:12 AM CDT	Winter Storm Warning	DVN	Bureau, Hancock, Henderson, Henry, McDonough, Mercer and 3 more	29 hr
Apr 16, 2:12 AM CDT	Winter Weather Advisory	DVN	Carroll, Rock Island, Whiteside	29 hr
Apr 16, 3:28 AM CDT	Winter Weather Advisory	LOT	Cook, DeKalb, DuPage, Ford, Grundy, Iroquois and 7 more	32 hr
Apr 16, 3:31 AM CDT	Winter Storm Warning	ILX	Fulton, Knox, Marshall, Peoria, Stark, Woodford	30 hr
Apr 16, 3:31 AM CDT	Winter Weather Advisory	ILX	Fulton, McLean, Tazewell	30 hr
Apr 16, 5:43 PM CDT	Mesoscale Discussion	SPC	Hancock, Henderson, McDonough, Warren	4 hr
Apr 16, 8:19 PM CDT	River Flood Watch	DVN	Hancock	13 hr
Apr 17, 2:27 AM CDT	Frost Advisory	PAH	Alexander, Edwards, Franklin, Gallatin, Hamilton, Hardin and 13 more	30 hr
Apr 17, 3:55 AM CDT	Gale Watch	LOT		11 hr
Apr 17, 8:53 AM CDT	River Flood Warning	DVN	Hancock	70 hr
Apr 17, 11:46 AM CDT	Frost Advisory	LSX	Bond, Clinton, Fayette, Madison, Marion, Monroe and 3 more	20 hr
Apr 17, 11:46 AM CDT	Freeze Warning	LSX	Adams, Brown, Calhoun, Greene, Jersey, Macoupin and 2 more	20 hr
Apr 17, 12:41 PM CDT	Frost Advisory	ILX	Clark, Clay, Crawford, Cumberland, Effingham, Jasper and 2 more	20 hr
Apr 17, 12:41 PM CDT	Freeze Warning	ILX	Cass, Champaign, Christian, Coles, DeWitt, Douglas and 21 more	20 hr
Apr 17, 3:22 PM CDT	Gale Warning	LOT		31 hr
Apr 18, 9:53 PM CDT	Small Craft Advisory	LOT		9 hr
Apr 19, 2:51 PM CDT	Small Craft Advisory	LOT		52 hr
Apr 20, 4:45 PM CDT	Special Weather Statement	DVN	Jo Daviess	60 min
Apr 20, 5:46 PM CDT	Special Weather Statement	DVN	Carroll, Jo Daviess, Stephenson	59 min
Apr 20, 6:00 PM CDT	Special Weather Statement	LOT	Boone, Winnebago	60 min
Apr 20, 6:55 PM CDT	Special Marine Warning	LOT		95 min
Apr 20, 7:06 PM CDT	Special Weather Statement	LOT	DeKalb, DuPage, Kane, Lake, Lee, McHenry and 1 more	54 min
Apr 20, 7:59 PM CDT	Special Marine Warning	LOT		2 hr
Apr 20, 8:12 PM CDT	Special Weather Statement	LOT	Cook, DuPage, Kane, Kendall, Lake	63 min
Apr 20, 9:50 PM CDT	Special Marine Warning	LOT		55 min
Apr 23, 4:11 PM CDT	Special Weather Statement	DVN	Mercer	34 min
Apr 23, 4:49 PM CDT	Special Weather Statement	DVN	Mercer	56 min
Apr 23, 5:10 PM CDT	Special Weather Statement	DVN	Warren	65 min
Apr 23, 6:15 PM CDT	Special Weather Statement	DVN	Warren	30 min
Apr 24, 2:13 AM CDT	Dense Fog Advisory	ILX	Cass, Champaign, Christian, Clark, Clay, Coles and 29 more	7 hr
Apr 24, 3:00 AM CDT	Dense Fog Advisory	PAH	Alexander, Edwards, Franklin, Gallatin, Hamilton, Hardin and 13 more	6 hr
Apr 24, 3:06 AM CDT	Dense Fog Advisory	LSX	Bond, Clinton, Fayette, Macoupin, Madison, Marion and 5 more	6 hr
Apr 24, 4:20 AM CDT	Marine Dense Fog Advisory	LOT		9 hr
Apr 24, 2:45 PM CDT	Small Craft Advisory	LOT		60 hr
Apr 24, 3:53 PM CDT	Special Weather Statement	ILX	Morgan	52 min
Apr 24, 5:09 PM CDT	Special Weather Statement	ILX	Macon, Sangamon	36 min
Apr 25, 1:44 AM CDT	Flood Watch	DVN	McDonough, Warren	13 hr
Apr 25, 1:52 AM CDT	Flood Watch	ILX	Cass, Fulton, Knox, Logan, McLean, Marshall and 10 more	23 hr
Apr 25, 2:34 AM CDT	Flood Watch	LSX	Brown, Greene, Macoupin, Pike	17 hr
Apr 25, 3:09 AM CDT	Flood Watch	LOT	LaSalle, Livingston	19 hr
Apr 25, 8:57 AM CDT	River Flood Warning	ILX	Cass, Mason	13 days
Apr 25, 9:09 AM CDT	River Flood Warning	ILX	Cass, Fulton, Mason	55 days
Apr 25, 9:09 AM CDT	River Flood Warning	LSX	Calhoun, Greene, Jersey	54 days
Apr 25, 9:10 AM CDT	River Flood Warning	ILX	Brown, Cass, Morgan, Schuyler	57 days
Apr 25, 12:35 PM CDT	Special Weather Statement	PAH	White	40 min
Apr 25, 12:59 PM CDT	Severe Thunderstorm Warning	PAH	White	46 min
Apr 25, 2:15 PM CDT	Flood Watch	DVN	Bureau, Putnam	6 hr
Apr 25, 3:37 PM CDT	Areal Flood Advisory	PAH	Gallatin, Hamilton, White	3 hr
Apr 25, 7:16 PM CDT	River Flood Warning	LSX	Brown	24 hr
Apr 25, 7:38 PM CDT	River Flood Warning	LSX	Pike, Scott	52 days
Apr 26, 1:15 AM CDT	River Flood Warning	ILX	McLean, Tazewell, Woodford	42 hr
Apr 26, 3:15 AM CDT	River Flood Advisory	LOT	Grundy	24 hr
Apr 26, 8:46 AM CDT	Areal Flood Warning	ILX	McLean	3 hr
Apr 26, 8:57 AM CDT	River Flood Warning	ILX	Cass, Mason, Menard	9 days
Apr 26, 9:58 AM CDT	River Flood Warning	LSX	Madison	6 days
Apr 26, 11:31 AM CDT	River Flood Warning	PAH	Alexander	8 days
Apr 26, 12:02 PM CDT	River Flood Warning	ILX	Clay, Richland	9 days
Apr 26, 1:55 PM CDT	River Flood Warning	LOT	LaSalle	16 hr
Apr 27, 3:02 AM CDT	Small Craft Advisory	LOT		16 hr
Apr 27, 2:01 PM CDT	River Flood Warning	ILX	Mason, Menard	11 hr
Apr 27, 9:20 PM CDT	Marine Dense Fog Advisory	LOT		13 hr
Apr 28, 3:21 AM CDT	Gale Watch	LOT		24 hr
Apr 28, 8:59 AM CDT	River Flood Warning	PAH	Gallatin, Wayne, White	6 days
Apr 28, 3:14 PM CDT	Small Craft Advisory	LOT		28 hr
Apr 28, 3:33 PM CDT	Mesoscale Discussion	SPC	Adams, Bond, Brown, Bureau, Calhoun, Cass and 41 more	87 min
Apr 28, 3:37 PM CDT	Special Weather Statement	DVN	Bureau	23 min
Apr 28, 3:51 PM CDT	Severe Thunderstorm Watch	SPC	Adams, Bond, Brown, Calhoun, Cass, Christian and 37 more	7 hr
Apr 28, 3:56 PM CDT	Special Weather Statement	DVN	Hancock	49 min
Apr 28, 3:57 PM CDT	Special Weather Statement	DVN	Bureau	63 min
Apr 28, 3:59 PM CDT	Special Weather Statement	LOT	Lee	46 min
Apr 28, 4:02 PM CDT	Severe Thunderstorm Warning	DVN	Bureau	28 min
Apr 28, 4:17 PM CDT	Severe Thunderstorm Warning	LOT	LaSalle, Lee	28 min
Apr 28, 4:28 PM CDT	Severe Thunderstorm Warning	ILX	Marshall, Peoria, Stark	47 min
Apr 28, 4:29 PM CDT	Special Weather Statement	LOT	DeKalb	16 min
Apr 28, 4:42 PM CDT	Special Weather Statement	DVN	McDonough	48 min
Apr 28, 4:45 PM CDT	Severe Thunderstorm Warning	LOT	LaSalle	45 min
Apr 28, 4:51 PM CDT	Mesoscale Discussion	SPC	Cook, DeKalb, DuPage, Grundy, Kane, Kankakee and 4 more	114 min
Apr 28, 5:07 PM CDT	Severe Thunderstorm Warning	ILX	Marshall, Peoria, Woodford	38 min
Apr 28, 5:14 PM CDT	Special Weather Statement	LOT	Kendall	46 min
Apr 28, 5:15 PM CDT	Severe Thunderstorm Warning	ILX	Logan, Mason, Menard, Tazewell	60 min
Apr 28, 5:37 PM CDT	Severe Thunderstorm Warning	ILX	Marshall, Woodford	38 min
Apr 28, 5:51 PM CDT	Severe Thunderstorm Warning	ILX	Logan, McLean, Tazewell	39 min
Apr 28, 5:55 PM CDT	Severe Thunderstorm Warning	ILX	Cass, Morgan, Scott	34 min
Apr 28, 6:02 PM CDT	Special Weather Statement	DVN	Henry	43 min
Apr 28, 6:02 PM CDT	Severe Thunderstorm Warning	ILX	Logan, Mason, Menard	43 min
Apr 28, 6:06 PM CDT	Special Weather Statement	LOT	Woodford	24 min
Apr 28, 6:16 PM CDT	Special Marine Warning	LOT		89 min
Apr 28, 6:32 PM CDT	Mesoscale Discussion	SPC	Bond, Calhoun, Cass, Champaign, Christian, Clinton and 29 more	118 min
Apr 28, 6:33 PM CDT	Special Marine Warning	LOT		57 min
Apr 28, 6:41 PM CDT	Mesoscale Discussion	SPC	Alexander, Clay, Edwards, Franklin, Hamilton, Jackson and 12 more	64 min
Apr 28, 6:51 PM CDT	Severe Thunderstorm Warning	LSX	Calhoun, Jersey	39 min
Apr 28, 6:54 PM CDT	Special Weather Statement	DVN	Whiteside	36 min
Apr 28, 7:06 PM CDT	Special Weather Statement	DVN	Whiteside	24 min
Apr 28, 7:07 PM CDT	Severe Thunderstorm Warning	ILX	Christian, Macon, Sangamon, Shelby	53 min
Apr 28, 7:24 PM CDT	Flash Flood Warning	ILX	Christian, DeWitt, Logan, Macon, Sangamon	100 min
Apr 28, 7:35 PM CDT	Severe Thunderstorm Watch	SPC	Alexander, Franklin, Jackson, Jefferson, Johnson, Massac and 4 more	7 hr
Apr 28, 7:38 PM CDT	Severe Thunderstorm Warning	ILX	Christian, Shelby	52 min
Apr 28, 7:54 PM CDT	Severe Thunderstorm Warning	ILX	Christian	36 min
Apr 28, 8:00 PM CDT	Severe Thunderstorm Warning	ILX	Macon, Moultrie, Piatt, Shelby	45 min
Apr 28, 8:41 PM CDT	Severe Thunderstorm Warning	ILX	Douglas, Moultrie, Piatt	49 min
Apr 28, 8:53 PM CDT	Tornado Warning	LSX	Bond, Clinton, Madison	37 min
Apr 28, 9:06 PM CDT	Mesoscale Discussion	SPC	Bond, Christian, Clinton, Coles, Cumberland, Douglas and 15 more	84 min
Apr 28, 9:41 PM CDT	Special Weather Statement	ILX	Clark, Coles, Cumberland, Edgar	49 min
Apr 28, 9:45 PM CDT	Special Weather Statement	ILX	Clay, Effingham, Jasper	45 min
Apr 28, 9:55 PM CDT	Special Weather Statement	PAH	Jefferson, Perry	50 min
Apr 28, 10:19 PM CDT	Special Weather Statement	PAH	Wayne	41 min
Apr 28, 10:23 PM CDT	Special Weather Statement	ILX	Clay, Crawford, Jasper, Lawrence, Richland	82 min
Apr 28, 11:12 PM CDT	Mesoscale Discussion	SPC	Hardin, Johnson, Massac, Pope, Pulaski	63 min
Apr 28, 11:34 PM CDT	Special Weather Statement	PAH	Alexander, Pulaski	56 min
Apr 28, 11:41 PM CDT	Special Weather Statement	PAH	Franklin, Williamson	49 min
Apr 29, 2:57 AM CDT	Gale Warning	LOT		36 hr
Apr 29, 2:57 AM CDT	Marine Dense Fog Advisory	LOT		7 hr
Apr 29, 3:19 AM CDT	Lakeshore Flood Warning	LOT	Cook	46 hr
Apr 29, 3:19 AM CDT	Lakeshore Flood Advisory	LOT	Cook	12 hr
Apr 29, 3:55 AM CDT	Flood Watch	LOT	Boone, Cook, DeKalb, DuPage, Kane, Kendall and 3 more	26 hr
Apr 29, 7:36 AM CDT	River Flood Warning	ILX	Piatt	5 days
Apr 29, 8:54 AM CDT	River Flood Watch	DVN	Henry, Rock Island, Whiteside	34 hr
Apr 29, 9:28 AM CDT	River Flood Watch	MKX	Lake	13 hr
Apr 29, 9:40 AM CDT	River Flood Warning	LSX	Fayette	3 days
Apr 29, 9:54 AM CDT	River Flood Warning	LOT	Lake	6 days
Apr 29, 9:54 AM CDT	River Flood Warning	LOT	Lake	8 days
Apr 29, 9:54 AM CDT	River Flood Warning	LOT	Lake	8 days
Apr 29, 9:54 AM CDT	River Flood Warning	LOT	Cook	7 days
Apr 29, 9:54 AM CDT	River Flood Warning	LOT	Kane, McHenry	21 days
Apr 29, 10:47 AM CDT	River Flood Advisory	LOT	Cook	6 days
Apr 29, 10:47 AM CDT	River Flood Advisory	LOT	Cook	12 hr
Apr 29, 10:47 AM CDT	River Flood Advisory	LOT	Kane, Kendall	21 days
Apr 29, 10:47 AM CDT	River Flood Advisory	LOT	Will	71 hr
Apr 29, 10:47 AM CDT	River Flood Advisory	LOT	DuPage, Will	68 hr
Apr 29, 10:47 AM CDT	River Flood Advisory	LOT	Grundy	20 hr
Apr 29, 10:47 AM CDT	River Flood Advisory	LOT	DuPage	20 hr
Apr 29, 11:03 AM CDT	River Flood Warning	LSX	Brown	45 days
Apr 29, 11:03 AM CDT	River Flood Warning	LSX	Morgan, Pike	45 days
Apr 29, 11:09 AM CDT	River Flood Advisory	LOT	Boone	4 days
Apr 29, 11:09 AM CDT	River Flood Advisory	LOT	Ogle	3 days
Apr 29, 11:21 AM CDT	River Flood Advisory	LOT	Grundy	10 hr
Apr 29, 11:54 AM CDT	River Flood Watch	LOT	LaSalle	10 hr
Apr 29, 11:54 AM CDT	River Flood Watch	LOT	LaSalle	5 days
Apr 29, 11:54 AM CDT	River Flood Watch	LOT	LaSalle	21 days
Apr 29, 11:54 AM CDT	River Flood Watch	LOT	Winnebago	10 hr
Apr 29, 11:54 AM CDT	River Flood Watch	LOT	LaSalle	10 hr
Apr 29, 1:46 PM CDT	River Flood Warning	LOT	DuPage, Will	65 hr
Apr 29, 1:46 PM CDT	River Flood Warning	LOT	Kane, Kendall	68 hr
Apr 29, 1:51 PM CDT	River Flood Advisory	LOT	Iroquois	61 hr
Apr 29, 2:31 PM CDT	River Flood Warning	LOT	LaSalle	4 days
Apr 29, 2:31 PM CDT	River Flood Warning	LOT	Bureau, LaSalle, Putnam	21 days
Apr 29, 4:31 PM CDT	River Flood Warning	IND	Clark, Crawford	3 days
Apr 29, 4:31 PM CDT	River Flood Warning	IND	Crawford, Lawrence	3 days
Apr 29, 4:31 PM CDT	River Flood Warning	IND	Crawford, Lawrence	4 days
Apr 29, 8:22 PM CDT	Wind Advisory	LOT	Cook, DuPage, Lake	19 hr
Apr 29, 8:28 PM CDT	Lakeshore Flood Advisory	LOT	Lake	18 hr
Apr 29, 8:48 PM CDT	Areal Flood Advisory	LOT	Cook, DuPage, Ford, Grundy, Iroquois, Kane and 7 more	7 hr
Apr 29, 8:52 PM CDT	River Flood Warning	LOT	Cook	30 hr
Apr 29, 9:01 PM CDT	River Flood Warning	ILX	McLean, Tazewell, Woodford	46 hr
Apr 29, 9:14 PM CDT	River Flood Advisory	LOT	Will	9 hr
Apr 29, 9:23 PM CDT	River Flood Warning	LOT	LaSalle	52 hr
Apr 29, 9:33 PM CDT	River Flood Advisory	LOT	Kankakee	9 hr
Apr 29, 9:33 PM CDT	River Flood Advisory	LOT	Grundy, Kankakee, Will	9 hr
Apr 29, 9:40 PM CDT	River Flood Warning	LOT	Grundy	57 hr
Apr 29, 9:52 PM CDT	River Flood Warning	LOT	LaSalle	56 hr
Apr 29, 9:58 PM CDT	River Flood Warning	MKX	Lake	6 days
Apr 29, 10:21 PM CDT	River Flood Warning	LOT	Winnebago	11 hr
Apr 29, 10:39 PM CDT	River Flood Warning	LOT	Cook	38 hr
Apr 29, 10:53 PM CDT	River Flood Advisory	LOT	Cook	15 hr
Apr 29, 10:55 PM CDT	River Flood Advisory	LOT	Livingston	36 hr
Apr 30, 3:48 AM CDT	Areal Flood Advisory	LOT	Cook, DuPage, Grundy, Kane, Kankakee, Kendall and 3 more	6 hr
Apr 30, 6:30 AM CDT	River Flood Warning	LOT	Will	34 hr
Apr 30, 6:34 AM CDT	River Flood Warning	LOT	Kankakee	30 hr
Apr 30, 6:34 AM CDT	River Flood Warning	LOT	Grundy, Kankakee, Will	14 hr
Apr 30, 6:41 AM CDT	River Flood Warning	LOT	Grundy	20 hr
Apr 30, 6:44 AM CDT	River Flood Warning	LOT	DuPage	23 hr
Apr 30, 10:50 AM CDT	River Flood Warning	ILX	Marshall, Putnam	10 days
Apr 30, 10:52 AM CDT	River Flood Warning	ILX	Peoria, Tazewell, Woodford	40 days
Apr 30, 2:31 PM CDT	Small Craft Advisory	LOT		13 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	84
Tornado Warning	1
Severe Thunderstorm Watch	5
Tornado Watch	1
Mesoscale Discussion	16
Special Weather Statement	48
Flooding
Areal Flood Warning	1
Flash Flood Warning	2
River Flood Warning	50
Flood Watch	6
River Flood Watch	9
Areal Flood Advisory	5
River Flood Advisory	17
Winter
Winter Storm Warning	2
Winter Storm Watch	2
Winter Weather Advisory	4
Cold
Freeze Warning	10
Freeze Watch	1
Frost Advisory	7
Wind and dust
Wind Advisory	10
Fog and smoke
Dense Fog Advisory	7
Coast and beach
Lakeshore Flood Warning	1
Lakeshore Flood Advisory	2
Marine
Gale Warning	4
Special Marine Warning	8
Gale Watch	4
Marine Dense Fog Advisory	7
Small Craft Advisory	10

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 2019 2021

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.