Weather alerts in Illinois, May 2015

172 weather alerts in May 2015, 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 May 2015. Tap one for its archive.

Alerts: 172
Warnings: 49
Watches: 7
Advisories: 42
Busiest day: May 30, 201523 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
May 3, 3:02 AM CDT	Small Craft Advisory	LOT		16 hr
May 3, 3:28 PM CDT	Special Weather Statement	DVN	Carroll	62 min
May 3, 4:02 PM CDT	Special Weather Statement	LOT	DeKalb, Lee, Ogle	58 min
May 3, 4:40 PM CDT	Severe Thunderstorm Warning	DVN	Bureau, Putnam	35 min
May 3, 5:00 PM CDT	Special Weather Statement	LOT	DeKalb	60 min
May 3, 6:39 PM CDT	Special Weather Statement	LOT	Putnam	51 min
May 4, 3:40 PM CDT	Special Weather Statement	DVN	Hancock	50 min
May 4, 4:45 PM CDT	Special Weather Statement	DVN	McDonough	60 min
May 4, 5:05 PM CDT	Severe Thunderstorm Warning	DVN	McDonough	25 min
May 4, 5:41 PM CDT	Severe Thunderstorm Warning	DVN	Hancock, McDonough	34 min
May 4, 6:28 PM CDT	Special Weather Statement	DVN	McDonough	62 min
May 4, 6:49 PM CDT	Special Weather Statement	ILX	Fulton	56 min
May 4, 7:14 PM CDT	Severe Thunderstorm Warning	ILX	Fulton	41 min
May 4, 7:47 PM CDT	Special Weather Statement	ILX	Mason	58 min
May 5, 2:40 PM CDT	Dense Fog Advisory	LOT	Lake	20 hr
May 5, 2:41 PM CDT	Marine Dense Fog Advisory	LOT		46 hr
May 5, 4:10 PM CDT	Severe Thunderstorm Warning	LOT	Ford, Kankakee, Livingston	35 min
May 7, 3:08 AM CDT	Small Craft Advisory	LOT		16 hr
May 7, 1:57 PM CDT	Special Weather Statement	DVN	Hancock, Henderson, McDonough, Warren	48 min
May 7, 3:24 PM CDT	Special Weather Statement	DVN	Henderson	36 min
May 7, 3:51 PM CDT	Special Weather Statement	DVN	Henderson	39 min
May 8, 12:59 PM CDT	Mesoscale Discussion	SPC	Bond, Champaign, Christian, Clark, Clay, Clinton and 39 more	3 hr
May 8, 1:13 PM CDT	Special Weather Statement	LOT	Ford, Iroquois	47 min
May 8, 2:02 PM CDT	Special Weather Statement	LOT	Kankakee	43 min
May 8, 2:09 PM CDT	Special Weather Statement	LOT	LaSalle	36 min
May 8, 2:28 PM CDT	Severe Thunderstorm Warning	PAH	Johnson, Pope, Saline	32 min
May 8, 2:54 PM CDT	Special Weather Statement	LOT	Kankakee	51 min
May 8, 3:07 PM CDT	Special Weather Statement	LOT	Grundy, Will	38 min
May 8, 3:28 PM CDT	Severe Thunderstorm Warning	LOT	Grundy, Kendall, Will	47 min
May 8, 3:39 PM CDT	Special Marine Warning	LOT		51 min
May 8, 4:17 PM CDT	Special Weather Statement	LOT	DuPage, Kendall	28 min
May 8, 4:33 PM CDT	Special Marine Warning	LOT		57 min
May 8, 4:33 PM CDT	Special Weather Statement	LOT	DuPage, Lake	27 min
May 8, 8:27 PM CDT	River Flood Advisory	LOT	Will	42 hr
May 8, 9:21 PM CDT	River Flood Advisory	LOT	Grundy	64 hr
May 8, 9:21 PM CDT	River Flood Advisory	LOT	LaSalle	5 days
May 8, 9:21 PM CDT	River Flood Advisory	LOT	Cook	22 hr
May 8, 9:25 PM CDT	River Flood Watch	LOT	LaSalle	5 days
May 8, 9:31 PM CDT	Marine Dense Fog Advisory	LOT		11 hr
May 9, 6:39 AM CDT	Dense Fog Advisory	ILX	Cass, Christian, DeWitt, Logan, McLean, Macon and 7 more	2 hr
May 9, 9:33 AM CDT	Small Craft Advisory	LOT		12 hr
May 9, 11:12 AM CDT	River Flood Advisory	LOT	Bureau, LaSalle, Putnam	64 hr
May 9, 9:53 PM CDT	Marine Dense Fog Advisory	LOT		12 hr
May 10, 5:29 AM CDT	Small Craft Advisory	LOT		8 hr
May 10, 10:29 AM CDT	River Flood Advisory	LOT	Will	57 hr
May 10, 11:22 AM CDT	River Flood Advisory	LOT	LaSalle	5 days
May 10, 11:26 AM CDT	River Flood Watch	LOT	LaSalle	5 days
May 10, 1:52 PM CDT	River Flood Warning	LOT	Bureau, LaSalle, Putnam	5 days
May 10, 3:07 PM CDT	Special Weather Statement	PAH	Hardin	38 min
May 10, 3:52 PM CDT	Mesoscale Discussion	SPC	Adams, Alexander, Bond, Brown, Calhoun, Clinton and 24 more	68 min
May 10, 4:02 PM CDT	Severe Thunderstorm Watch	SPC	Alexander, Bond, Calhoun, Clinton, Fayette, Franklin and 23 more	4 hr
May 10, 5:14 PM CDT	Severe Thunderstorm Warning	LSX	Jersey, Macoupin, Madison	46 min
May 10, 5:17 PM CDT	Mesoscale Discussion	SPC	Brown, Bureau, Carroll, Cass, Christian, Fulton and 22 more	88 min
May 10, 5:19 PM CDT	Severe Thunderstorm Warning	LSX	Madison	41 min
May 10, 5:44 PM CDT	Severe Thunderstorm Warning	LSX	Bond, Clinton, Madison, Saint Clair	31 min
May 10, 5:46 PM CDT	Marine Dense Fog Advisory	LOT		9 hr
May 10, 5:49 PM CDT	Severe Thunderstorm Warning	LSX	Macoupin, Madison	41 min
May 10, 6:17 PM CDT	Severe Thunderstorm Warning	LSX	Bond, Clinton, Fayette	28 min
May 10, 6:30 PM CDT	Mesoscale Discussion	SPC	Alexander, Bond, Christian, Clay, Clinton, Edwards and 31 more	90 min
May 10, 6:31 PM CDT	Severe Thunderstorm Warning	ILX	Christian, Sangamon	44 min
May 10, 6:35 PM CDT	Severe Thunderstorm Warning	ILX	Christian, Macon, Sangamon, Shelby	40 min
May 10, 6:48 PM CDT	Dense Fog Advisory	LOT	Lake	13 hr
May 10, 6:51 PM CDT	Special Weather Statement	ILX	Crawford	24 min
May 10, 7:10 PM CDT	Severe Thunderstorm Warning	ILX	DeWitt, Logan, Macon, Sangamon	50 min
May 10, 7:48 PM CDT	River Flood Advisory	LOT	Iroquois	3 days
May 10, 7:59 PM CDT	Severe Thunderstorm Warning	ILX	DeWitt, McLean	31 min
May 10, 8:17 PM CDT	Special Weather Statement	ILX	Champaign, Coles, Douglas, Edgar, Vermilion	43 min
May 10, 8:34 PM CDT	Severe Thunderstorm Warning	ILX	Champaign, Clark, Coles, Douglas, Edgar, Vermilion	26 min
May 10, 8:59 PM CDT	Severe Thunderstorm Warning	ILX	Edgar, Vermilion	31 min
May 10, 9:00 PM CDT	River Flood Advisory	LOT	Iroquois	4 days
May 11, 3:49 AM CDT	Marine Dense Fog Advisory	LOT		11 hr
May 11, 3:49 AM CDT	Small Craft Advisory	LOT		39 hr
May 11, 5:50 AM CDT	Special Weather Statement	ILX	Shelby	40 min
May 11, 8:50 AM CDT	River Flood Warning	ILX	Clay, Richland	5 days
May 11, 8:58 AM CDT	Areal Flood Warning	LSX	Clinton, Madison, Monroe, Randolph, Saint Clair, Washington	6 hr
May 11, 9:35 AM CDT	River Flood Warning	LOT	Iroquois	3 days
May 11, 9:55 AM CDT	Special Weather Statement	PAH	Gallatin, Hardin, White	50 min
May 12, 9:50 AM CDT	Lake Wind Advisory	PAH	Edwards, Franklin, Gallatin, Hamilton, Jefferson, Perry and 4 more	6 hr
May 15, 2:13 PM CDT	Mesoscale Discussion	SPC	Adams, Bond, Brown, Calhoun, Cass, Christian and 13 more	2 hr
May 15, 2:52 PM CDT	Severe Thunderstorm Warning	LSX	Calhoun, Jersey	23 min
May 15, 2:59 PM CDT	Severe Thunderstorm Warning	PAH	Alexander	18 min
May 15, 3:51 PM CDT	Marine Dense Fog Advisory	LOT		71 hr
May 15, 4:16 PM CDT	Special Weather Statement	ILX	Macon	29 min
May 15, 4:40 PM CDT	Special Weather Statement	ILX	Logan	35 min
May 15, 4:43 PM CDT	Special Weather Statement	ILX	Vermilion	32 min
May 15, 4:53 PM CDT	Special Weather Statement	ILX	Macon	37 min
May 15, 4:54 PM CDT	Special Weather Statement	DVN	Hancock, McDonough	51 min
May 15, 5:01 PM CDT	Special Weather Statement	ILX	Richland	29 min
May 15, 5:15 PM CDT	Areal Flood Advisory	ILX	Vermilion	2 hr
May 15, 5:22 PM CDT	Areal Flood Advisory	ILX	Macon	3 hr
May 15, 5:42 PM CDT	Special Weather Statement	ILX	Vermilion	33 min
May 15, 5:50 PM CDT	Special Weather Statement	ILX	Crawford	25 min
May 15, 6:48 PM CDT	Special Weather Statement	ILX	Vermilion	42 min
May 16, 4:43 PM CDT	Flash Flood Warning	ILX	Vermilion	5 hr
May 17, 3:40 AM CDT	Lake Wind Advisory	PAH	Alexander, Edwards, Franklin, Gallatin, Hamilton, Hardin and 13 more	15 hr
May 17, 3:31 PM CDT	Special Weather Statement	LOT	Boone	44 min
May 18, 3:04 AM CDT	Small Craft Advisory	LOT		19 hr
May 20, 6:40 PM CDT	Small Craft Advisory	LOT		3 hr
May 24, 3:32 AM CDT	Small Craft Advisory	LOT		29 hr
May 24, 9:44 AM CDT	Lake Wind Advisory	PAH	Alexander, Edwards, Franklin, Gallatin, Hamilton, Hardin and 13 more	9 hr
May 24, 3:18 PM CDT	Gale Warning	LOT		24 hr
May 24, 3:18 PM CDT	Small Craft Advisory	LOT		30 hr
May 24, 3:34 PM CDT	Mesoscale Discussion	SPC	Bureau, Carroll, Fulton, Hancock, Henderson, Henry and 17 more	56 min
May 24, 4:14 PM CDT	Tornado Watch	SPC	Adams, Alexander, Bond, Brown, Calhoun, Clinton and 16 more	8 hr
May 24, 5:34 PM CDT	Tornado Watch	SPC	Boone, Bureau, Carroll, Cass, Christian, DeKalb and 36 more	7 hr
May 24, 6:04 PM CDT	Mesoscale Discussion	SPC	Alexander, Calhoun, Greene, Jackson, Jersey, Madison and 6 more	116 min
May 24, 6:09 PM CDT	Special Weather Statement	DVN	Stephenson	51 min
May 24, 6:41 PM CDT	Mesoscale Discussion	SPC	Bureau, Carroll, Cass, Fulton, Grundy, Hancock and 22 more	94 min
May 24, 7:04 PM CDT	Tornado Warning Tornado observed	DVN	Mercer, Rock Island	26 min
May 24, 7:18 PM CDT	Lake Wind Advisory	PAH	Alexander, Edwards, Franklin, Gallatin, Hamilton, Hardin and 13 more	5 hr
May 24, 8:18 PM CDT	Special Weather Statement	PAH	Alexander	42 min
May 24, 8:41 PM CDT	Mesoscale Discussion	SPC	Alexander, Bond, Clinton, Fayette, Franklin, Jackson and 15 more	64 min
May 24, 8:52 PM CDT	Tornado Warning	LSX	Saint Clair	23 min
May 24, 8:54 PM CDT	Special Weather Statement	PAH	Alexander, Franklin, Jackson, Pulaski, Union, Williamson	51 min
May 24, 9:27 PM CDT	Severe Thunderstorm Warning	LSX	Clinton, Madison, Saint Clair	48 min
May 24, 9:31 PM CDT	Special Weather Statement	PAH	Franklin, Jackson, Jefferson, Perry, Williamson	59 min
May 24, 9:57 PM CDT	Special Weather Statement	PAH	Alexander	63 min
May 24, 10:15 PM CDT	Severe Thunderstorm Warning	LSX	Bond, Clinton, Fayette, Madison, Marion, Montgomery and 1 more	45 min
May 24, 10:40 PM CDT	Mesoscale Discussion	SPC	Champaign, Clark, Clay, Coles, Crawford, Cumberland and 9 more	95 min
May 24, 10:59 PM CDT	Severe Thunderstorm Warning	LSX	Fayette, Montgomery	22 min
May 24, 11:03 PM CDT	Severe Thunderstorm Warning	ILX	Christian, Sangamon	45 min
May 24, 11:29 PM CDT	Severe Thunderstorm Warning	ILX	Macon, Moultrie, Shelby	25 min
May 25, 8:52 PM CDT	Mesoscale Discussion	SPC	Alexander, Pulaski, Union	83 min
May 26, 9:26 AM CDT	Special Weather Statement	ILX	Knox, Stark	34 min
May 26, 10:26 AM CDT	Lake Wind Advisory	PAH	Alexander, Edwards, Franklin, Gallatin, Hamilton, Hardin and 13 more	9 hr
May 26, 10:47 AM CDT	Special Weather Statement	DVN	Whiteside	28 min
May 26, 10:52 AM CDT	Special Weather Statement	LOT	Lee	38 min
May 26, 11:22 AM CDT	Mesoscale Discussion	SPC	Boone, Cook, DeKalb, DuPage, Grundy, Kane and 4 more	113 min
May 26, 1:11 PM CDT	Special Weather Statement	LOT	Cook	34 min
May 26, 1:16 PM CDT	Special Marine Warning	LOT		44 min
May 26, 1:53 PM CDT	Special Marine Warning	LOT		37 min
May 26, 1:59 PM CDT	Small Craft Advisory	LOT		8 hr
May 27, 3:53 AM CDT	Mesoscale Discussion	SPC	Jackson, Monroe, Perry, Randolph, Saint Clair	2 hr
May 27, 7:57 AM CDT	Mesoscale Discussion	SPC	Alexander, Clark, Clay, Crawford, Cumberland, Edgar and 18 more	2 hr
May 27, 9:34 AM CDT	Special Weather Statement	PAH	Gallatin, Hardin, White	56 min
May 27, 11:09 AM CDT	Mesoscale Discussion	SPC	Iroquois, Vermilion	96 min
May 27, 10:08 PM CDT	Areal Flood Advisory	PAH	Franklin, Jefferson, Perry	112 min
May 28, 6:00 PM CDT	Special Weather Statement	ILX	Sangamon	30 min
May 28, 6:14 PM CDT	Special Weather Statement	ILX	Logan	46 min
May 29, 2:44 PM CDT	Gale Warning	LOT		36 hr
May 29, 2:56 PM CDT	Lakeshore Flood Advisory	LOT	Lake	37 hr
May 29, 4:03 PM CDT	Marine Dense Fog Advisory	LOT		11 hr
May 29, 4:46 PM CDT	Areal Flood Advisory	LSX	Monroe, Saint Clair	4 hr
May 29, 4:53 PM CDT	Special Weather Statement	ILX	Logan, Sangamon	52 min
May 29, 8:55 PM CDT	Flash Flood Watch	LSX	Bond, Calhoun, Clinton, Fayette, Greene, Jersey and 8 more	22 hr
May 29, 9:37 PM CDT	Special Weather Statement	PAH	Perry	53 min
May 30, 4:15 AM CDT	Beach Hazards Statement	LOT	Lake	59 hr
May 30, 10:51 AM CDT	Mesoscale Discussion	SPC	Clark, Clay, Clinton, Coles, Crawford, Cumberland and 18 more	114 min
May 30, 11:16 AM CDT	River Flood Warning	LSX	Jackson, Randolph	6 days
May 30, 11:28 AM CDT	River Flood Warning	PAH	Alexander, Jackson, Union	9 days
May 30, 12:14 PM CDT	Severe Thunderstorm Warning	ILX	Clark, Crawford, Jasper	31 min
May 30, 12:35 PM CDT	Special Weather Statement	ILX	Crawford	25 min
May 30, 1:10 PM CDT	Special Weather Statement	ILX	Clark	20 min
May 30, 1:16 PM CDT	Special Weather Statement	PAH	Alexander, Hardin, Johnson, Massac, Pope, Pulaski and 1 more	59 min
May 30, 1:24 PM CDT	Special Weather Statement	ILX	Edgar	36 min
May 30, 2:05 PM CDT	Special Weather Statement	PAH	Franklin, Gallatin, Hamilton, Hardin, Johnson, Massac and 3 more	40 min
May 30, 2:31 PM CDT	Areal Flood Advisory	LSX	Clinton, Monroe, Randolph, Saint Clair, Washington	6 hr
May 30, 4:09 PM CDT	Special Weather Statement	PAH	Wabash	66 min
May 30, 4:16 PM CDT	Flash Flood Warning	ILX	Effingham	6 hr
May 30, 4:17 PM CDT	Severe Thunderstorm Warning	PAH	Wabash	28 min
May 30, 4:29 PM CDT	Severe Thunderstorm Warning	ILX	Clark, Coles, Cumberland, Edgar	31 min
May 30, 4:50 PM CDT	Special Weather Statement	PAH	Wabash	10 min
May 30, 4:58 PM CDT	Severe Thunderstorm Warning	ILX	Lawrence	32 min
May 30, 5:13 PM CDT	Special Weather Statement	ILX	Champaign	32 min
May 30, 5:14 PM CDT	Severe Thunderstorm Warning	ILX	Edgar	46 min
May 30, 5:59 PM CDT	Flood Watch	LOT	Iroquois	16 hr
May 30, 6:23 PM CDT	Mesoscale Discussion	SPC	Clark, Coles, Crawford, Cumberland, Douglas, Edgar and 6 more	67 min
May 30, 11:05 PM CDT	Areal Flood Warning	ILX	Effingham	12 hr
May 31, 12:14 AM CDT	Areal Flood Advisory	LOT	Iroquois, Kankakee	9 hr
May 31, 2:54 AM CDT	Small Craft Advisory	LOT		31 hr
May 31, 9:45 AM CDT	River Flood Warning	LOT	Iroquois	3 days
May 31, 9:45 AM CDT	River Flood Warning	LOT	Iroquois	48 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	30
Tornado Warning	2
Severe Thunderstorm Watch	1
Tornado Watch	2
Mesoscale Discussion	17
Special Weather Statement	56
Flooding
Areal Flood Warning	2
Flash Flood Warning	2
River Flood Warning	7
Flash Flood Watch	1
Flood Watch	1
River Flood Watch	2
Areal Flood Advisory	6
River Flood Advisory	9
Wind and dust
Lake Wind Advisory	5
Fog and smoke
Dense Fog Advisory	3
Coast and beach
Lakeshore Flood Advisory	1
Beach Hazards Statement	1
Marine
Gale Warning	2
Special Marine Warning	4
Marine Dense Fog Advisory	7
Small Craft Advisory	11

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 2014 2016

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.