Weather alerts in Illinois, October 2018

177 weather alerts in October 2018, 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 October 2018. Tap one for its archive.

Alerts: 177
Warnings: 76
Watches: 18
Advisories: 46
Busiest day: October 6, 201828 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
Oct 1, 11:05 AM CDT	River Flood Warning	MKX	Lake	14 days
Oct 1, 2:18 PM CDT	River Flood Warning	LOT	Winnebago	28 days
Oct 1, 2:18 PM CDT	River Flood Warning	LOT	Winnebago	22 days
Oct 1, 2:18 PM CDT	River Flood Warning	LOT	Winnebago	23 days
Oct 1, 2:33 PM CDT	River Flood Advisory	LOT	Ogle	4 days
Oct 1, 2:33 PM CDT	River Flood Advisory	LOT	Lee	4 days
Oct 1, 3:23 PM CDT	River Flood Warning	DVN	Stephenson	25 days
Oct 1, 3:23 PM CDT	River Flood Warning	DVN	Henry, Rock Island, Whiteside	29 days
Oct 1, 7:41 PM CDT	Special Weather Statement	LOT	Boone, Winnebago	34 min
Oct 1, 8:03 PM CDT	Special Weather Statement	LOT	Ogle	57 min
Oct 1, 8:06 PM CDT	Special Weather Statement	LOT	McHenry	54 min
Oct 1, 8:51 PM CDT	Special Weather Statement	LOT	Lake	24 min
Oct 1, 10:23 PM CDT	River Flood Warning	DVN	Rock Island	26 days
Oct 1, 10:23 PM CDT	River Flood Warning	DVN	Mercer, Rock Island	28 days
Oct 2, 2:54 PM CDT	Small Craft Advisory	LOT		3 days
Oct 3, 8:41 AM CDT	River Flood Advisory	LOT	Kane, McHenry	50 hr
Oct 3, 8:41 AM CDT	River Flood Advisory	LOT	Kane, Kendall	50 hr
Oct 3, 11:07 AM CDT	River Flood Warning	DVN	Rock Island, Whiteside	3 days
Oct 3, 11:07 AM CDT	River Flood Warning	DVN	Rock Island	24 days
Oct 3, 5:13 PM CDT	Mesoscale Discussion	SPC	Jo Daviess	2 hr
Oct 3, 9:40 PM CDT	Severe Thunderstorm Warning	DVN	Jo Daviess	50 min
Oct 3, 10:18 PM CDT	Special Weather Statement	DVN	Carroll, Rock Island, Whiteside	72 min
Oct 3, 10:28 PM CDT	Special Weather Statement	DVN	Jo Daviess, Stephenson	47 min
Oct 3, 11:11 PM CDT	Special Weather Statement	LOT	Boone, Ogle, Winnebago	34 min
Oct 3, 11:35 PM CDT	Special Weather Statement	DVN	Bureau, Henry, Whiteside	25 min
Oct 4, 12:00 AM CDT	Special Weather Statement	DVN	Bureau, Putnam	45 min
Oct 4, 10:10 AM CDT	River Flood Warning	DVN	Henry, Rock Island	20 days
Oct 4, 11:14 AM CDT	River Flood Warning	DVN	Hancock	23 days
Oct 4, 12:48 PM CDT	River Flood Warning	LSX	Adams	26 days
Oct 4, 1:18 PM CDT	Flash Flood Watch	DVN	Bureau, Carroll, Henry, Jo Daviess, Mercer, Putnam and 3 more	48 hr
Oct 4, 3:16 PM CDT	Flash Flood Watch	LOT	Boone, DeKalb, DuPage, Kane, Kendall, Lake and 5 more	42 hr
Oct 5, 10:33 AM CDT	River Flood Warning	LOT	Kane, McHenry	13 days
Oct 5, 10:38 AM CDT	River Flood Watch	LOT	Lake	6 days
Oct 5, 10:38 AM CDT	River Flood Watch	LOT	Lake	6 days
Oct 5, 10:38 AM CDT	River Flood Watch	LOT	Kane, Kendall	10 hr
Oct 5, 11:00 AM CDT	River Flood Warning	LOT	Ogle	11 days
Oct 5, 11:02 AM CDT	River Flood Warning	DVN	Whiteside	9 days
Oct 5, 11:02 AM CDT	River Flood Watch	LOT	Lee	6 days
Oct 5, 11:03 AM CDT	River Flood Watch	LOT	Boone	48 hr
Oct 5, 11:03 AM CDT	River Flood Watch	LOT	Winnebago	52 hr
Oct 5, 12:18 PM CDT	River Flood Warning	LSX	Jersey	29 days
Oct 5, 7:28 PM CDT	Special Weather Statement	LOT	Lee	32 min
Oct 5, 7:47 PM CDT	Special Weather Statement	LOT	Kendall	43 min
Oct 5, 8:10 PM CDT	Special Weather Statement	LOT	Lee	35 min
Oct 5, 8:41 PM CDT	Special Weather Statement	LOT	DeKalb	34 min
Oct 5, 9:01 PM CDT	River Flood Warning	LOT	Kane, Kendall	10 days
Oct 5, 9:11 PM CDT	River Flood Advisory	LOT	Cook	7 days
Oct 5, 9:11 PM CDT	River Flood Advisory	LOT	Will	23 hr
Oct 6, 3:03 AM CDT	Flash Flood Warning	DVN	Carroll, Jo Daviess, Stephenson	6 hr
Oct 6, 3:07 AM CDT	Areal Flood Advisory	LOT	Boone, Ogle, Winnebago	3 hr
Oct 6, 5:01 AM CDT	Special Weather Statement	LOT	LaSalle	29 min
Oct 6, 9:00 AM CDT	Areal Flood Warning	DVN	Stephenson	12 hr
Oct 6, 9:24 AM CDT	River Flood Warning	LOT	Lee	5 days
Oct 6, 9:24 AM CDT	River Flood Warning	LOT	Lake	9 days
Oct 6, 9:24 AM CDT	River Flood Warning	LOT	Lake	9 days
Oct 6, 9:42 AM CDT	River Flood Advisory	LOT	Lake	7 days
Oct 6, 11:09 AM CDT	Special Weather Statement	ILX	Peoria, Tazewell	36 min
Oct 6, 11:46 AM CDT	River Flood Warning	LSX	Adams	19 days
Oct 6, 12:06 PM CDT	Special Weather Statement	ILX	Logan	24 min
Oct 6, 12:19 PM CDT	Special Weather Statement	LOT	Ford, Iroquois, Kankakee, Livingston	56 min
Oct 6, 12:29 PM CDT	Severe Thunderstorm Warning	ILX	DeWitt, McLean	31 min
Oct 6, 12:39 PM CDT	Mesoscale Discussion	SPC	Bond, Champaign, Christian, Clark, Clay, Clinton and 24 more	2 hr
Oct 6, 12:54 PM CDT	Special Weather Statement	ILX	Champaign, DeWitt, McLean, Macon, Piatt, Vermilion	51 min
Oct 6, 1:08 PM CDT	Severe Thunderstorm Warning	LOT	Iroquois, Kankakee	22 min
Oct 6, 1:27 PM CDT	Severe Thunderstorm Warning	ILX	Champaign, Vermilion	48 min
Oct 6, 1:31 PM CDT	Severe Thunderstorm Watch	SPC	Champaign, Douglas, Edgar, Ford, Iroquois, Vermilion	5 hr
Oct 6, 1:38 PM CDT	Special Weather Statement	LOT	Iroquois	52 min
Oct 6, 1:51 PM CDT	Special Weather Statement	ILX	Vermilion	24 min
Oct 6, 3:00 PM CDT	Small Craft Advisory	LOT		36 hr
Oct 7, 5:33 AM CDT	Dense Fog Advisory	LSX	Madison, Monroe, Saint Clair	3 hr
Oct 7, 11:01 AM CDT	River Flood Warning	LOT	Boone	30 hr
Oct 7, 1:33 PM CDT	Mesoscale Discussion	SPC	Bond, Calhoun, Christian, Greene, Jersey, Macoupin and 4 more	2 hr
Oct 7, 2:40 PM CDT	Flash Flood Watch	LOT	Boone, DeKalb, LaSalle, Lee, Ogle, Winnebago	13 hr
Oct 7, 2:44 PM CDT	Flash Flood Watch	DVN	Bureau, Carroll, Hancock, Henderson, Henry, Jo Daviess and 7 more	70 hr
Oct 7, 2:44 PM CDT	River Flood Warning	LOT	Winnebago	34 hr
Oct 7, 3:04 PM CDT	Flash Flood Watch	ILX	Fulton, Knox, Marshall, Mason, Peoria, Schuyler and 3 more	12 hr
Oct 7, 3:15 PM CDT	Severe Thunderstorm Warning	LSX	Calhoun	26 min
Oct 7, 3:32 PM CDT	Special Weather Statement	ILX	Sangamon	28 min
Oct 7, 4:11 PM CDT	Special Weather Statement	ILX	Cass, DeWitt, Logan, McLean, Mason, Menard and 3 more	64 min
Oct 7, 4:45 PM CDT	Special Weather Statement	ILX	McLean	45 min
Oct 7, 5:04 PM CDT	Tornado Warning	ILX	DeWitt, McLean, Piatt	26 min
Oct 7, 5:11 PM CDT	Severe Thunderstorm Warning	ILX	Morgan, Sangamon	34 min
Oct 7, 5:28 PM CDT	Severe Thunderstorm Warning	ILX	Champaign, McLean	47 min
Oct 7, 5:33 PM CDT	Severe Thunderstorm Warning	LOT	Ford	42 min
Oct 7, 5:37 PM CDT	Tornado Warning	ILX	Champaign	23 min
Oct 7, 5:59 PM CDT	Tornado Warning	ILX	Champaign	18 min
Oct 7, 6:12 PM CDT	Severe Thunderstorm Warning	LOT	Ford, Iroquois	26 min
Oct 7, 6:23 PM CDT	Special Weather Statement	ILX	DeWitt	37 min
Oct 7, 7:22 PM CDT	Special Weather Statement	LOT	Iroquois	23 min
Oct 7, 7:28 PM CDT	Areal Flood Advisory	ILX	DeWitt, Logan, McLean, Macon, Mason, Menard and 2 more	4 hr
Oct 7, 7:45 PM CDT	Special Weather Statement	ILX	DeWitt	30 min
Oct 7, 8:26 PM CDT	River Flood Warning	DVN	Hancock, McDonough	24 hr
Oct 7, 9:16 PM CDT	River Flood Watch	DVN	Rock Island, Whiteside	15 hr
Oct 7, 9:39 PM CDT	River Flood Warning	LSX	Calhoun, Greene, Jersey	21 days
Oct 8, 12:20 AM CDT	Special Weather Statement	DVN	McDonough	85 min
Oct 8, 7:28 AM CDT	Marine Dense Fog Advisory	LOT		2 hr
Oct 8, 11:49 AM CDT	River Flood Warning	DVN	Carroll, Whiteside	5 days
Oct 8, 11:49 AM CDT	River Flood Warning	DVN	Rock Island, Whiteside	17 days
Oct 8, 11:49 AM CDT	River Flood Warning	DVN	Rock Island	6 days
Oct 8, 12:20 PM CDT	River Flood Warning	LSX	Madison	18 days
Oct 8, 12:20 PM CDT	River Flood Warning	LSX	Saint Clair	13 days
Oct 8, 12:20 PM CDT	River Flood Warning	LSX	Jackson, Randolph	21 days
Oct 8, 3:18 PM CDT	Special Weather Statement	DVN	Henderson	87 min
Oct 9, 3:42 AM CDT	Flash Flood Watch	DVN	Bureau, Carroll, Hancock, Henderson, Henry, Jo Daviess and 7 more	33 hr
Oct 9, 11:28 AM CDT	River Flood Warning	PAH	Alexander, Jackson, Union	18 days
Oct 9, 11:28 AM CDT	River Flood Warning	PAH	Alexander	15 days
Oct 9, 12:45 PM CDT	River Flood Warning	DVN	Jo Daviess	6 days
Oct 9, 1:31 PM CDT	River Flood Warning	DVN	Jo Daviess	16 days
Oct 9, 2:45 PM CDT	Mesoscale Discussion	SPC	Boone, Carroll, DeKalb, Henry, Jo Daviess, Kane and 7 more	2 hr
Oct 9, 3:11 PM CDT	Gale Watch	LOT		24 hr
Oct 9, 3:11 PM CDT	Small Craft Advisory	LOT		67 hr
Oct 9, 4:53 PM CDT	Special Weather Statement	LOT	McHenry	22 min
Oct 10, 12:08 AM CDT	Special Weather Statement	DVN	Hancock, Henderson	67 min
Oct 10, 1:25 AM CDT	Special Weather Statement	DVN	Mercer, Rock Island	65 min
Oct 10, 6:48 AM CDT	Flash Flood Warning	DVN	Carroll, Jo Daviess, Rock Island	6 hr
Oct 10, 6:51 AM CDT	Flash Flood Warning	DVN	Hancock, Henderson, Mercer	2 hr
Oct 10, 8:00 AM CDT	Flash Flood Warning	DVN	McDonough	89 min
Oct 10, 9:05 AM CDT	Flash Flood Warning	DVN	Carroll, Jo Daviess, Stephenson	3 hr
Oct 10, 9:12 AM CDT	Special Weather Statement	DVN	Bureau, Henry, Whiteside	2 hr
Oct 10, 2:55 PM CDT	Gale Warning	LOT		19 hr
Oct 10, 8:57 PM CDT	River Flood Warning	DVN	Hancock, McDonough	58 hr
Oct 10, 9:37 PM CDT	River Flood Advisory	LOT	Boone	12 hr
Oct 11, 3:23 AM CDT	Frost Advisory	LOT	DuPage, Ford, Grundy, Iroquois, Kankakee, Kendall and 3 more	28 hr
Oct 11, 3:23 AM CDT	Freeze Warning	LOT	Boone, DeKalb, Kane, Lee, McHenry, Ogle and 1 more	28 hr
Oct 11, 3:40 AM CDT	Frost Advisory	DVN	Bureau, Hancock, Henderson, Henry, McDonough, Mercer and 3 more	28 hr
Oct 11, 3:40 AM CDT	Freeze Warning	DVN	Carroll, Jo Daviess, Stephenson, Whiteside	28 hr
Oct 11, 3:41 AM CDT	Frost Advisory	ILX	Cass, Champaign, DeWitt, Fulton, Knox, Logan and 11 more	28 hr
Oct 11, 9:11 AM CDT	River Flood Warning	IND	Clark, Crawford	58 hr
Oct 11, 9:11 AM CDT	River Flood Warning	IND	Crawford, Lawrence	3 days
Oct 11, 9:11 AM CDT	River Flood Warning	IND	Crawford, Lawrence	3 days
Oct 12, 2:37 PM CDT	Frost Advisory	LOT	DuPage, Ford, Grundy, Iroquois, Kankakee, LaSalle and 1 more	18 hr
Oct 12, 2:37 PM CDT	Freeze Warning	LOT	Boone, DeKalb, Kane, Kendall, Lake, Lee and 3 more	18 hr
Oct 12, 2:42 PM CDT	Frost Advisory	DVN	Bureau, Henry, Putnam, Rock Island	18 hr
Oct 12, 2:42 PM CDT	Freeze Warning	DVN	Carroll, Jo Daviess, Stephenson, Whiteside	18 hr
Oct 13, 6:52 AM CDT	Dense Fog Advisory	DVN	Henry, Rock Island, Whiteside	2 hr
Oct 14, 9:37 AM CDT	Small Craft Advisory	LOT		4 days
Oct 14, 3:21 PM CDT	Freeze Warning	DVN	Carroll, Jo Daviess, Rock Island, Stephenson	18 hr
Oct 15, 3:14 AM CDT	Freeze Warning	DVN	Bureau, Carroll, Hancock, Henderson, Henry, Jo Daviess and 7 more	30 hr
Oct 15, 3:20 AM CDT	Frost Advisory	ILX	Clark, Clay, Crawford, Cumberland, Effingham, Jasper and 2 more	29 hr
Oct 15, 3:20 AM CDT	Freeze Watch	ILX	Cass, Champaign, Christian, Coles, DeWitt, Douglas and 21 more	12 hr
Oct 15, 4:02 AM CDT	Frost Advisory	LSX	Adams, Bond, Brown, Calhoun, Clinton, Fayette and 11 more	29 hr
Oct 15, 1:14 PM CDT	Freeze Warning	LOT	Boone, DeKalb, DuPage, Ford, Grundy, Iroquois and 10 more	19 hr
Oct 15, 1:43 PM CDT	Frost Advisory	PAH	Edwards, Franklin, Hamilton, Jackson, Jefferson, Perry and 3 more	18 hr
Oct 15, 2:02 PM CDT	Freeze Warning	LSX	Adams, Brown, Calhoun, Greene, Jersey, Macoupin and 2 more	19 hr
Oct 15, 2:54 PM CDT	Freeze Warning	ILX	Cass, Champaign, Christian, Coles, DeWitt, Douglas and 21 more	17 hr
Oct 17, 2:50 AM CDT	Frost Advisory	ILX	Clark, Clay, Crawford, Cumberland, Effingham, Jasper and 2 more	29 hr
Oct 17, 3:17 AM CDT	Frost Advisory	PAH	Edwards, Franklin, Gallatin, Hamilton, Hardin, Jackson and 10 more	29 hr
Oct 17, 3:37 AM CDT	Frost Advisory	LSX	Randolph	28 hr
Oct 17, 10:38 AM CDT	River Flood Warning	DVN	Jo Daviess	6 days
Oct 18, 2:43 PM CDT	Gale Watch	LOT		31 hr
Oct 18, 2:43 PM CDT	Small Craft Advisory	LOT		42 hr
Oct 19, 7:36 PM CDT	Wind Advisory	DVN	Bureau, Carroll, Hancock, Henderson, Henry, Jo Daviess and 7 more	20 hr
Oct 19, 9:39 PM CDT	Gale Warning	LOT		27 hr
Oct 20, 3:02 AM CDT	Freeze Warning	ILX	Clay, Crawford, Effingham, Jasper, Lawrence, Richland	30 hr
Oct 20, 3:18 AM CDT	Freeze Warning	LSX	Bond, Clinton, Fayette, Madison, Marion, Monroe and 3 more	29 hr
Oct 20, 3:24 AM CDT	Freeze Warning	PAH	Alexander, Edwards, Franklin, Gallatin, Hamilton, Hardin and 13 more	30 hr
Oct 20, 9:36 AM CDT	Wind Advisory	ILX	Cass, Champaign, Christian, Clark, Clay, Coles and 29 more	8 hr
Oct 20, 9:47 AM CDT	Wind Advisory	LOT	Boone, DeKalb, DuPage, Ford, Grundy, Iroquois and 10 more	8 hr
Oct 20, 10:01 AM CDT	Wind Advisory	LSX	Adams, Bond, Brown, Fayette, Greene, Macoupin and 3 more	8 hr
Oct 20, 10:29 AM CDT	Wind Advisory	PAH	Edwards, Wabash, Wayne	10 hr
Oct 20, 9:38 PM CDT	Small Craft Advisory	LOT		15 hr
Oct 21, 11:08 AM CDT	River Flood Warning	DVN	Rock Island	3 days
Oct 21, 2:46 PM CDT	Frost Advisory	PAH	Alexander, Gallatin, Hardin, Johnson, Massac, Pope and 2 more	17 hr
Oct 22, 3:44 AM CDT	Small Craft Advisory	LOT		48 hr
Oct 27, 2:31 PM CDT	Wind Advisory	DVN	Bureau, Carroll, Hancock, Henderson, Henry, Jo Daviess and 7 more	26 hr
Oct 27, 2:36 PM CDT	Wind Advisory	LOT	Boone, DeKalb, Ford, Grundy, Iroquois, Kankakee and 6 more	27 hr
Oct 27, 2:43 PM CDT	Wind Advisory	PAH	Edwards, Franklin, Gallatin, Hamilton, Hardin, Jackson and 7 more	27 hr
Oct 27, 2:52 PM CDT	Small Craft Advisory	LOT		37 hr
Oct 27, 3:25 PM CDT	Wind Advisory	LSX	Adams, Bond, Brown, Calhoun, Clinton, Fayette and 11 more	27 hr
Oct 27, 4:17 PM CDT	Wind Advisory	ILX	Cass, Champaign, Christian, Clark, Clay, Coles and 29 more	26 hr
Oct 28, 2:01 PM CDT	Gale Warning	LOT		8 hr
Oct 28, 2:01 PM CDT	Small Craft Advisory	LOT		20 hr
Oct 30, 4:05 AM CDT	Flood Watch	PAH	Alexander, Gallatin, Hardin, Johnson, Massac, Pope and 3 more	56 hr
Oct 30, 2:55 PM CDT	Special Weather Statement	DVN	Carroll, Stephenson	65 min
Oct 30, 3:22 PM CDT	Small Craft Advisory	LOT		29 hr
Oct 31, 12:19 AM CDT	River Flood Advisory	LOT	Ogle	32 hr
Oct 31, 5:04 PM CDT	Areal Flood Warning	PAH	Hardin, Massac, Pope	17 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	9
Tornado Warning	3
Severe Thunderstorm Watch	1
Mesoscale Discussion	4
Special Weather Statement	33
Flooding
Areal Flood Warning	2
Flash Flood Warning	5
River Flood Warning	42
Flash Flood Watch	6
Flood Watch	1
River Flood Watch	7
Areal Flood Advisory	2
River Flood Advisory	9
Cold
Freeze Warning	12
Freeze Watch	1
Frost Advisory	12
Wind and dust
Wind Advisory	10
Fog and smoke
Dense Fog Advisory	2
Marine
Gale Warning	3
Gale Watch	2
Marine Dense Fog Advisory	1
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 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. Warning verification from the Mesonet's Cow. Rebuilt daily.