Alert archive / Illinois / River Flood Advisories

River Flood Advisories in Illinois, 2018

140 river flood advisories in 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 river flood advisories reaches back to 2005.

River Flood Advisories by county

Each county as a circle sized by its count in 2018. Tap one for its archive.

River Flood Advisories: 140
Busiest month: June47 river flood advisories
Busiest day: June 19, 201812 river flood advisories

Over time

By month

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
Jan 4, 8:46 AM CST	River Flood Advisory	LOT	Kankakee	8 days
Jan 22, 8:56 AM CST	River Flood Advisory	LOT	Will	58 hr
Jan 23, 10:31 AM CST	River Flood Advisory	LOT	Winnebago	6 days
Jan 23, 9:17 PM CST	River Flood Advisory	LOT	LaSalle	11 hr
Jan 24, 9:33 AM CST	River Flood Advisory	LOT	LaSalle	63 hr
Jan 24, 9:38 AM CST	River Flood Advisory	LOT	Ogle	56 hr
Jan 26, 4:44 PM CST	River Flood Advisory	LOT	Ogle	3 days
Feb 4, 6:53 PM CST	River Flood Advisory	LOT	Lee	65 hr
Feb 5, 9:04 PM CST	River Flood Advisory	LOT	Ogle	11 days
Feb 19, 10:42 AM CST	River Flood Advisory	LOT	Cook	4 days
Feb 19, 8:31 PM CST	River Flood Advisory	LOT	Cook	36 hr
Feb 19, 10:16 PM CST	River Flood Advisory	LOT	Lee	36 hr
Feb 19, 11:46 PM CST	River Flood Advisory	LOT	Will	36 hr
Feb 20, 3:17 AM CST	River Flood Advisory	LOT	Grundy	36 hr
Feb 20, 3:45 AM CST	River Flood Advisory	LOT	Cook	36 hr
Feb 20, 3:51 AM CST	River Flood Advisory	LOT	DeKalb	36 hr
Feb 20, 6:16 AM CST	River Flood Advisory	LOT	Boone	3 days
Feb 20, 10:00 AM CST	River Flood Advisory	LOT	Winnebago	24 hr
Feb 20, 10:56 AM CST	River Flood Advisory	LOT	Lake	58 hr
Feb 20, 10:56 AM CST	River Flood Advisory	LOT	Cook	67 hr
Feb 21, 12:17 PM CST	River Flood Advisory	LOT	Livingston	18 hr
Feb 28, 10:37 AM CST	River Flood Advisory	LOT	Grundy, Will	4 days
Feb 28, 11:37 AM CST	River Flood Advisory	LOT	Grundy	6 days
Feb 28, 11:42 AM CST	River Flood Advisory	LOT	Lee	6 days
Mar 1, 2:39 PM CST	River Flood Advisory	LOT	Will	15 hr
Mar 1, 2:44 PM CST	River Flood Advisory	LOT	LaSalle	3 days
Mar 1, 2:55 PM CST	River Flood Advisory	LOT	Iroquois	57 hr
Apr 13, 11:07 AM CDT	River Flood Advisory	IND	Wabash	35 hr
Apr 13, 11:07 AM CDT	River Flood Advisory	IND	Wabash	35 hr
Apr 13, 11:07 AM CDT	River Flood Advisory	IND	Crawford, Lawrence	35 hr
Apr 13, 11:07 AM CDT	River Flood Advisory	IND	Crawford, Lawrence	35 hr
Apr 13, 11:07 AM CDT	River Flood Advisory	IND	Lawrence, Wabash	35 hr
Apr 13, 11:07 AM CDT	River Flood Advisory	IND	Edwards, Gallatin, Wabash, White	35 hr
Apr 14, 11:34 AM CDT	River Flood Advisory	LOT	Will	57 hr
May 3, 11:08 AM CDT	River Flood Advisory	LOT	Will	23 hr
May 12, 9:17 AM CDT	River Flood Advisory	LOT	Kane, Kendall, McHenry	8 days
May 12, 9:17 AM CDT	River Flood Advisory	LOT	Kane, Kendall, Will	7 days
May 12, 9:17 AM CDT	River Flood Advisory	LOT	Will	4 days
May 14, 11:42 AM CDT	River Flood Advisory	LOT	Cook	3 days
May 14, 11:42 AM CDT	River Flood Advisory	LOT	Cook	65 hr
May 14, 11:42 AM CDT	River Flood Advisory	LOT	Lake	45 hr
May 14, 10:52 PM CDT	River Flood Advisory	LOT	Lake	23 hr
May 16, 9:31 AM CDT	River Flood Advisory	LOT	Kane, McHenry	4 days
May 21, 10:30 AM CDT	River Flood Advisory	LOT	Lake	45 hr
May 21, 12:18 PM CDT	River Flood Advisory	LOT	Lake, Will	3 hr
May 21, 12:18 PM CDT	River Flood Advisory	LOT	Cook	57 hr
May 21, 12:18 PM CDT	River Flood Advisory	LOT	Cook	67 hr
May 21, 3:17 PM CDT	River Flood Advisory	LOT	LaSalle	19 hr
May 30, 8:00 PM CDT	River Flood Advisory	LOT	Kane, Kendall	17 hr
Jun 9, 10:00 AM CDT	River Flood Advisory	LOT	Cook	13 hr
Jun 10, 9:30 AM CDT	River Flood Advisory	LOT	Kane, Kendall, LaSalle	26 hr
Jun 10, 9:30 AM CDT	River Flood Advisory	LOT	LaSalle, Will	25 hr
Jun 10, 9:30 AM CDT	River Flood Advisory	LOT	Grundy	37 hr
Jun 10, 9:30 AM CDT	River Flood Advisory	LOT	Lake	8 hr
Jun 11, 11:09 AM CDT	River Flood Advisory	LOT	Bureau, LaSalle, Putnam	54 hr
Jun 11, 8:27 PM CDT	River Flood Advisory	LOT	Iroquois	35 hr
Jun 11, 8:51 PM CDT	River Flood Advisory	LOT	Livingston	16 hr
Jun 18, 9:40 PM CDT	River Flood Advisory	LOT	Boone	66 hr
Jun 18, 9:51 PM CDT	River Flood Advisory	LOT	Kane, McHenry	5 hr
Jun 18, 9:53 PM CDT	River Flood Advisory	LOT	Kane, Kendall	7 days
Jun 18, 10:05 PM CDT	River Flood Advisory	LOT	Lake	11 hr
Jun 18, 10:32 PM CDT	River Flood Advisory	LOT	Winnebago	59 hr
Jun 19, 2:16 AM CDT	River Flood Advisory	LOT	Ogle	42 hr
Jun 19, 2:16 AM CDT	River Flood Advisory	LOT	Lee	13 days
Jun 19, 3:05 AM CDT	River Flood Advisory	LOT	Lake	5 days
Jun 19, 3:05 AM CDT	River Flood Advisory	LOT	Cook	17 hr
Jun 19, 9:32 AM CDT	River Flood Advisory	LOT	Will	11 hr
Jun 19, 9:35 AM CDT	River Flood Advisory	LOT	Winnebago	4 days
Jun 19, 9:35 AM CDT	River Flood Advisory	LOT	Winnebago	4 days
Jun 20, 9:49 AM CDT	River Flood Advisory	LOT	Winnebago	6 hr
Jun 20, 8:34 PM CDT	River Flood Advisory	LOT	Will	14 hr
Jun 20, 8:34 PM CDT	River Flood Advisory	LOT	Kane, McHenry	7 days
Jun 20, 8:34 PM CDT	River Flood Advisory	LOT	LaSalle	3 days
Jun 21, 10:20 AM CDT	River Flood Advisory	LOT	Cook	5 days
Jun 21, 10:20 AM CDT	River Flood Advisory	LOT	Cook	63 hr
Jun 21, 10:20 AM CDT	River Flood Advisory	LOT	Will	3 days
Jun 21, 10:20 AM CDT	River Flood Advisory	LOT	Grundy	48 hr
Jun 21, 10:20 AM CDT	River Flood Advisory	LOT	Lake	57 hr
Jun 21, 11:22 AM CDT	River Flood Advisory	LOT	LaSalle	24 hr
Jun 21, 4:07 PM CDT	River Flood Advisory	LOT	Lake	19 hr
Jun 21, 4:07 PM CDT	River Flood Advisory	LOT	Cook	3 days
Jun 21, 9:30 PM CDT	River Flood Advisory	LOT	Cook	14 hr
Jun 21, 9:30 PM CDT	River Flood Advisory	LOT	Will	13 hr
Jun 21, 9:30 PM CDT	River Flood Advisory	LOT	DuPage	33 hr
Jun 21, 10:05 PM CDT	River Flood Advisory	LOT	Grundy	60 hr
Jun 22, 6:41 AM CDT	River Flood Advisory	LOT	Livingston	4 hr
Jun 22, 11:15 AM CDT	River Flood Advisory	LOT	Iroquois	72 hr
Jun 22, 12:24 PM CDT	River Flood Advisory	LOT	Boone	3 days
Jun 22, 8:29 PM CDT	River Flood Advisory	LOT	Will	14 hr
Jun 22, 8:29 PM CDT	River Flood Advisory	LOT	Ogle	4 days
Jun 26, 9:21 PM CDT	River Flood Advisory	LOT	Winnebago	46 hr
Jun 26, 9:21 PM CDT	River Flood Advisory	LOT	Winnebago	13 hr
Jun 26, 9:28 PM CDT	River Flood Advisory	LOT	Boone	5 days
Jun 27, 6:50 AM CDT	River Flood Advisory	LOT	Winnebago	37 hr
Jun 27, 2:09 PM CDT	River Flood Advisory	LOT	LaSalle	36 hr
Jun 28, 7:43 AM CDT	River Flood Advisory	LOT	Ogle	4 days
Aug 25, 7:38 PM CDT	River Flood Advisory	LOT	Will, Winnebago	4 days
Sep 2, 9:53 AM CDT	River Flood Advisory	LOT	Ogle	15 hr
Sep 2, 10:00 AM CDT	River Flood Advisory	LOT	Winnebago	11 hr
Sep 2, 10:07 AM CDT	River Flood Advisory	LOT	Boone	25 hr
Sep 2, 9:22 PM CDT	River Flood Advisory	LOT	Lee	24 hr
Sep 2, 9:22 PM CDT	River Flood Advisory	LOT	Kane, Kendall	5 days
Sep 3, 11:49 AM CDT	River Flood Advisory	LOT	Lake	36 hr
Sep 3, 11:49 AM CDT	River Flood Advisory	LOT	Lake	36 hr
Sep 3, 4:24 PM CDT	River Flood Advisory	LOT	Cook	63 hr
Sep 3, 4:53 PM CDT	River Flood Advisory	LOT	Cook	32 hr
Sep 3, 9:30 PM CDT	River Flood Advisory	LOT	Will	22 hr
Sep 4, 10:23 AM CDT	River Flood Advisory	LOT	Lake	51 hr
Sep 6, 9:47 AM CDT	River Flood Advisory	LOT	Lake	36 hr
Sep 16, 10:32 AM CDT	River Flood Advisory	LOT	Lake	78 min
Sep 20, 1:02 PM CDT	River Flood Advisory	LOT	Winnebago	9 days
Sep 20, 1:02 PM CDT	River Flood Advisory	LOT	Winnebago	7 days
Sep 20, 1:02 PM CDT	River Flood Advisory	LOT	Ogle	7 days
Sep 21, 10:19 AM CDT	River Flood Advisory	LOT	Winnebago	41 hr
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 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 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, 9:42 AM CDT	River Flood Advisory	LOT	Lake	7 days
Oct 10, 9:37 PM CDT	River Flood Advisory	LOT	Boone	12 hr
Oct 31, 12:19 AM CDT	River Flood Advisory	LOT	Ogle	32 hr
Nov 6, 8:54 AM CST	River Flood Advisory	LOT	Winnebago	4 days
Dec 1, 10:58 AM CST	River Flood Advisory	LOT	Will	20 hr
Dec 1, 10:58 AM CST	River Flood Advisory	LOT	Kane, Kendall	36 hr
Dec 1, 10:58 AM CST	River Flood Advisory	LOT	Iroquois	24 hr
Dec 2, 3:41 AM CST	River Flood Advisory	LOT	Lake	5 days
Dec 2, 3:41 AM CST	River Flood Advisory	LOT	Lake	6 days
Dec 2, 3:41 AM CST	River Flood Advisory	LOT	Cook	7 hr
Dec 2, 3:41 AM CST	River Flood Advisory	LOT	Will	39 hr
Dec 2, 6:40 AM CST	River Flood Advisory	LOT	LaSalle	34 hr
Dec 2, 10:12 AM CST	River Flood Advisory	LOT	Boone	10 hr
Dec 2, 10:12 AM CST	River Flood Advisory	LOT	Ogle	3 days
Dec 2, 11:18 AM CST	River Flood Advisory	LOT	LaSalle	3 days
Dec 2, 11:39 AM CST	River Flood Advisory	LOT	Cook	45 hr
Dec 3, 4:41 PM CST	River Flood Advisory	LOT	Lee	22 hr
Dec 3, 7:13 PM CST	River Flood Advisory	LOT	Boone	41 hr
Dec 31, 9:13 AM CST	River Flood Advisory	LOT	Iroquois	25 hr
Dec 31, 11:34 AM CST	River Flood Advisory	LOT	LaSalle	71 hr

By county

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

The busiest days

Days with the most alerts issued, by UTC date.

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.