Alert archive / Illinois / DeKalb County

Weather alerts in DeKalb County, Illinois, 2018

138 weather alerts in 2018, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.

DeKalb County and its neighbors

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

Alerts: 138
Warnings: 20
Watches: 21
Advisories: 57
Busiest month: May21 alerts
Busiest day: May 2, 20186 alerts

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	Lasted
Jan 1, 2:10 PM CST	Wind Chill Warning	LOT	22 hr
Jan 3, 2:57 AM CST	Wind Chill Advisory	LOT	33 hr
Jan 4, 2:48 PM CST	Wind Chill Advisory	LOT	19 hr
Jan 5, 2:46 PM CST	Wind Chill Advisory	LOT	19 hr
Jan 7, 2:53 AM CST	Winter Weather Advisory	LOT	27 hr
Jan 7, 1:49 PM CST	Mesoscale Discussion	SPC	4 hr
Jan 7, 2:00 PM CST	Mesoscale Discussion	SPC	4 hr
Jan 7, 6:16 PM CST	Mesoscale Discussion	SPC	6 hr
Jan 8, 9:53 PM CST	Dense Fog Advisory	LOT	14 hr
Jan 10, 8:56 AM CST	Dense Fog Advisory	LOT	10 hr
Jan 11, 3:58 AM CST	Winter Weather Advisory	LOT	32 hr
Jan 14, 1:45 PM CST	Winter Weather Advisory	LOT	25 hr
Jan 21, 3:52 AM CST	Dense Fog Advisory	LOT	26 hr
Jan 22, 4:14 AM CST	Areal Flood Advisory	LOT	5 hr
Jan 24, 4:49 AM CST	Winter Weather Advisory	LOT	7 hr
Feb 4, 2:44 PM CST	Winter Weather Advisory	LOT	33 hr
Feb 7, 3:32 AM CST	Winter Storm Watch	LOT	23 hr
Feb 8, 2:54 AM CST	Winter Storm Warning	LOT	42 hr
Feb 8, 9:07 PM CST	Mesoscale Discussion	SPC	6 hr
Feb 9, 3:08 AM CST	Mesoscale Discussion	SPC	6 hr
Feb 10, 2:37 PM CST	Winter Weather Advisory	LOT	21 hr
Feb 14, 5:14 PM CST	Dense Fog Advisory	LOT	25 hr
Feb 18, 3:36 AM CST	Dense Fog Advisory	LOT	6 hr
Feb 18, 8:00 PM CST	Flood Watch	LOT	55 hr
Feb 19, 8:24 PM CST	Dense Fog Advisory	LOT	5 hr
Feb 19, 10:44 PM CST	Areal Flood Warning	LOT	12 hr
Feb 20, 3:51 AM CST	River Flood Advisory	LOT	36 hr
Feb 20, 10:45 AM CST	Areal Flood Warning	LOT	24 hr
Feb 20, 3:31 PM CST	Winter Weather Advisory	LOT	15 hr
Mar 4, 3:07 PM CST	Winter Weather Advisory	LOT	33 hr
Mar 16, 3:07 AM CDT	Winter Weather Advisory	LOT	29 hr
Mar 17, 3:59 AM CDT	Mesoscale Discussion	SPC	4 hr
Mar 22, 4:00 AM CDT	Winter Storm Watch	LOT	34 hr
Mar 23, 1:53 PM CDT	Winter Weather Advisory	LOT	29 hr
Mar 31, 5:38 AM CDT	Wind Advisory	LOT	11 hr
Apr 13, 2:41 PM CDT	Wind Advisory	LOT	28 hr
Apr 29, 8:55 PM CDT	Red Flag Warning	LOT	23 hr
Apr 30, 4:35 PM CDT	Red Flag Warning	LOT	26 hr
May 2, 1:33 PM CDT	Mesoscale Discussion	SPC	117 min
May 2, 3:56 PM CDT	Severe Thunderstorm Watch	SPC	9 hr
May 2, 5:57 PM CDT	Severe Thunderstorm Warning	LOT	48 min
May 2, 6:20 PM CDT	Severe Thunderstorm Warning	LOT	40 min
May 2, 6:28 PM CDT	Severe Thunderstorm Warning	LOT	47 min
May 2, 6:34 PM CDT	Severe Thunderstorm Warning	LOT	41 min
May 2, 7:21 PM CDT	Mesoscale Discussion	SPC	84 min
May 2, 8:51 PM CDT	Flash Flood Watch	LOT	11 hr
May 2, 10:01 PM CDT	Mesoscale Discussion	SPC	89 min
May 2, 10:51 PM CDT	Severe Thunderstorm Watch	SPC	4 hr
May 2, 11:57 PM CDT	Areal Flood Advisory	LOT	3 hr
May 3, 1:57 AM CDT	Mesoscale Discussion	SPC	93 min
May 9, 3:50 PM CDT	Mesoscale Discussion	SPC	85 min
May 12, 12:34 PM CDT	Flash Flood Watch	LOT	15 hr
May 14, 2:40 AM CDT	Mesoscale Discussion	SPC	2 hr
May 14, 2:54 PM CDT	Severe Thunderstorm Watch	SPC	6 hr
May 14, 3:50 PM CDT	Special Weather Statement	LOT	25 min
May 14, 4:23 PM CDT	Severe Thunderstorm Warning	LOT	52 min
May 14, 8:54 PM CDT	Severe Thunderstorm Warning	LOT	51 min
May 21, 9:52 PM CDT	Dense Fog Advisory	LOT	12 hr
May 30, 3:39 PM CDT	Areal Flood Warning	LOT	15 hr
Jun 9, 6:30 PM CDT	Mesoscale Discussion	SPC	2 hr
Jun 10, 1:56 AM CDT	Special Weather Statement	LOT	19 min
Jun 10, 2:35 AM CDT	Areal Flood Advisory	LOT	3 hr
Jun 15, 5:50 AM CDT	Special Weather Statement	LOT	40 min
Jun 16, 9:21 AM CDT	Heat Advisory	LOT	58 hr
Jun 21, 3:28 AM CDT	Flash Flood Watch	LOT	34 hr
Jun 21, 10:57 AM CDT	Areal Flood Advisory	LOT	4 hr
Jun 21, 6:19 PM CDT	Areal Flood Advisory	LOT	3 hr
Jun 22, 1:04 AM CDT	Areal Flood Advisory	LOT	6 hr
Jun 22, 9:21 AM CDT	Areal Flood Advisory	LOT	3 hr
Jun 26, 2:46 AM CDT	Flash Flood Watch	LOT	22 hr
Jun 26, 1:31 PM CDT	Mesoscale Discussion	SPC	89 min
Jun 26, 1:44 PM CDT	Special Weather Statement	LOT	61 min
Jun 26, 2:49 PM CDT	Special Weather Statement	LOT	56 min
Jun 26, 3:46 PM CDT	Special Weather Statement	LOT	59 min
Jun 26, 4:31 PM CDT	Areal Flood Advisory	LOT	3 hr
Jun 27, 3:09 PM CDT	Excessive Heat Watch	LOT	36 hr
Jun 28, 2:44 PM CDT	Excessive Heat Warning	LOT	3 days
Jul 1, 12:23 PM CDT	Mesoscale Discussion	SPC	97 min
Jul 1, 12:58 PM CDT	Severe Thunderstorm Watch	SPC	7 hr
Jul 1, 2:59 PM CDT	Special Weather Statement	LOT	61 min
Jul 1, 3:37 PM CDT	Special Weather Statement	LOT	53 min
Jul 1, 3:37 PM CDT	Mesoscale Discussion	SPC	83 min
Jul 3, 2:38 PM CDT	Heat Advisory	LOT	49 hr
Jul 13, 9:49 PM CDT	Special Weather Statement	LOT	26 min
Aug 5, 7:58 PM CDT	Severe Thunderstorm Watch	SPC	83 min
Aug 5, 8:15 PM CDT	Special Weather Statement	LOT	30 min
Aug 7, 3:04 PM CDT	Areal Flood Advisory	LOT	3 hr
Aug 9, 2:55 PM CDT	Mesoscale Discussion	SPC	65 min
Aug 10, 3:10 AM CDT	Dense Fog Advisory	LOT	6 hr
Aug 16, 3:17 AM CDT	Dense Fog Advisory	LOT	6 hr
Aug 19, 4:21 AM CDT	Dense Fog Advisory	LOT	5 hr
Aug 20, 4:46 PM CDT	Mesoscale Discussion	SPC	119 min
Aug 26, 3:07 AM CDT	Dense Fog Advisory	LOT	6 hr
Aug 26, 2:56 PM CDT	Heat Advisory	LOT	28 hr
Aug 28, 3:42 PM CDT	Mesoscale Discussion	SPC	93 min
Aug 28, 7:05 PM CDT	Mesoscale Discussion	SPC	55 min
Aug 28, 7:37 PM CDT	Severe Thunderstorm Watch	SPC	4 hr
Aug 28, 8:04 PM CDT	Flash Flood Watch	LOT	8 hr
Aug 28, 8:39 PM CDT	Special Weather Statement	LOT	66 min
Sep 1, 3:07 PM CDT	Flash Flood Watch	LOT	13 hr
Sep 1, 9:26 PM CDT	Special Weather Statement	LOT	34 min
Sep 1, 10:21 PM CDT	Areal Flood Advisory	LOT	6 hr
Sep 2, 12:34 AM CDT	Areal Flood Advisory	LOT	3 hr
Sep 2, 7:02 PM CDT	Areal Flood Advisory	LOT	6 hr
Sep 3, 1:00 AM CDT	Areal Flood Advisory	LOT	10 hr
Sep 3, 12:58 PM CDT	Flash Flood Watch	LOT	11 hr
Sep 3, 1:20 PM CDT	Mesoscale Discussion	SPC	2 hr
Sep 3, 2:11 PM CDT	Special Weather Statement	LOT	34 min
Sep 11, 4:36 AM CDT	Dense Fog Advisory	LOT	4 hr
Sep 20, 3:16 PM CDT	Mesoscale Discussion	SPC	89 min
Sep 25, 1:36 PM CDT	Severe Thunderstorm Watch	SPC	8 hr
Sep 25, 3:39 PM CDT	Mesoscale Discussion	SPC	96 min
Sep 25, 4:01 PM CDT	Severe Thunderstorm Warning	LOT	59 min
Sep 28, 3:31 AM CDT	Frost Advisory	LOT	7 hr
Sep 28, 3:31 AM CDT	Frost Advisory	LOT	28 hr
Oct 4, 3:16 PM CDT	Flash Flood Watch	LOT	42 hr
Oct 5, 8:41 PM CDT	Special Weather Statement	LOT	34 min
Oct 7, 2:40 PM CDT	Flash Flood Watch	LOT	13 hr
Oct 9, 2:45 PM CDT	Mesoscale Discussion	SPC	2 hr
Oct 11, 3:23 AM CDT	Freeze Warning	LOT	28 hr
Oct 12, 2:37 PM CDT	Freeze Warning	LOT	18 hr
Oct 15, 1:14 PM CDT	Freeze Warning	LOT	19 hr
Oct 20, 9:47 AM CDT	Wind Advisory	LOT	8 hr
Oct 27, 2:36 PM CDT	Wind Advisory	LOT	27 hr
Nov 23, 2:16 PM CST	Winter Storm Watch	LOT	23 hr
Nov 24, 1:44 PM CST	Winter Storm Warning	LOT	43 hr
Nov 25, 11:37 AM CST	Blizzard Warning	LOT	18 hr
Nov 25, 11:54 AM CST	Mesoscale Discussion	SPC	6 hr
Nov 25, 6:54 PM CST	Mesoscale Discussion	SPC	6 hr
Nov 30, 3:35 AM CST	Dense Fog Advisory	LOT	6 hr
Dec 2, 3:27 AM CST	Dense Fog Advisory	LOT	4 hr
Dec 9, 9:45 PM CST	Dense Fog Advisory	LOT	16 hr
Dec 11, 1:12 PM CST	Winter Weather Advisory	LOT	14 hr
Dec 14, 4:10 PM CST	Dense Fog Advisory	LOT	18 hr
Dec 16, 12:54 AM CST	Dense Fog Advisory	LOT	9 hr
Dec 20, 9:34 AM CST	Dense Fog Advisory	LOT	8 hr
Dec 28, 4:07 PM CST	Winter Weather Advisory	LOT	8 hr
Dec 30, 2:21 PM CST	Winter Weather Advisory	LOT	18 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	7
Severe Thunderstorm Watch	7
Mesoscale Discussion	26
Special Weather Statement	14
Flooding
Areal Flood Warning	3
Flash Flood Watch	9
Flood Watch	1
Areal Flood Advisory	13
River Flood Advisory	1
Winter
Blizzard Warning	1
Winter Storm Warning	2
Winter Storm Watch	3
Winter Weather Advisory	13
Heat
Excessive Heat Warning	1
Excessive Heat Watch	1
Heat Advisory	3
Cold
Freeze Warning	3
Wind Chill Warning	1
Frost Advisory	2
Wind Chill Advisory	3
Wind and dust
Wind Advisory	4
Fire
Red Flag Warning	2
Fog and smoke
Dense Fog Advisory	18

The busiest days

Days with the most alerts issued, by UTC date.

Nearby

Alerts in force now Tornadoes on record Forecast 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.