Weather alerts in Cook County, Minnesota, 2021

105 weather alerts in 2021, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.

Cook County and its neighbors

Each county as a circle sized by its count in 2021. Tap one for its archive.

Alerts: 105
Warnings: 22
Watches: 9
Advisories: 50
Busiest month: December19 alerts
Busiest day: October 10, 20217 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 5, 1:57 PM CST	Dense Fog Advisory	DLH	19 hr
Jan 7, 2:48 PM CST	Dense Fog Advisory	DLH	20 hr
Jan 21, 1:25 PM CST	Wind Chill Advisory	DLH	20 hr
Jan 23, 2:52 AM CST	Winter Weather Advisory	DLH	28 hr
Jan 25, 1:56 PM CST	Wind Chill Advisory	DLH	19 hr
Jan 26, 2:09 PM CST	Wind Chill Advisory	DLH	21 hr
Jan 27, 2:01 PM CST	Wind Chill Advisory	DLH	19 hr
Jan 29, 3:57 PM CST	Winter Weather Advisory	DLH	38 hr
Feb 3, 3:26 PM CST	Winter Weather Advisory	DLH	38 hr
Feb 4, 8:55 PM CST	Wind Chill Advisory	DLH	6 hr
Feb 5, 3:11 AM CST	Wind Chill Advisory	DLH	9 days
Feb 5, 2:48 PM CST	Wind Chill Watch	DLH	12 hr
Feb 6, 2:45 AM CST	Wind Chill Warning	DLH	3 days
Feb 6, 4:05 PM CST	Wind Chill Advisory	DLH	7 days
Feb 9, 3:01 AM CST	Wind Chill Advisory	DLH	5 days
Feb 10, 12:52 AM CST	Wind Chill Warning	DLH	9 hr
Feb 12, 3:20 PM CST	Wind Chill Warning	DLH	18 hr
Feb 12, 3:20 PM CST	Wind Chill Advisory	DLH	27 hr
Feb 13, 3:06 PM CST	Wind Chill Warning	DLH	21 hr
Feb 13, 3:06 PM CST	Wind Chill Advisory	DLH	27 hr
Feb 14, 2:33 PM CST	Wind Chill Warning	DLH	19 hr
Feb 15, 10:03 AM CST	Wind Chill Advisory	DLH	24 hr
Feb 16, 1:59 PM CST	Wind Chill Advisory	DLH	19 hr
Feb 18, 7:23 AM CST	Winter Weather Advisory	DLH	9 hr
Mar 9, 4:04 AM CST	Winter Storm Watch	DLH	24 hr
Mar 10, 3:41 AM CST	Winter Storm Warning	DLH	29 hr
Mar 23, 2:35 PM CDT	Winter Weather Advisory	DLH	28 hr
Mar 26, 3:42 PM CDT	Winter Weather Advisory	DLH	24 hr
Apr 8, 11:55 PM CDT	Dense Fog Advisory	DLH	15 hr
Apr 18, 3:17 PM CDT	Winter Weather Advisory	DLH	19 hr
Apr 19, 10:22 AM CDT	Wind Advisory	DLH	3 hr
Apr 25, 8:24 PM CDT	Winter Weather Advisory	DLH	21 hr
May 22, 1:22 PM CDT	Mesoscale Discussion	SPC	2 hr
May 22, 6:16 PM CDT	Special Weather Statement	DLH	14 min
May 22, 6:31 PM CDT	Special Weather Statement	DLH	29 min
May 22, 7:29 PM CDT	Special Weather Statement	DLH	16 min
May 25, 2:15 PM CDT	Mesoscale Discussion	SPC	2 hr
May 26, 3:45 AM CDT	Frost Advisory	DLH	27 hr
May 27, 4:39 AM CDT	Freeze Warning	DLH	28 hr
May 28, 3:44 PM CDT	Freeze Warning	DLH	17 hr
Jun 3, 2:54 AM CDT	Fire Weather Watch	DLH	25 hr
Jun 4, 3:26 AM CDT	Red Flag Warning	DLH	18 hr
Jun 6, 11:46 AM CDT	Fire Weather Watch	DLH	17 hr
Jun 8, 4:09 AM CDT	Mesoscale Discussion	SPC	2 hr
Jun 11, 6:50 AM CDT	Dense Fog Advisory	DLH	4 hr
Jun 11, 11:09 AM CDT	Special Weather Statement	DLH	21 min
Jun 11, 11:43 AM CDT	Special Weather Statement	DLH	32 min
Jun 11, 1:14 PM CDT	Special Weather Statement	DLH	16 min
Jun 11, 1:31 PM CDT	Special Weather Statement	DLH	29 min
Jun 12, 1:24 PM CDT	Red Flag Warning	DLH	7 hr
Jun 20, 9:21 AM CDT	Wind Advisory	DLH	20 hr
Jun 30, 3:02 PM CDT	Special Weather Statement	DLH	28 min
Jun 30, 3:13 PM CDT	Special Weather Statement	DLH	17 min
Jun 30, 3:26 PM CDT	Severe Thunderstorm Warning	DLH	34 min
Jun 30, 4:00 PM CDT	Special Weather Statement	DLH	30 min
Jun 30, 4:47 PM CDT	Special Weather Statement	DLH	28 min
Jul 4, 6:31 PM CDT	Mesoscale Discussion	SPC	89 min
Jul 23, 4:48 PM CDT	Severe Thunderstorm Watch	SPC	7 hr
Jul 23, 6:28 PM CDT	Severe Thunderstorm Warning	DLH	62 min
Jul 23, 7:30 PM CDT	Severe Thunderstorm Warning	DLH	37 min
Jul 25, 9:16 AM CDT	Red Flag Warning	DLH	9 hr
Aug 5, 7:55 PM CDT	Special Weather Statement	DLH	35 min
Aug 10, 3:38 AM CDT	Dense Fog Advisory	DLH	6 hr
Aug 10, 1:40 PM CDT	Special Weather Statement	DLH	35 min
Aug 15, 9:53 AM CDT	Fire Weather Watch	DLH	10 hr
Sep 17, 3:25 PM CDT	Frost Advisory	DLH	16 hr
Sep 21, 2:32 AM CDT	Wind Advisory	DLH	3 hr
Sep 21, 2:50 AM CDT	Frost Advisory	DLH	29 hr
Sep 22, 2:44 PM CDT	Frost Advisory	DLH	17 hr
Oct 3, 2:54 PM CDT	Dense Fog Advisory	DLH	21 hr
Oct 4, 2:25 PM CDT	Dense Fog Advisory	DLH	22 hr
Oct 5, 3:36 PM CDT	Dense Fog Advisory	DLH	18 hr
Oct 6, 10:02 AM CDT	Dense Fog Advisory	DLH	118 min
Oct 6, 3:23 PM CDT	Dense Fog Advisory	DLH	21 hr
Oct 8, 2:56 PM CDT	Dense Fog Advisory	DLH	22 hr
Oct 9, 4:26 PM CDT	Dense Fog Advisory	DLH	12 hr
Oct 9, 8:23 PM CDT	Special Weather Statement	DLH	37 min
Oct 10, 1:42 PM CDT	Severe Thunderstorm Watch	SPC	7 hr
Oct 10, 4:28 PM CDT	Special Weather Statement	DLH	32 min
Oct 10, 5:28 PM CDT	Severe Thunderstorm Warning	DLH	47 min
Oct 10, 5:36 PM CDT	Tornado Warning	DLH	39 min
Oct 10, 5:40 PM CDT	Special Weather Statement	DLH	35 min
Oct 10, 6:15 PM CDT	Special Weather Statement	DLH	45 min
Oct 10, 7:02 PM CDT	Special Weather Statement	DLH	28 min
Nov 21, 3:44 AM CST	Wind Advisory	DLH	20 hr
Nov 30, 3:01 PM CST	Winter Weather Advisory	DLH	21 hr
Dec 1, 2:59 PM CST	Wind Advisory	DLH	12 hr
Dec 3, 3:24 AM CST	Winter Storm Watch	DLH	24 hr
Dec 4, 3:31 AM CST	Blizzard Warning	DLH	52 hr
Dec 4, 3:31 AM CST	Winter Storm Warning	DLH	55 hr
Dec 5, 11:33 AM CST	Mesoscale Discussion	SPC	3 hr
Dec 6, 12:21 AM CST	Winter Weather Advisory	DLH	16 hr
Dec 6, 4:07 PM CST	Wind Chill Advisory	DLH	16 hr
Dec 8, 4:03 AM CST	Winter Weather Advisory	DLH	39 hr
Dec 15, 3:56 AM CST	Dense Fog Advisory	DLH	16 hr
Dec 15, 3:56 AM CST	High Wind Warning	DLH	32 hr
Dec 15, 3:56 AM CST	Wind Advisory	DLH	29 hr
Dec 15, 3:31 PM CST	Winter Weather Advisory	DLH	20 hr
Dec 20, 2:40 PM CST	Winter Weather Advisory	DLH	24 hr
Dec 25, 3:15 AM CST	Winter Storm Watch	DLH	24 hr
Dec 26, 3:30 AM CST	Winter Storm Warning	DLH	38 hr
Dec 26, 3:42 PM CST	Blizzard Warning	DLH	26 hr
Dec 27, 6:56 AM CST	Mesoscale Discussion	SPC	6 hr
Dec 27, 5:59 PM CST	Winter Storm Warning	DLH	34 hr
Dec 27, 5:59 PM CST	Winter Weather Advisory	DLH	34 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	4
Tornado Warning	1
Severe Thunderstorm Watch	2
Mesoscale Discussion	6
Special Weather Statement	18
Winter
Blizzard Warning	2
Winter Storm Warning	4
Winter Storm Watch	3
Winter Weather Advisory	14
Cold
Freeze Warning	2
Wind Chill Warning	5
Wind Chill Watch	1
Frost Advisory	4
Wind Chill Advisory	13
Wind and dust
High Wind Warning	1
Wind Advisory	6
Fire
Red Flag Warning	3
Fire Weather Watch	3
Fog and smoke
Dense Fog Advisory	13

The busiest days

Days with the most alerts issued, by UTC date.

Nearby

Alerts in force now Tornadoes on record Forecast The radar archive 2020 2022

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.