Weather alerts in Weld County, Colorado, 2025

318 weather alerts in 2025, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.

Weld County and its neighbors

Each county as a circle sized by its count in 2025. Tap one for its archive.

Alerts: 318
Warnings: 140
Watches: 35
Advisories: 49
Busiest month: June92 alerts
Busiest day: June 17, 202524 alerts

Over time

By month

The alerts

Every alert, in the order issued. Times are local, Mountain Time. Each opens its own page with the text, the map, the radar and the sounding.

Issued	Product	Office	Lasted
Jan 3, 1:36 PM MST	Dense Fog Advisory	BOU	20 hr
Jan 3, 1:49 PM MST	Winter Weather Advisory	BOU	49 hr
Jan 6, 1:50 AM MST	Winter Weather Advisory	BOU	34 hr
Jan 7, 8:22 PM MST	Dense Fog Advisory	BOU	14 hr
Jan 16, 1:51 PM MST	Winter Weather Advisory	BOU	51 hr
Jan 17, 2:02 PM MST	Cold Weather Advisory	BOU	4 days
Feb 10, 2:11 PM MST	Winter Weather Advisory	BOU	43 hr
Feb 12, 2:21 AM MST	Cold Weather Advisory	BOU	30 hr
Feb 15, 2:00 AM MST	Dense Fog Advisory	BOU	9 hr
Feb 16, 1:41 AM MST	Dense Fog Advisory	BOU	6 hr
Feb 17, 2:58 AM MST	Cold Weather Advisory	BOU	3 days
Feb 18, 1:45 PM MST	Winter Weather Advisory	BOU	15 hr
Mar 2, 2:34 AM MST	Winter Storm Watch	BOU	33 hr
Mar 2, 2:38 PM MST	Winter Weather Advisory	BOU	50 hr
Mar 3, 2:20 AM MST	High Wind Watch	BOU	10 hr
Mar 3, 2:20 AM MST	High Wind Warning	BOU	39 hr
Mar 3, 3:50 PM MST	Special Weather Statement	BOU	40 min
Mar 9, 2:03 PM MDT	Red Flag Warning	BOU	29 hr
Mar 12, 2:35 PM MDT	High Wind Watch	BOU	23 hr
Mar 13, 1:47 PM MDT	High Wind Warning	BOU	30 hr
Mar 15, 1:40 PM MDT	Fire Weather Watch	BOU	13 hr
Mar 16, 2:48 AM MDT	Fire Weather Watch	BOU	11 hr
Mar 16, 2:48 AM MDT	Red Flag Warning	BOU	16 hr
Mar 16, 1:54 PM MDT	Red Flag Warning	BOU	29 hr
Mar 17, 12:38 PM MDT	Winter Weather Advisory	BOU	44 hr
Mar 17, 7:00 PM MDT	Red Flag Warning	BOU	24 hr
Mar 21, 2:28 AM MDT	Fire Weather Watch	BOU	13 hr
Mar 21, 3:09 PM MDT	Red Flag Warning	BOU	29 hr
Apr 7, 1:43 PM MDT	Fire Weather Watch	BOU	13 hr
Apr 8, 2:36 AM MDT	Red Flag Warning	BOU	16 hr
Apr 8, 2:01 PM MDT	Red Flag Warning	BOU	29 hr
Apr 10, 2:31 AM MDT	Fire Weather Watch	BOU	36 hr
Apr 11, 2:45 PM MDT	Red Flag Warning	BOU	29 hr
Apr 20, 12:58 PM MDT	Red Flag Warning	BOU	30 hr
Apr 24, 2:51 PM MDT	Severe Thunderstorm Warning	BOU	39 min
Apr 24, 4:19 PM MDT	Severe Thunderstorm Warning	BOU	41 min
Apr 24, 4:37 PM MDT	Severe Thunderstorm Warning	BOU	38 min
Apr 24, 4:49 PM MDT	Severe Thunderstorm Warning	BOU	22 min
Apr 25, 2:15 PM MDT	Fire Weather Watch	BOU	24 hr
Apr 25, 8:07 PM MDT	Dense Fog Advisory	BOU	14 hr
Apr 26, 1:58 PM MDT	Red Flag Warning	BOU	30 hr
May 14, 2:55 PM MDT	Special Weather Statement	BOU	50 min
May 14, 3:26 PM MDT	Special Weather Statement	BOU	49 min
May 14, 3:53 PM MDT	Severe Thunderstorm Warning	BOU	23 min
May 14, 3:56 PM MDT	Mesoscale Discussion	SPC	94 min
May 14, 4:02 PM MDT	Severe Thunderstorm Warning	BOU	43 min
May 14, 4:14 PM MDT	Severe Thunderstorm Warning	BOU	46 min
May 14, 4:45 PM MDT	Severe Thunderstorm Warning	BOU	45 min
May 18, 3:20 AM MDT	Special Weather Statement	BOU	25 min
May 18, 1:12 PM MDT	Mesoscale Discussion	SPC	3 hr
May 18, 1:57 PM MDT	Tornado Watch	SPC	6 hr
May 18, 2:29 PM MDT	Severe Thunderstorm Warning	BOU	31 min
May 18, 2:38 PM MDT	Severe Thunderstorm Warning	BOU	37 min
May 18, 2:45 PM MDT	Severe Thunderstorm Warning	BOU	45 min
May 18, 2:53 PM MDT	Severe Thunderstorm Warning	BOU	44 min
May 18, 2:56 PM MDT	Tornado Warning	BOU	34 min
May 18, 3:11 PM MDT	Tornado Warning	BOU	34 min
May 18, 3:25 PM MDT	Severe Thunderstorm Warning	BOU	35 min
May 18, 3:30 PM MDT	Severe Thunderstorm Warning Considerable damage threat	BOU	45 min
May 22, 7:19 PM MDT	Mesoscale Discussion	SPC	56 min
May 23, 4:02 PM MDT	Severe Thunderstorm Warning	BOU	43 min
May 23, 4:30 PM MDT	Severe Thunderstorm Warning Destructive damage threat	BOU	45 min
May 24, 7:13 PM MDT	Dense Fog Advisory	BOU	10 hr
May 27, 1:43 AM MDT	Dense Fog Advisory	BOU	7 hr
May 27, 3:22 PM MDT	Special Weather Statement	BOU	38 min
May 27, 3:53 PM MDT	Special Weather Statement	BOU	52 min
May 27, 4:37 PM MDT	Mesoscale Discussion	SPC	53 min
May 27, 4:44 PM MDT	Severe Thunderstorm Warning	BOU	46 min
May 27, 4:46 PM MDT	Tornado Warning	BOU	29 min
May 28, 11:53 AM MDT	Mesoscale Discussion	SPC	3 hr
May 30, 4:42 PM MDT	Special Weather Statement	BOU	48 min
Jun 1, 4:36 PM MDT	Special Weather Statement	BOU	24 min
Jun 1, 5:05 PM MDT	Severe Thunderstorm Warning	BOU	40 min
Jun 1, 5:28 PM MDT	Severe Thunderstorm Warning	BOU	23 min
Jun 1, 5:43 PM MDT	Special Weather Statement	BOU	32 min
Jun 2, 1:14 PM MDT	Mesoscale Discussion	SPC	2 hr
Jun 2, 2:12 PM MDT	Severe Thunderstorm Watch	SPC	6 hr
Jun 2, 5:52 PM MDT	Severe Thunderstorm Warning	BOU	38 min
Jun 2, 6:26 PM MDT	Severe Thunderstorm Warning	BOU	34 min
Jun 2, 6:39 PM MDT	Severe Thunderstorm Warning	BOU	36 min
Jun 2, 6:55 PM MDT	Tornado Warning	BOU	35 min
Jun 4, 2:51 PM MDT	Severe Thunderstorm Warning	BOU	54 min
Jun 4, 3:46 PM MDT	Special Weather Statement	BOU	44 min
Jun 4, 4:17 PM MDT	Severe Thunderstorm Warning	BOU	43 min
Jun 4, 4:58 PM MDT	Special Weather Statement	BOU	47 min
Jun 4, 7:32 PM MDT	Areal Flood Advisory	BOU	58 min
Jun 5, 12:30 PM MDT	Mesoscale Discussion	SPC	2 hr
Jun 5, 12:47 PM MDT	Areal Flood Advisory	BOU	58 min
Jun 5, 1:39 PM MDT	Severe Thunderstorm Watch	SPC	8 hr
Jun 5, 2:06 PM MDT	Special Weather Statement	BOU	39 min
Jun 6, 12:39 PM MDT	Mesoscale Discussion	SPC	96 min
Jun 11, 1:54 PM MDT	Special Weather Statement	BOU	51 min
Jun 11, 2:26 PM MDT	Special Weather Statement	BOU	49 min
Jun 11, 2:50 PM MDT	Severe Thunderstorm Warning	BOU	25 min
Jun 12, 2:04 PM MDT	Mesoscale Discussion	SPC	116 min
Jun 12, 2:53 PM MDT	Severe Thunderstorm Watch	SPC	7 hr
Jun 13, 12:41 PM MDT	Mesoscale Discussion	SPC	2 hr
Jun 13, 1:56 PM MDT	Severe Thunderstorm Watch	SPC	9 hr
Jun 13, 4:17 PM MDT	Tornado Warning	BOU	13 min
Jun 13, 4:22 PM MDT	Severe Thunderstorm Warning	BOU	38 min
Jun 13, 5:07 PM MDT	Severe Thunderstorm Warning	BOU	38 min
Jun 13, 6:48 PM MDT	Severe Thunderstorm Warning	BOU	42 min
Jun 14, 12:57 PM MDT	Mesoscale Discussion	SPC	93 min
Jun 14, 2:43 PM MDT	Severe Thunderstorm Watch	SPC	6 hr
Jun 14, 5:57 PM MDT	Severe Thunderstorm Warning	BOU	33 min
Jun 14, 6:04 PM MDT	Special Weather Statement	BOU	41 min
Jun 14, 6:15 PM MDT	Tornado Warning	BOU	30 min
Jun 14, 6:43 PM MDT	Severe Thunderstorm Warning	BOU	32 min
Jun 14, 6:52 PM MDT	Special Weather Statement	BOU	38 min
Jun 14, 7:11 PM MDT	Severe Thunderstorm Warning	BOU	34 min
Jun 14, 7:14 PM MDT	Severe Thunderstorm Warning	BOU	46 min
Jun 14, 7:44 PM MDT	Severe Thunderstorm Warning	BOU	46 min
Jun 15, 2:49 PM MDT	Mesoscale Discussion	SPC	116 min
Jun 16, 4:17 PM MDT	Special Weather Statement	BOU	28 min
Jun 16, 4:23 PM MDT	Special Weather Statement	BOU	37 min
Jun 16, 4:47 PM MDT	Severe Thunderstorm Warning	BOU	28 min
Jun 16, 5:12 PM MDT	Mesoscale Discussion	SPC	93 min
Jun 17, 1:57 AM MDT	Special Weather Statement	BOU	33 min
Jun 17, 2:16 AM MDT	Severe Thunderstorm Warning	BOU	29 min
Jun 17, 2:19 AM MDT	Severe Thunderstorm Warning	BOU	26 min
Jun 17, 2:38 AM MDT	Severe Thunderstorm Warning Considerable damage threat	BOU	37 min
Jun 17, 2:43 AM MDT	Severe Thunderstorm Warning	BOU	32 min
Jun 17, 3:07 AM MDT	Severe Thunderstorm Warning	BOU	23 min
Jun 17, 3:14 AM MDT	Severe Thunderstorm Warning	BOU	31 min
Jun 17, 3:17 AM MDT	Severe Thunderstorm Warning	BOU	43 min
Jun 17, 3:22 AM MDT	Severe Thunderstorm Warning	BOU	38 min
Jun 17, 3:30 AM MDT	Severe Thunderstorm Warning Considerable damage threat	BOU	30 min
Jun 17, 3:32 AM MDT	Severe Thunderstorm Warning Destructive damage threat	BOU	28 min
Jun 17, 3:45 AM MDT	Severe Thunderstorm Watch	SPC	4 hr
Jun 17, 3:52 AM MDT	Severe Thunderstorm Warning Considerable damage threat	BOU	27 min
Jun 17, 3:54 AM MDT	Severe Thunderstorm Warning	BOU	36 min
Jun 17, 4:02 AM MDT	Severe Thunderstorm Warning Destructive damage threat	BOU	28 min
Jun 17, 4:36 AM MDT	Severe Thunderstorm Warning	BOU	24 min
Jun 17, 10:08 AM MDT	Mesoscale Discussion	SPC	2 hr
Jun 17, 10:48 AM MDT	Severe Thunderstorm Watch	SPC	8 hr
Jun 17, 12:55 PM MDT	Mesoscale Discussion	SPC	2 hr
Jun 17, 1:10 PM MDT	Special Weather Statement	BOU	50 min
Jun 17, 1:43 PM MDT	Severe Thunderstorm Warning	BOU	32 min
Jun 17, 1:46 PM MDT	Severe Thunderstorm Warning	BOU	29 min
Jun 17, 2:05 PM MDT	Severe Thunderstorm Warning	BOU	40 min
Jun 17, 2:25 PM MDT	Mesoscale Discussion	SPC	95 min
Jun 18, 1:51 PM MDT	Heat Advisory	BOU	3 days
Jun 22, 9:14 PM MDT	Special Weather Statement	BOU	31 min
Jun 22, 9:26 PM MDT	Severe Thunderstorm Warning	BOU	30 min
Jun 22, 9:28 PM MDT	Severe Thunderstorm Warning	BOU	29 min
Jun 22, 9:55 PM MDT	Severe Thunderstorm Warning	BOU	40 min
Jun 24, 12:35 PM MDT	Mesoscale Discussion	SPC	115 min
Jun 24, 1:09 PM MDT	Severe Thunderstorm Watch	SPC	7 hr
Jun 24, 4:14 PM MDT	Severe Thunderstorm Warning	BOU	46 min
Jun 25, 1:51 PM MDT	Special Weather Statement	BOU	39 min
Jun 25, 2:21 PM MDT	Severe Thunderstorm Warning	BOU	19 min
Jun 25, 3:42 PM MDT	Mesoscale Discussion	SPC	93 min
Jun 25, 4:19 PM MDT	Special Weather Statement	BOU	26 min
Jun 25, 4:37 PM MDT	Special Weather Statement	BOU	38 min
Jun 25, 6:25 PM MDT	Areal Flood Advisory	BOU	17 min
Jun 25, 6:41 PM MDT	Flash Flood Warning	BOU	2 hr
Jun 29, 12:52 PM MDT	Mesoscale Discussion	SPC	113 min
Jun 29, 1:45 PM MDT	Severe Thunderstorm Watch	SPC	9 hr
Jun 29, 3:07 PM MDT	Special Weather Statement	BOU	38 min
Jun 29, 3:16 PM MDT	Severe Thunderstorm Warning Considerable damage threat	BOU	44 min
Jun 29, 3:44 PM MDT	Severe Thunderstorm Warning	BOU	31 min
Jun 29, 4:13 PM MDT	Severe Thunderstorm Warning	BOU	47 min
Jun 29, 5:09 PM MDT	Mesoscale Discussion	SPC	2 hr
Jul 1, 4:10 PM MDT	Special Weather Statement	BOU	35 min
Jul 5, 1:04 PM MDT	Mesoscale Discussion	SPC	116 min
Jul 6, 12:38 PM MDT	Mesoscale Discussion	SPC	3 hr
Jul 6, 1:17 PM MDT	Severe Thunderstorm Watch	SPC	9 hr
Jul 6, 4:48 PM MDT	Special Weather Statement	BOU	42 min
Jul 6, 5:03 PM MDT	Mesoscale Discussion	SPC	87 min
Jul 7, 1:23 PM MDT	Mesoscale Discussion	SPC	2 hr
Jul 7, 1:49 PM MDT	Severe Thunderstorm Watch	SPC	6 hr
Jul 7, 1:51 PM MDT	Special Weather Statement	BOU	39 min
Jul 7, 2:28 PM MDT	Heat Advisory	BOU	55 hr
Jul 7, 9:52 PM MDT	Severe Thunderstorm Warning	BOU	23 min
Jul 7, 10:16 PM MDT	Severe Thunderstorm Warning	BOU	44 min
Jul 8, 3:55 PM MDT	Special Weather Statement	BOU	35 min
Jul 10, 1:43 PM MDT	Mesoscale Discussion	SPC	2 hr
Jul 10, 4:17 PM MDT	Special Weather Statement	BOU	28 min
Jul 10, 4:54 PM MDT	Special Weather Statement	BOU	51 min
Jul 10, 4:56 PM MDT	Severe Thunderstorm Warning	BOU	34 min
Jul 10, 5:56 PM MDT	Mesoscale Discussion	SPC	2 hr
Jul 11, 11:57 AM MDT	Flood Watch	BOU	11 hr
Jul 11, 2:36 PM MDT	Mesoscale Discussion	SPC	114 min
Jul 11, 4:17 PM MDT	Severe Thunderstorm Watch	SPC	7 hr
Jul 11, 4:48 PM MDT	Severe Thunderstorm Warning	BOU	27 min
Jul 11, 5:15 PM MDT	Severe Thunderstorm Warning	BOU	45 min
Jul 11, 5:53 PM MDT	Severe Thunderstorm Warning Considerable damage threat	BOU	52 min
Jul 11, 6:02 PM MDT	Severe Thunderstorm Warning	BOU	43 min
Jul 11, 6:24 PM MDT	Severe Thunderstorm Warning	BOU	36 min
Jul 11, 6:30 PM MDT	Severe Thunderstorm Warning	BOU	27 min
Jul 11, 6:33 PM MDT	Severe Thunderstorm Warning	BOU	42 min
Jul 11, 6:40 PM MDT	Severe Thunderstorm Warning	BOU	40 min
Jul 11, 6:43 PM MDT	Severe Thunderstorm Warning	BOU	40 min
Jul 11, 7:05 PM MDT	Areal Flood Advisory	BOU	25 min
Jul 11, 7:06 PM MDT	Severe Thunderstorm Warning	BOU	23 min
Jul 11, 7:19 PM MDT	Flash Flood Warning	BOU	3 hr
Jul 11, 7:32 PM MDT	Mesoscale Discussion	SPC	88 min
Jul 11, 7:47 PM MDT	Severe Thunderstorm Warning	BOU	28 min
Jul 11, 10:15 PM MDT	Areal Flood Warning	BOU	2 hr
Jul 14, 4:18 PM MDT	Special Weather Statement	BOU	42 min
Jul 14, 4:35 PM MDT	Severe Thunderstorm Warning	BOU	40 min
Jul 14, 5:09 PM MDT	Severe Thunderstorm Warning	BOU	36 min
Jul 14, 5:46 PM MDT	Severe Thunderstorm Warning	BOU	44 min
Jul 14, 6:20 PM MDT	Special Weather Statement	BOU	40 min
Jul 16, 1:36 PM MDT	Mesoscale Discussion	SPC	84 min
Jul 16, 2:45 PM MDT	Severe Thunderstorm Watch	SPC	7 hr
Jul 16, 3:13 PM MDT	Special Weather Statement	BOU	32 min
Jul 16, 4:11 PM MDT	Special Weather Statement	BOU	49 min
Jul 16, 4:22 PM MDT	Severe Thunderstorm Warning	BOU	23 min
Jul 16, 5:01 PM MDT	Mesoscale Discussion	SPC	59 min
Jul 16, 5:14 PM MDT	Severe Thunderstorm Warning	BOU	31 min
Jul 16, 7:26 PM MDT	Areal Flood Advisory	BOU	3 hr
Jul 16, 9:50 PM MDT	Areal Flood Advisory	BOU	3 hr
Jul 23, 2:43 PM MDT	Mesoscale Discussion	SPC	2 hr
Jul 24, 1:41 PM MDT	Mesoscale Discussion	SPC	2 hr
Jul 24, 3:40 PM MDT	Severe Thunderstorm Warning	BOU	35 min
Jul 24, 4:02 PM MDT	Severe Thunderstorm Warning	BOU	43 min
Jul 24, 4:26 PM MDT	Severe Thunderstorm Warning	BOU	32 min
Jul 24, 4:42 PM MDT	Severe Thunderstorm Warning	BOU	48 min
Jul 24, 4:47 PM MDT	Areal Flood Advisory	BOU	3 hr
Jul 24, 5:00 PM MDT	Areal Flood Advisory	BOU	3 hr
Jul 24, 5:01 PM MDT	Severe Thunderstorm Warning	BOU	59 min
Jul 24, 5:12 PM MDT	Severe Thunderstorm Warning	BOU	63 min
Jul 24, 5:22 PM MDT	Severe Thunderstorm Warning	BOU	28 min
Jul 24, 5:33 PM MDT	Areal Flood Advisory	BOU	3 hr
Jul 24, 5:56 PM MDT	Special Weather Statement	BOU	49 min
Jul 24, 5:57 PM MDT	Areal Flood Advisory	BOU	2 hr
Jul 25, 4:09 PM MDT	Mesoscale Discussion	SPC	96 min
Jul 31, 1:49 PM MDT	Mesoscale Discussion	SPC	56 min
Jul 31, 2:59 PM MDT	Severe Thunderstorm Watch	SPC	6 hr
Jul 31, 4:19 PM MDT	Special Weather Statement	BOU	41 min
Jul 31, 4:37 PM MDT	Special Weather Statement	BOU	38 min
Jul 31, 5:00 PM MDT	Severe Thunderstorm Warning	BOU	30 min
Jul 31, 5:04 PM MDT	Special Weather Statement	BOU	41 min
Jul 31, 5:10 PM MDT	Severe Thunderstorm Warning	BOU	35 min
Jul 31, 5:32 PM MDT	Mesoscale Discussion	SPC	88 min
Jul 31, 5:35 PM MDT	Severe Thunderstorm Warning	BOU	40 min
Jul 31, 5:49 PM MDT	Areal Flood Advisory	BOU	29 min
Jul 31, 6:18 PM MDT	Flash Flood Warning	BOU	3 hr
Jul 31, 6:25 PM MDT	Severe Thunderstorm Warning	BOU	50 min
Jul 31, 6:58 PM MDT	Areal Flood Advisory	BOU	3 hr
Aug 1, 1:51 PM MDT	Mesoscale Discussion	SPC	114 min
Aug 1, 2:46 PM MDT	Tornado Watch	SPC	7 hr
Aug 1, 4:46 PM MDT	Severe Thunderstorm Warning	BOU	29 min
Aug 1, 4:58 PM MDT	Mesoscale Discussion	SPC	2 hr
Aug 1, 6:46 PM MDT	Severe Thunderstorm Warning	BOU	44 min
Aug 2, 1:36 PM MDT	Mesoscale Discussion	SPC	114 min
Aug 2, 3:01 PM MDT	Severe Thunderstorm Watch	SPC	8 hr
Aug 2, 5:07 PM MDT	Severe Thunderstorm Warning	BOU	38 min
Aug 4, 2:07 PM MDT	Mesoscale Discussion	SPC	113 min
Aug 5, 1:45 PM MDT	Heat Advisory	BOU	53 hr
Aug 9, 2:18 PM MDT	Severe Thunderstorm Warning	BOU	42 min
Aug 10, 11:46 AM MDT	Mesoscale Discussion	SPC	59 min
Aug 10, 12:15 PM MDT	Severe Thunderstorm Watch	SPC	10 hr
Aug 10, 3:19 PM MDT	Severe Thunderstorm Warning	BOU	41 min
Aug 10, 3:53 PM MDT	Mesoscale Discussion	SPC	2 hr
Aug 10, 3:57 PM MDT	Severe Thunderstorm Warning	BOU	48 min
Aug 10, 4:39 PM MDT	Areal Flood Advisory	BOU	3 hr
Aug 10, 4:44 PM MDT	Areal Flood Advisory	BOU	3 hr
Aug 10, 5:49 PM MDT	Severe Thunderstorm Warning	BOU	19 min
Aug 10, 5:57 PM MDT	Special Weather Statement	BOU	48 min
Aug 10, 6:34 PM MDT	Special Weather Statement	BOU	41 min
Aug 10, 7:16 PM MDT	Severe Thunderstorm Warning	BOU	17 min
Aug 10, 7:29 PM MDT	Mesoscale Discussion	SPC	2 hr
Aug 10, 8:04 PM MDT	Areal Flood Advisory	BOU	116 min
Aug 14, 5:30 PM MDT	Mesoscale Discussion	SPC	2 hr
Aug 14, 6:19 PM MDT	Severe Thunderstorm Warning Considerable damage threat	BOU	41 min
Aug 15, 2:49 PM MDT	Mesoscale Discussion	SPC	116 min
Aug 18, 2:20 PM MDT	Mesoscale Discussion	SPC	115 min
Aug 23, 1:21 PM MDT	Mesoscale Discussion	SPC	114 min
Aug 25, 6:17 PM MDT	Areal Flood Advisory	BOU	2 hr
Aug 26, 5:20 PM MDT	Areal Flood Advisory	BOU	115 min
Aug 27, 2:13 PM MDT	Mesoscale Discussion	SPC	2 hr
Aug 27, 2:23 PM MDT	Areal Flood Advisory	BOU	3 hr
Aug 27, 2:57 PM MDT	Areal Flood Advisory	BOU	3 hr
Aug 27, 3:07 PM MDT	Severe Thunderstorm Warning	BOU	38 min
Aug 27, 3:31 PM MDT	Areal Flood Advisory	BOU	3 hr
Aug 28, 1:06 PM MDT	Mesoscale Discussion	SPC	114 min
Aug 28, 5:05 PM MDT	Severe Thunderstorm Warning	BOU	25 min
Aug 28, 5:28 PM MDT	Severe Thunderstorm Warning	BOU	47 min
Sep 11, 2:47 PM MDT	Mesoscale Discussion	SPC	118 min
Sep 11, 3:00 PM MDT	Special Weather Statement	BOU	60 min
Sep 11, 3:58 PM MDT	Special Weather Statement	BOU	47 min
Sep 11, 4:18 PM MDT	Areal Flood Advisory	BOU	116 min
Sep 11, 4:53 PM MDT	Severe Thunderstorm Warning	BOU	37 min
Oct 4, 2:55 PM MDT	Mesoscale Discussion	SPC	2 hr
Oct 12, 2:17 AM MDT	Dense Fog Advisory	BOU	6 hr
Oct 12, 4:11 AM MDT	Frost Advisory	BOU	28 hr
Oct 15, 1:42 AM MDT	Dense Fog Advisory	BOU	10 hr
Oct 15, 12:50 PM MDT	Frost Advisory	BOU	43 hr
Oct 15, 4:56 PM MDT	Mesoscale Discussion	SPC	2 hr
Oct 17, 1:34 PM MDT	Freeze Watch	BOU	13 hr
Oct 18, 2:06 AM MDT	Freeze Warning	BOU	30 hr
Oct 19, 1:32 PM MDT	Red Flag Warning	BOU	28 hr
Oct 20, 2:06 AM MDT	Freeze Warning	BOU	30 hr
Oct 20, 5:37 AM MDT	High Wind Warning	BOU	5 hr
Oct 27, 6:28 AM MDT	Dense Fog Advisory	BOU	3 hr
Oct 27, 12:27 PM MDT	Freeze Warning	BOU	22 hr
Oct 27, 12:27 PM MDT	Freeze Warning	BOU	46 hr
Nov 6, 7:21 AM MST	Red Flag Warning	BOU	10 hr
Nov 22, 4:45 AM MST	Dense Fog Advisory	BOU	5 hr
Dec 1, 1:52 PM MST	Winter Weather Advisory	BOU	54 hr
Dec 3, 9:22 PM MST	Dense Fog Advisory	BOU	13 hr
Dec 8, 9:12 AM MST	High Wind Watch	BOU	18 hr
Dec 8, 9:12 AM MST	High Wind Warning	BOU	39 hr
Dec 11, 8:16 AM MST	Red Flag Warning	BOU	9 hr
Dec 15, 12:55 PM MST	High Wind Watch	BOU	13 hr
Dec 15, 1:20 PM MST	Fire Weather Watch	BOU	14 hr
Dec 16, 1:51 AM MST	High Wind Watch	BOU	24 hr
Dec 16, 1:51 AM MST	High Wind Warning	BOU	58 hr
Dec 16, 3:06 AM MST	Red Flag Warning	BOU	39 hr
Dec 17, 2:26 PM MST	High Wind Watch	BOU	51 hr
Dec 17, 3:24 PM MST	Fire Weather Watch	BOU	35 hr
Dec 17, 6:57 PM MST	High Wind Warning	BOU	5 hr
Dec 18, 2:31 AM MST	Red Flag Warning	BOU	14 hr
Dec 18, 2:44 PM MST	Red Flag Warning	BOU	33 hr
Dec 18, 6:01 PM MST	High Wind Warning	BOU	26 hr
Dec 22, 1:48 AM MST	Red Flag Warning	BOU	15 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	102
Tornado Warning	6
Severe Thunderstorm Watch	16
Tornado Watch	2
Mesoscale Discussion	51
Special Weather Statement	43
Flooding
Areal Flood Warning	1
Flash Flood Warning	3
Flood Watch	1
Areal Flood Advisory	21
Winter
Winter Storm Watch	1
Winter Weather Advisory	8
Heat
Heat Advisory	3
Cold
Freeze Warning	4
Freeze Watch	1
Cold Weather Advisory	3
Frost Advisory	2
Wind and dust
High Wind Warning	7
High Wind Watch	6
Fire
Red Flag Warning	17
Fire Weather Watch	8
Fog and smoke
Dense Fog Advisory	12

The busiest days

Days with the most alerts issued, by UTC date.

Nearby

Alerts in force now Tornadoes on record Forecast The radar archive 2024 2026

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.