Weather alerts in Wyoming, December 2025

101 weather alerts in December 2025, 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 December 2025. Tap one for its archive.

Alerts: 101
Warnings: 45
Watches: 25
Advisories: 23
Busiest day: December 16, 202511 alerts

Over time

By day

Days in UTC, the clock the archive keeps.

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	Counties	Lasted
Dec 1, 12:21 AM MST	Winter Weather Advisory	RIW	Fremont, Lincoln, Sublette, Teton	44 hr
Dec 1, 12:52 AM MST	High Wind Warning	CYS	Albany, Carbon, Laramie, Platte	40 hr
Dec 1, 2:12 PM MST	Winter Weather Advisory	CYS	Albany, Carbon, Laramie	45 hr
Dec 1, 2:17 PM MST	Winter Weather Advisory	BYZ	Sheridan	42 hr
Dec 2, 1:30 AM MST	Winter Weather Advisory	UNR	Crook, Weston	29 hr
Dec 3, 12:48 PM MST	Winter Storm Watch	RIW	Fremont, Lincoln, Sublette, Teton	14 hr
Dec 3, 1:23 PM MST	High Wind Warning	CYS	Albany, Carbon, Laramie, Platte	45 hr
Dec 4, 12:25 AM MST	Winter Storm Warning	CYS	Albany, Carbon	3 days
Dec 4, 2:22 AM MST	Winter Storm Warning	RIW	Big Horn, Fremont, Johnson, Lincoln, Natrona, Sublette and 2 more	63 hr
Dec 4, 2:37 AM MST	Winter Weather Advisory	RIW	Big Horn, Fremont, Hot Springs, Johnson, Lincoln, Natrona and 4 more	59 hr
Dec 4, 3:43 AM MST	Winter Weather Advisory	BYZ	Sheridan	61 hr
Dec 4, 12:59 PM MST	Winter Weather Advisory	SLC	Uinta	46 hr
Dec 5, 12:20 AM MST	Winter Weather Advisory	CYS	Albany, Carbon	41 hr
Dec 5, 10:15 AM MST	High Wind Watch	CYS	Laramie	4 hr
Dec 5, 10:15 AM MST	High Wind Warning	CYS	Albany, Carbon, Laramie, Platte	28 hr
Dec 6, 2:03 PM MST	High Wind Warning	CYS	Albany, Carbon, Laramie, Platte	24 hr
Dec 7, 1:17 AM MST	High Wind Watch	BYZ	Sheridan	36 hr
Dec 7, 2:46 AM MST	Winter Weather Advisory	RIW	Fremont, Lincoln, Sublette, Teton	26 hr
Dec 7, 12:13 PM MST	High Wind Watch	UNR	Crook	24 hr
Dec 7, 2:30 PM MST	High Wind Watch	RIW	Fremont, Lincoln, Natrona, Sweetwater	11 hr
Dec 7, 2:38 PM MST	High Wind Watch	CYS	Albany, Carbon, Converse, Goshen, Laramie, Niobrara and 1 more	4 days
Dec 7, 2:38 PM MST	High Wind Warning	CYS	Albany, Carbon, Converse, Laramie, Platte	5 days
Dec 8, 1:10 AM MST	High Wind Warning	BYZ	Sheridan	38 hr
Dec 8, 1:49 AM MST	High Wind Warning	RIW	Fremont, Lincoln, Natrona, Sweetwater	4 days
Dec 8, 2:02 AM MST	Winter Storm Watch	RIW	Fremont, Lincoln, Sublette, Teton	11 hr
Dec 8, 2:02 AM MST	Winter Storm Warning	RIW	Fremont, Hot Springs, Lincoln, Park, Sublette, Teton	58 hr
Dec 8, 2:53 AM MST	High Wind Watch	CYS	Converse, Laramie	3 days
Dec 8, 2:53 AM MST	High Wind Warning	CYS	Albany, Carbon, Converse, Goshen, Laramie, Niobrara and 1 more	45 hr
Dec 8, 12:13 PM MST	High Wind Warning	UNR	Crook	37 hr
Dec 8, 1:21 PM MST	Winter Weather Advisory	RIW	Big Horn, Fremont, Johnson, Lincoln, Natrona, Sublette and 1 more	52 hr
Dec 8, 2:08 PM MST	Winter Weather Advisory	BYZ	Sheridan	58 hr
Dec 9, 3:12 AM MST	Winter Weather Advisory	CYS	Albany, Carbon	32 hr
Dec 9, 2:35 PM MST	Special Weather Statement	BYZ	Sheridan	115 min
Dec 11, 2:22 AM MST	Winter Weather Advisory	BYZ	Sheridan	54 hr
Dec 11, 12:56 PM MST	Winter Weather Advisory	RIW	Big Horn, Fremont, Johnson, Natrona, Washakie	18 hr
Dec 12, 5:10 AM MST	High Wind Watch	CYS	Albany, Laramie, Platte	7 hr
Dec 12, 5:10 AM MST	High Wind Warning	CYS	Albany, Carbon, Laramie, Platte	27 hr
Dec 12, 5:25 PM MST	Dense Fog Advisory	CYS	Laramie	12 hr
Dec 15, 1:00 AM MST	High Wind Watch	CYS	Albany, Laramie, Platte	12 hr
Dec 15, 1:00 AM MST	High Wind Warning	CYS	Albany, Carbon, Laramie, Platte	40 hr
Dec 15, 12:58 PM MST	Winter Storm Watch	RIW	Fremont, Hot Springs, Lincoln, Park, Sublette, Teton	23 hr
Dec 15, 1:19 PM MST	High Wind Watch	RIW	Fremont, Johnson, Lincoln, Natrona, Sublette, Sweetwater	22 hr
Dec 15, 1:19 PM MST	High Wind Warning	RIW	Big Horn, Fremont, Hot Springs, Johnson, Lincoln, Natrona and 5 more	64 hr
Dec 16, 1:38 AM MST	High Wind Watch	CYS	Albany, Carbon, Converse, Goshen, Laramie, Niobrara and 1 more	13 hr
Dec 16, 1:48 AM MST	High Wind Watch	UNR	Campbell, Crook, Weston	11 hr
Dec 16, 1:57 AM MST	High Wind Watch	SLC	Uinta	8 hr
Dec 16, 3:05 AM MST	High Wind Watch	BYZ	Sheridan	11 hr
Dec 16, 6:50 AM MST	Special Weather Statement	BYZ	Sheridan	115 min
Dec 16, 10:05 AM MST	High Wind Warning	SLC	Uinta	40 hr
Dec 16, 11:31 AM MST	Winter Storm Warning	RIW	Fremont, Hot Springs, Lincoln, Park, Sublette, Teton	35 hr
Dec 16, 1:04 PM MST	High Wind Warning	UNR	Campbell, Crook, Weston	48 hr
Dec 16, 1:43 PM MST	High Wind Warning	BYZ	Sheridan	39 hr
Dec 16, 2:50 PM MST	High Wind Warning	CYS	Albany, Carbon, Converse, Goshen, Laramie, Niobrara and 1 more	43 hr
Dec 16, 2:52 PM MST	Winter Weather Advisory	CYS	Albany, Carbon	27 hr
Dec 17, 2:52 PM MST	High Wind Watch	CYS	Albany, Carbon, Converse, Goshen, Laramie, Niobrara and 1 more	19 hr
Dec 17, 3:36 PM MST	Special Weather Statement	CYS	Carbon	69 min
Dec 17, 3:45 PM MST	Snow Squall Warning Significant damage threat	CYS	Albany, Carbon	60 min
Dec 17, 5:22 PM MST	Snow Squall Warning	CYS	Albany, Laramie	53 min
Dec 18, 1:24 AM MST	Winter Storm Warning	RIW	Fremont, Hot Springs, Lincoln, Park, Sublette, Teton	52 hr
Dec 18, 1:24 AM MST	Winter Weather Advisory	RIW	Lincoln, Sublette, Teton	52 hr
Dec 18, 3:02 AM MST	High Wind Watch	BYZ	Sheridan	11 hr
Dec 18, 3:02 AM MST	High Wind Warning	BYZ	Sheridan	38 hr
Dec 18, 3:04 AM MST	Fire Weather Watch	CYS	Goshen, Laramie, Platte	8 hr
Dec 18, 3:04 AM MST	Red Flag Warning	CYS	Laramie	14 hr
Dec 18, 10:16 AM MST	High Wind Warning	CYS	Albany, Carbon, Converse, Goshen, Laramie, Niobrara and 1 more	46 hr
Dec 18, 10:48 AM MST	Red Flag Warning	CYS	Albany, Converse, Goshen, Laramie, Niobrara, Platte	37 hr
Dec 18, 11:29 AM MST	High Wind Warning	RIW	Fremont, Hot Springs, Johnson, Lincoln, Natrona, Park and 3 more	36 hr
Dec 19, 1:35 AM MST	Winter Weather Advisory	CYS	Albany, Carbon	42 hr
Dec 19, 3:17 AM MST	Winter Weather Advisory	BYZ	Sheridan	21 hr
Dec 19, 9:38 AM MST	High Wind Warning	SLC	Uinta	12 hr
Dec 19, 2:24 PM MST	High Wind Warning	UNR	Campbell, Weston	5 hr
Dec 20, 12:17 PM MST	Winter Storm Warning	RIW	Fremont, Hot Springs, Lincoln, Park, Sublette, Teton	53 hr
Dec 20, 3:16 PM MST	High Wind Warning	CYS	Albany, Carbon, Laramie, Platte	50 hr
Dec 22, 1:13 AM MST	Red Flag Warning	CYS	Laramie	16 hr
Dec 22, 10:18 AM MST	High Wind Warning	RIW	Fremont	4 hr
Dec 23, 11:22 AM MST	Red Flag Warning	CYS	Albany, Carbon	6 hr
Dec 23, 11:31 AM MST	High Wind Watch	RIW	Fremont, Natrona, Sweetwater	14 hr
Dec 23, 1:30 PM MST	High Wind Warning	CYS	Albany, Carbon	22 hr
Dec 24, 1:10 AM MST	High Wind Warning	RIW	Fremont, Natrona, Sublette, Sweetwater	34 hr
Dec 24, 1:15 AM MST	Winter Weather Advisory	RIW	Fremont, Lincoln, Sublette, Teton	35 hr
Dec 24, 1:17 AM MST	High Wind Watch	CYS	Albany, Laramie, Platte	39 hr
Dec 24, 1:17 AM MST	High Wind Warning	CYS	Albany, Carbon, Converse, Laramie, Platte	40 hr
Dec 24, 6:24 PM MST	High Wind Warning	UNR	Crook	20 hr
Dec 25, 12:21 PM MST	Winter Weather Advisory	RIW	Fremont, Hot Springs, Lincoln, Park, Sublette, Teton	53 hr
Dec 25, 1:14 PM MST	Winter Storm Watch	CYS	Carbon	12 hr
Dec 25, 4:52 PM MST	High Wind Warning	CYS	Albany, Carbon, Laramie, Platte	33 hr
Dec 26, 1:36 AM MST	Winter Storm Warning	CYS	Albany, Carbon	54 hr
Dec 26, 1:36 AM MST	Winter Weather Advisory	CYS	Albany, Carbon	54 hr
Dec 26, 2:52 PM MST	Winter Weather Advisory	BYZ	Sheridan	32 hr
Dec 26, 8:49 PM MST	Special Weather Statement	BYZ	Sheridan	3 hr
Dec 27, 8:54 AM MST	Special Weather Statement	CYS	Albany	51 min
Dec 27, 12:48 PM MST	High Wind Watch	CYS	Albany, Carbon, Laramie	24 hr
Dec 27, 12:48 PM MST	High Wind Warning	CYS	Platte	7 hr
Dec 27, 1:31 PM MST	Special Weather Statement	CYS	Albany	44 min
Dec 27, 2:18 PM MST	Special Weather Statement	CYS	Albany	42 min
Dec 27, 3:00 PM MST	Special Weather Statement	CYS	Albany	60 min
Dec 28, 1:05 AM MST	High Wind Warning	CYS	Albany, Carbon, Laramie	19 hr
Dec 29, 12:34 AM MST	High Wind Watch	CYS	Albany, Carbon, Laramie	14 hr
Dec 29, 2:05 PM MST	High Wind Warning	CYS	Albany, Carbon, Laramie, Platte	22 hr
Dec 30, 2:13 AM MST	High Wind Watch	CYS	Albany, Carbon, Laramie, Platte	33 hr
Dec 30, 12:15 PM MST	High Wind Warning	CYS	Albany, Carbon	21 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
Special Weather Statement	8
Winter
Snow Squall Warning	2
Winter Storm Warning	7
Winter Storm Watch	4
Winter Weather Advisory	22
Wind and dust
High Wind Warning	32
High Wind Watch	20
Fire
Red Flag Warning	4
Fire Weather Watch	1
Fog and smoke
Dense Fog Advisory	1

By county

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

Nearby

Alerts in force now Tornadoes on record 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.