Alert archive / Wyoming / Winter Weather Advisories

Winter Weather Advisories in Wyoming, 2021

132 winter weather advisories in 2021. 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 winter weather advisories reaches back to 2005.

Winter Weather Advisories by county

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

Winter Weather Advisories: 132
Busiest month: February31 winter weather advisories
Busiest day: October 18, 20215 winter weather advisories

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	Counties	Lasted
Jan 3, 3:57 AM MST	Winter Weather Advisory	RIW	Fremont, Lincoln, Sublette, Teton	16 hr
Jan 4, 2:53 AM MST	Winter Weather Advisory	RIW	Fremont, Lincoln, Park, Sublette, Teton	33 hr
Jan 4, 3:43 AM MST	Winter Weather Advisory	CYS	Albany, Carbon	9 hr
Jan 4, 7:54 PM MST	Winter Weather Advisory	CYS	Albany, Carbon	21 hr
Jan 7, 5:23 PM MST	Winter Weather Advisory	BYZ	Sheridan	16 hr
Jan 12, 2:30 AM MST	Winter Weather Advisory	RIW	Fremont, Lincoln, Sublette, Teton	45 hr
Jan 12, 12:06 PM MST	Winter Weather Advisory	BYZ	Sheridan	39 hr
Jan 16, 3:15 PM MST	Winter Weather Advisory	CYS	Albany, Carbon	46 hr
Jan 17, 1:39 AM MST	Winter Weather Advisory	UNR	Campbell, Crook, Weston	39 hr
Jan 17, 2:47 AM MST	Winter Weather Advisory	BYZ	Sheridan	33 hr
Jan 17, 9:56 AM MST	Winter Weather Advisory	RIW	Johnson	28 hr
Jan 21, 3:12 PM MST	Winter Weather Advisory	SLC	Uinta	53 hr
Jan 21, 10:29 PM MST	Winter Weather Advisory	CYS	Albany, Goshen, Laramie, Platte	10 hr
Jan 22, 5:26 AM MST	Winter Weather Advisory	RIW	Fremont, Lincoln, Natrona, Sublette, Sweetwater	42 hr
Jan 22, 12:46 PM MST	Winter Weather Advisory	CYS	Albany, Carbon, Converse, Laramie, Niobrara, Platte	38 hr
Jan 27, 4:27 AM MST	Winter Weather Advisory	RIW	Fremont, Lincoln, Natrona, Park, Sublette, Sweetwater and 1 more	40 hr
Jan 29, 3:12 AM MST	Winter Weather Advisory	RIW	Fremont, Lincoln, Sublette, Teton	33 hr
Feb 2, 1:20 AM MST	Winter Weather Advisory	BYZ	Sheridan	43 hr
Feb 2, 2:43 AM MST	Winter Weather Advisory	RIW	Fremont, Lincoln, Park, Sublette, Teton	36 hr
Feb 2, 12:43 PM MST	Winter Weather Advisory	CYS	Albany, Carbon, Laramie	40 hr
Feb 4, 2:10 AM MST	Winter Weather Advisory	RIW	Big Horn, Fremont, Hot Springs, Johnson, Lincoln, Natrona and 4 more	45 hr
Feb 4, 3:15 AM MST	Winter Weather Advisory	UNR	Crook, Weston	28 hr
Feb 4, 3:05 PM MST	Winter Weather Advisory	CYS	Albany, Carbon, Goshen, Laramie, Platte	3 days
Feb 5, 6:44 PM MST	Winter Weather Advisory	UNR	Campbell, Crook, Weston	13 hr
Feb 6, 2:29 AM MST	Winter Weather Advisory	RIW	Big Horn, Fremont, Hot Springs, Johnson, Lincoln, Natrona and 4 more	39 hr
Feb 7, 3:48 AM MST	Winter Weather Advisory	BYZ	Sheridan	24 hr
Feb 8, 2:01 PM MST	Winter Weather Advisory	CYS	Albany, Carbon	37 hr
Feb 10, 3:30 PM MST	Winter Weather Advisory	CYS	Albany, Carbon, Converse, Goshen, Laramie, Niobrara and 1 more	4 days
Feb 10, 3:43 PM MST	Winter Weather Advisory	RIW	Fremont, Hot Springs, Lincoln, Park, Sublette, Sweetwater and 1 more	3 days
Feb 12, 2:36 PM MST	Winter Weather Advisory	SLC	Uinta	43 hr
Feb 12, 3:33 PM MST	Winter Weather Advisory	CYS	Albany, Goshen, Laramie, Platte	5 hr
Feb 12, 8:45 PM MST	Winter Weather Advisory	CYS	Albany, Carbon	32 hr
Feb 14, 1:31 PM MST	Winter Weather Advisory	RIW	Fremont, Lincoln, Sublette, Teton	57 hr
Feb 14, 2:10 PM MST	Winter Weather Advisory	CYS	Albany, Carbon	21 hr
Feb 15, 9:49 PM MST	Winter Weather Advisory	CYS	Albany, Carbon	11 hr
Feb 17, 12:06 PM MST	Winter Weather Advisory	CYS	Albany, Laramie	15 hr
Feb 18, 3:01 AM MST	Winter Weather Advisory	CYS	Albany, Carbon	3 days
Feb 19, 3:31 AM MST	Winter Weather Advisory	RIW	Fremont, Lincoln, Sublette, Sweetwater, Teton	38 hr
Feb 21, 9:37 AM MST	Winter Weather Advisory	CYS	Albany, Carbon	31 hr
Feb 22, 3:42 AM MST	Winter Weather Advisory	RIW	Fremont, Hot Springs, Lincoln, Park, Sublette, Teton	32 hr
Feb 24, 12:47 PM MST	Winter Weather Advisory	CYS	Albany, Laramie	16 hr
Feb 24, 1:49 PM MST	Winter Weather Advisory	RIW	Fremont, Lincoln, Sublette, Teton	13 hr
Feb 25, 2:52 AM MST	Winter Weather Advisory	RIW	Park, Sublette, Teton	51 hr
Feb 26, 1:47 AM MST	Winter Weather Advisory	CYS	Carbon	29 hr
Feb 26, 2:00 PM MST	Winter Weather Advisory	UNR	Crook, Weston	39 hr
Feb 26, 2:33 PM MST	Winter Weather Advisory	BYZ	Sheridan	28 hr
Feb 27, 12:46 AM MST	Winter Weather Advisory	RIW	Johnson	18 hr
Feb 27, 1:00 PM MST	Winter Weather Advisory	CYS	Albany, Carbon	16 hr
Mar 9, 1:25 AM MST	Winter Weather Advisory	CYS	Albany, Carbon, Converse, Goshen, Laramie, Platte	40 hr
Mar 9, 2:08 AM MST	Winter Weather Advisory	UNR	Campbell, Crook, Weston	41 hr
Mar 9, 3:09 AM MST	Winter Weather Advisory	RIW	Big Horn, Fremont, Hot Springs, Johnson, Natrona, Sublette and 2 more	38 hr
Mar 9, 12:56 PM MST	Winter Weather Advisory	BYZ	Sheridan	29 hr
Mar 12, 1:39 PM MST	Winter Weather Advisory	RIW	Fremont, Johnson, Natrona, Washakie	22 hr
Mar 12, 2:11 PM MST	Winter Weather Advisory	CYS	Carbon	59 hr
Mar 13, 2:10 AM MST	Winter Weather Advisory	BYZ	Sheridan	37 hr
Mar 13, 2:26 AM MST	Winter Weather Advisory	UNR	Campbell	47 hr
Mar 13, 11:23 AM MST	Winter Weather Advisory	RIW	Big Horn, Fremont, Hot Springs, Johnson, Natrona, Washakie	33 hr
Mar 15, 12:43 PM MDT	Winter Weather Advisory	BYZ	Sheridan	26 hr
Mar 19, 1:27 PM MDT	Winter Weather Advisory	RIW	Fremont, Lincoln, Park, Sublette, Teton	37 hr
Mar 22, 2:30 AM MDT	Winter Weather Advisory	BYZ	Sheridan	43 hr
Mar 24, 12:03 PM MDT	Winter Weather Advisory	BYZ	Sheridan	63 hr
Apr 4, 1:43 PM MDT	Winter Weather Advisory	BYZ	Sheridan	49 hr
Apr 5, 2:51 AM MDT	Winter Weather Advisory	RIW	Fremont, Hot Springs, Johnson, Lincoln, Natrona, Park and 3 more	36 hr
Apr 6, 2:41 AM MDT	Winter Weather Advisory	UNR	Campbell, Weston	27 hr
Apr 6, 2:55 AM MDT	Winter Weather Advisory	CYS	Albany, Converse, Niobrara, Platte	23 hr
Apr 8, 2:29 AM MDT	Winter Weather Advisory	BYZ	Sheridan	28 hr
Apr 8, 3:22 AM MDT	Winter Weather Advisory	UNR	Crook, Weston	29 hr
Apr 13, 3:12 AM MDT	Winter Weather Advisory	CYS	Albany, Carbon	3 days
Apr 13, 3:12 AM MDT	Winter Weather Advisory	CYS	Albany, Carbon, Converse, Goshen, Laramie, Niobrara and 1 more	3 days
Apr 13, 3:37 PM MDT	Winter Weather Advisory	RIW	Big Horn, Fremont, Hot Springs, Johnson, Lincoln, Natrona and 2 more	68 hr
Apr 13, 8:52 PM MDT	Winter Weather Advisory	SLC	Uinta	26 hr
Apr 14, 2:06 AM MDT	Winter Weather Advisory	BYZ	Sheridan	58 hr
Apr 14, 2:55 AM MDT	Winter Weather Advisory	UNR	Campbell, Crook, Weston	48 hr
Apr 18, 2:32 AM MDT	Winter Weather Advisory	UNR	Campbell, Crook, Weston	54 hr
Apr 18, 2:57 AM MDT	Winter Weather Advisory	CYS	Albany, Carbon, Converse, Goshen, Laramie, Niobrara and 1 more	46 hr
Apr 18, 3:15 AM MDT	Winter Weather Advisory	RIW	Fremont, Hot Springs, Johnson, Natrona, Park, Sublette and 1 more	42 hr
Apr 25, 3:04 AM MDT	Winter Weather Advisory	RIW	Big Horn, Fremont, Johnson, Lincoln, Natrona, Sublette and 2 more	57 hr
Apr 25, 11:29 PM MDT	Winter Weather Advisory	BYZ	Sheridan	33 hr
Apr 27, 2:34 AM MDT	Winter Weather Advisory	CYS	Albany, Carbon, Laramie	27 hr
May 2, 3:10 AM MDT	Winter Weather Advisory	RIW	Fremont, Sublette	33 hr
May 2, 3:38 AM MDT	Winter Weather Advisory	CYS	Albany, Carbon, Laramie	35 hr
May 3, 2:29 PM MDT	Winter Weather Advisory	CYS	Albany, Carbon	6 hr
May 9, 1:28 PM MDT	Winter Weather Advisory	CYS	Albany, Carbon, Converse, Laramie, Platte	47 hr
Oct 10, 4:03 PM MDT	Winter Weather Advisory	RIW	Fremont, Lincoln, Sublette, Sweetwater, Teton	62 hr
Oct 11, 3:24 AM MDT	Winter Weather Advisory	CYS	Albany, Carbon, Goshen, Laramie	57 hr
Oct 11, 3:07 PM MDT	Winter Weather Advisory	UNR	Weston	44 hr
Oct 13, 12:45 PM MDT	Winter Weather Advisory	RIW	Fremont, Lincoln, Sublette, Teton	23 hr
Oct 18, 3:08 AM MDT	Winter Weather Advisory	BYZ	Sheridan	41 hr
Oct 18, 3:08 AM MDT	Winter Weather Advisory	SLC	Uinta	33 hr
Oct 18, 3:53 AM MDT	Winter Weather Advisory	RIW	Fremont, Hot Springs, Lincoln, Natrona, Park, Sublette and 1 more	43 hr
Oct 18, 1:40 PM MDT	Winter Weather Advisory	UNR	Campbell, Crook, Weston	40 hr
Oct 18, 1:43 PM MDT	Winter Weather Advisory	CYS	Albany, Carbon, Laramie, Niobrara, Platte	40 hr
Oct 24, 2:35 PM MDT	Winter Weather Advisory	RIW	Fremont, Lincoln, Sublette, Teton	45 hr
Oct 25, 4:06 AM MDT	Winter Weather Advisory	SLC	Uinta	32 hr
Oct 25, 2:36 PM MDT	Winter Weather Advisory	CYS	Albany, Carbon	33 hr
Oct 30, 2:41 PM MDT	Winter Weather Advisory	CYS	Albany, Converse, Goshen, Laramie, Niobrara, Platte	45 hr
Oct 30, 11:51 PM MDT	Winter Weather Advisory	BYZ	Sheridan	9 hr
Nov 1, 1:27 PM MDT	Winter Weather Advisory	CYS	Albany, Carbon	37 hr
Nov 6, 3:11 AM MDT	Winter Weather Advisory	RIW	Park, Teton	33 hr
Nov 8, 2:53 PM MST	Winter Weather Advisory	RIW	Fremont, Lincoln, Park, Sublette, Teton	39 hr
Nov 18, 2:14 PM MST	Winter Weather Advisory	RIW	Fremont, Lincoln, Sublette, Teton	36 hr
Nov 23, 11:50 AM MST	Winter Weather Advisory	RIW	Fremont, Lincoln, Sublette, Teton	20 hr
Dec 4, 1:55 PM MST	Winter Weather Advisory	BYZ	Sheridan	22 hr
Dec 6, 2:12 AM MST	Winter Weather Advisory	CYS	Albany, Carbon	33 hr
Dec 8, 2:20 AM MST	Winter Weather Advisory	RIW	Fremont, Johnson, Lincoln, Natrona, Sweetwater	57 hr
Dec 8, 2:15 PM MST	Winter Weather Advisory	CYS	Albany, Carbon, Converse, Laramie, Platte	49 hr
Dec 8, 3:35 PM MST	Winter Weather Advisory	SLC	Uinta	48 hr
Dec 9, 2:10 AM MST	Winter Weather Advisory	UNR	Campbell, Crook, Weston	36 hr
Dec 11, 2:29 AM MST	Winter Weather Advisory	UNR	Campbell, Weston	37 hr
Dec 11, 1:15 PM MST	Winter Weather Advisory	RIW	Fremont, Lincoln, Park, Sublette, Teton	30 hr
Dec 13, 1:50 PM MST	Winter Weather Advisory	RIW	Fremont, Lincoln, Park, Sublette, Teton	48 hr
Dec 13, 2:37 PM MST	Winter Weather Advisory	BYZ	Sheridan	50 hr
Dec 13, 3:55 PM MST	Winter Weather Advisory	SLC	Uinta	43 hr
Dec 14, 1:45 PM MST	Winter Weather Advisory	UNR	Campbell, Crook, Weston	30 hr
Dec 14, 2:09 PM MST	Winter Weather Advisory	CYS	Albany, Carbon	37 hr
Dec 15, 3:44 PM MST	Winter Weather Advisory	RIW	Fremont, Lincoln, Park, Sublette, Teton	43 hr
Dec 16, 3:23 AM MST	Winter Weather Advisory	CYS	Albany, Carbon	29 hr
Dec 18, 2:41 PM MST	Winter Weather Advisory	BYZ	Sheridan	44 hr
Dec 22, 1:56 PM MST	Winter Weather Advisory	RIW	Sweetwater	12 hr
Dec 22, 2:18 PM MST	Winter Weather Advisory	SLC	Uinta	66 hr
Dec 23, 1:44 AM MST	Winter Weather Advisory	RIW	Fremont, Lincoln, Sublette, Sweetwater	25 hr
Dec 24, 2:14 AM MST	Winter Weather Advisory	RIW	Lincoln, Teton	21 hr
Dec 25, 2:13 AM MST	Winter Weather Advisory	SLC	Uinta	34 hr
Dec 25, 2:42 AM MST	Winter Weather Advisory	CYS	Albany, Laramie	8 hr
Dec 25, 2:58 AM MST	Winter Weather Advisory	RIW	Fremont, Hot Springs, Lincoln, Park, Sublette, Teton	38 hr
Dec 26, 12:12 PM MST	Winter Weather Advisory	SLC	Uinta	2 hr
Dec 26, 3:49 PM MST	Winter Weather Advisory	SLC	Uinta	52 hr
Dec 26, 7:55 PM MST	Winter Weather Advisory	RIW	Fremont, Lincoln, Sublette, Teton	24 hr
Dec 28, 3:42 PM MST	Winter Weather Advisory	SLC	Uinta	4 days
Dec 29, 1:46 AM MST	Winter Weather Advisory	RIW	Fremont, Lincoln, Park, Sublette, Teton	50 hr
Dec 30, 12:30 PM MST	Winter Weather Advisory	BYZ	Sheridan	27 hr
Dec 30, 2:10 PM MST	Winter Weather Advisory	CYS	Albany, Carbon, Laramie, Platte	36 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 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. Warning verification from the Mesonet's Cow. Rebuilt daily.