Alert archive / Wyoming / Winter Storm Warnings
Winter Storm Warnings in Wyoming, 2021
46 winter storm warnings 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 storm warnings reaches back to 2005.
Winter Storm Warnings by county
Each county as a circle sized by its count in 2021. Tap one for its archive.
- Winter Storm Warnings
- 46
- Busiest month
- February10 winter storm warnings
- Busiest day
- March 9, 20213 winter storm warnings
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 4, 2:53 AM MST | Winter Storm Warning | RIW | Fremont, Lincoln, Sublette, Teton | 33 hr |
| Jan 4, 1:09 PM MST | Winter Storm Warning | CYS | Albany, Carbon | 28 hr |
| Jan 17, 1:39 AM MST | Winter Storm Warning | UNR | Crook, Weston | 39 hr |
| Jan 22, 3:22 AM MST | Winter Storm Warning | CYS | Albany, Carbon | 47 hr |
| Feb 2, 12:43 PM MST | Winter Storm Warning | CYS | Albany, Carbon | 46 hr |
| Feb 4, 9:28 AM MST | Winter Storm Warning | BYZ | Sheridan | 3 days |
| Feb 4, 3:05 PM MST | Winter Storm Warning | CYS | Albany, Carbon | 41 hr |
| Feb 5, 1:30 AM MST | Winter Storm Warning | RIW | Fremont, Lincoln, Sublette, Teton | 17 hr |
| Feb 10, 3:30 PM MST | Winter Storm Warning | CYS | Albany, Carbon, Converse, Goshen, Laramie, Niobrara and 1 more | 4 days |
| Feb 10, 3:43 PM MST | Winter Storm Warning | RIW | Fremont, Lincoln, Sublette, Teton | 3 days |
| Feb 15, 10:48 AM MST | Winter Storm Warning | CYS | Albany, Carbon | 42 hr |
| Feb 17, 12:06 PM MST | Winter Storm Warning | CYS | Albany, Laramie | 15 hr |
| Feb 20, 7:20 AM MST | Winter Storm Warning | RIW | Fremont, Lincoln, Sublette, Teton | 11 hr |
| Feb 25, 2:52 AM MST | Winter Storm Warning | RIW | Fremont, Lincoln, Sublette, Teton | 51 hr |
| Mar 9, 1:25 AM MST | Winter Storm Warning | CYS | Albany, Carbon, Converse, Niobrara | 40 hr |
| Mar 9, 2:08 AM MST | Winter Storm Warning | UNR | Campbell, Weston | 39 hr |
| Mar 9, 3:09 AM MST | Winter Storm Warning | RIW | Johnson, Natrona | 38 hr |
| Mar 11, 2:31 PM MST | Winter Storm Warning | CYS | Albany, Carbon, Converse, Goshen, Laramie, Niobrara and 1 more | 3 days |
| Mar 12, 1:39 PM MST | Winter Storm Warning | RIW | Fremont, Johnson, Natrona, Sublette, Sweetwater, Washakie | 54 hr |
| Mar 12, 1:44 PM MST | Winter Storm Warning | UNR | Campbell, Crook, Weston | 66 hr |
| Mar 12, 2:09 PM MST | Winter Storm Warning | SLC | Uinta | 51 hr |
| Apr 5, 1:58 PM MDT | Winter Storm Warning | UNR | Crook, Weston | 36 hr |
| Apr 6, 7:17 PM MDT | Winter Storm Warning | CYS | Niobrara | 14 hr |
| Apr 13, 3:12 AM MDT | Winter Storm Warning | CYS | Albany, Carbon, Goshen, Laramie, Platte | 3 days |
| Apr 13, 3:37 PM MDT | Winter Storm Warning | RIW | Fremont, Lincoln, Natrona, Sublette, Sweetwater | 56 hr |
| Apr 17, 3:31 PM MDT | Winter Storm Warning | BYZ | Sheridan | 45 hr |
| Apr 18, 2:32 AM MDT | Winter Storm Warning | UNR | Crook, Weston | 33 hr |
| Apr 18, 3:15 AM MDT | Winter Storm Warning | RIW | Big Horn, Fremont, Johnson, Natrona, Washakie | 42 hr |
| Apr 18, 6:34 PM MDT | Winter Storm Warning | CYS | Albany, Laramie | 32 hr |
| Apr 27, 2:34 AM MDT | Winter Storm Warning | CYS | Albany, Carbon | 27 hr |
| May 2, 3:38 AM MDT | Winter Storm Warning | CYS | Albany, Carbon | 35 hr |
| May 9, 1:28 PM MDT | Winter Storm Warning | CYS | Albany, Carbon, Laramie | 47 hr |
| Oct 10, 2:47 PM MDT | Winter Storm Warning | BYZ | Sheridan | 3 days |
| Oct 10, 4:03 PM MDT | Winter Storm Warning | RIW | Big Horn, Fremont, Hot Springs, Johnson, Natrona, Park and 4 more | 68 hr |
| Oct 11, 3:24 AM MDT | Winter Storm Warning | CYS | Albany, Carbon, Converse, Laramie, Niobrara, Platte | 57 hr |
| Oct 11, 3:07 PM MDT | Winter Storm Warning | UNR | Campbell, Crook, Weston | 51 hr |
| Oct 18, 3:53 AM MDT | Winter Storm Warning | RIW | Big Horn, Fremont, Johnson, Natrona, Sublette, Washakie | 43 hr |
| Oct 18, 4:01 AM MDT | Winter Storm Warning | CYS | Albany, Converse, Platte | 50 hr |
| Oct 18, 1:40 PM MDT | Winter Storm Warning | UNR | Campbell | 25 hr |
| Dec 8, 10:37 AM MST | Winter Storm Warning | CYS | Albany, Carbon, Converse, Goshen, Laramie, Niobrara and 1 more | 52 hr |
| Dec 9, 2:10 AM MST | Winter Storm Warning | UNR | Weston | 39 hr |
| Dec 22, 3:12 AM MST | Winter Storm Warning | SLC | Uinta | 3 days |
| Dec 22, 1:55 PM MST | Winter Storm Warning | CYS | Albany, Carbon | 69 hr |
| Dec 22, 1:56 PM MST | Winter Storm Warning | RIW | Fremont, Hot Springs, Lincoln, Park, Sublette, Sweetwater and 1 more | 57 hr |
| Dec 25, 12:50 PM MST | Winter Storm Warning | CYS | Albany, Carbon | 67 hr |
| Dec 29, 2:17 AM MST | Winter Storm Warning | CYS | Albany, Carbon | 72 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Albany County20
- Carbon County17
- Fremont County11
- Sublette County10
- Laramie County8
- Lincoln County7
- Teton County7
- Weston County7
- Converse County6
- Niobrara County6
- Platte County6
- Natrona County6
- Crook County5
- Johnson County5
- Goshen County4
- Campbell County4
- Sweetwater County4
- Washakie County4
- Sheridan County3
- Big Horn County3
- Uinta County2
- Hot Springs County2
- Park County2
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive20202022
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.