Alert archive / Wyoming / Winter Storm Warnings
Winter Storm Warnings in Wyoming, 2020
46 winter storm warnings in 2020. 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 2020. Tap one for its archive.
- Winter Storm Warnings
- 46
- Busiest month
- February14 winter storm warnings
- Busiest day
- February 1, 20205 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 10, 2:31 PM MST | Winter Storm Warning | CYS | Carbon | 3 days |
| Jan 12, 9:58 AM MST | Winter Storm Warning | RIW | Fremont, Lincoln, Sublette, Teton | 19 hr |
| Feb 1, 1:50 PM MST | Winter Storm Warning | RIW | Big Horn, Fremont, Hot Springs, Johnson, Lincoln, Natrona and 4 more | 63 hr |
| Feb 1, 2:01 PM MST | Winter Storm Warning | CYS | Albany, Carbon, Converse, Goshen, Laramie, Niobrara and 1 more | 68 hr |
| Feb 1, 2:15 PM MST | Winter Storm Warning | BYZ | Sheridan | 56 hr |
| Feb 1, 2:16 PM MST | Winter Storm Warning | SLC | Uinta | 62 hr |
| Feb 1, 2:27 PM MST | Winter Storm Warning | UNR | Campbell, Crook, Weston | 57 hr |
| Feb 3, 1:16 PM MST | Winter Storm Warning | CYS | Carbon | 13 hr |
| Feb 5, 3:14 AM MST | Winter Storm Warning | CYS | Albany, Carbon, Laramie | 3 days |
| Feb 5, 3:41 AM MST | Winter Storm Warning | RIW | Big Horn, Fremont, Hot Springs, Johnson, Lincoln, Natrona and 4 more | 55 hr |
| Feb 8, 8:14 AM MST | Winter Storm Warning | CYS | Albany, Carbon | 3 hr |
| Feb 15, 2:13 AM MST | Winter Storm Warning | CYS | Albany, Carbon | 63 hr |
| Feb 15, 3:43 AM MST | Winter Storm Warning | RIW | Fremont, Lincoln, Sublette, Teton | 43 hr |
| Feb 23, 2:01 PM MST | Winter Storm Warning | UNR | Crook, Weston | 48 hr |
| Feb 24, 5:58 PM MST | Winter Storm Warning | CYS | Albany, Converse, Platte | 20 hr |
| Feb 29, 2:05 AM MST | Winter Storm Warning | CYS | Albany, Carbon, Converse, Laramie, Platte | 45 hr |
| Mar 13, 1:52 PM MDT | Winter Storm Warning | RIW | Fremont, Lincoln, Park, Sublette, Teton | 52 hr |
| Mar 17, 4:20 AM MDT | Winter Storm Warning | CYS | Albany, Carbon | 58 hr |
| Mar 25, 2:03 PM MDT | Winter Storm Warning | CYS | Albany, Carbon, Laramie | 52 hr |
| Mar 30, 1:45 AM MDT | Winter Storm Warning | RIW | Fremont, Lincoln, Sublette, Teton | 45 hr |
| Mar 30, 2:39 PM MDT | Winter Storm Warning | BYZ | Sheridan | 69 hr |
| Apr 1, 3:48 AM MDT | Winter Storm Warning | UNR | Campbell, Crook, Weston | 31 hr |
| Apr 1, 3:13 PM MDT | Winter Storm Warning | CYS | Albany, Carbon, Converse, Niobrara, Platte | 27 hr |
| Apr 10, 3:01 AM MDT | Winter Storm Warning | BYZ | Sheridan | 56 hr |
| Apr 10, 2:35 PM MDT | Winter Storm Warning | UNR | Campbell, Crook, Weston | 42 hr |
| Apr 10, 2:44 PM MDT | Winter Storm Warning | CYS | Albany, Converse, Niobrara, Platte | 39 hr |
| Apr 11, 2:31 AM MDT | Winter Storm Warning | RIW | Big Horn, Fremont, Johnson, Natrona, Sublette, Sweetwater and 1 more | 35 hr |
| Apr 14, 2:31 PM MDT | Winter Storm Warning | CYS | Albany, Carbon, Converse, Goshen, Laramie, Platte | 54 hr |
| Apr 15, 2:30 AM MDT | Winter Storm Warning | RIW | Fremont, Sublette | 34 hr |
| Apr 22, 1:33 PM MDT | Winter Storm Warning | CYS | Albany, Carbon | 45 hr |
| Jun 8, 9:19 PM MDT | Winter Storm Warning | CYS | Albany, Laramie | 12 hr |
| Sep 7, 2:37 AM MDT | Winter Storm Warning | UNR | Crook, Weston | 28 hr |
| Sep 7, 3:15 AM MDT | Winter Storm Warning | BYZ | Sheridan | 26 hr |
| Sep 7, 4:09 AM MDT | Winter Storm Warning | CYS | Albany, Carbon, Converse, Goshen, Laramie, Niobrara and 1 more | 46 hr |
| Sep 7, 4:34 AM MDT | Winter Storm Warning | RIW | Big Horn, Fremont, Hot Springs, Johnson, Natrona, Park and 3 more | 37 hr |
| Oct 21, 4:34 AM MDT | Winter Storm Warning | BYZ | Sheridan | 37 hr |
| Oct 23, 3:58 AM MDT | Winter Storm Warning | BYZ | Sheridan | 50 hr |
| Oct 23, 4:23 AM MDT | Winter Storm Warning | RIW | Fremont, Lincoln, Sublette, Teton | 50 hr |
| Oct 23, 2:05 PM MDT | Winter Storm Warning | UNR | Crook, Weston | 44 hr |
| Oct 24, 4:22 AM MDT | Winter Storm Warning | CYS | Albany, Carbon, Goshen, Laramie, Platte | 46 hr |
| Nov 11, 1:06 AM MST | Winter Storm Warning | RIW | Fremont, Lincoln, Sublette, Teton | 21 hr |
| Nov 12, 2:41 PM MST | Winter Storm Warning | RIW | Fremont, Lincoln, Park, Sublette, Teton | 48 hr |
| Nov 13, 1:20 AM MST | Winter Storm Warning | CYS | Albany, Carbon | 46 hr |
| Dec 22, 1:25 PM MST | Winter Storm Warning | UNR | Crook, Weston | 19 hr |
| Dec 25, 12:42 PM MST | Winter Storm Warning | RIW | Fremont, Lincoln, Sublette, Teton | 41 hr |
| Dec 28, 1:17 AM MST | Winter Storm Warning | CYS | Albany, Carbon, Laramie | 39 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Albany County17
- Carbon County16
- Fremont County13
- Sublette County13
- Lincoln County10
- Teton County9
- Laramie County9
- Platte County8
- Converse County7
- Crook County7
- Weston County7
- Sheridan County6
- Park County5
- Big Horn County4
- Johnson County4
- Natrona County4
- Washakie County4
- Goshen County4
- Niobrara County4
- Hot Springs County3
- Sweetwater County3
- Campbell County3
- Uinta County1
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive20192021
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.