Winter Storm Warnings
December 22 2025
* WHAT...Heavy snow. Additional snow accumulations of 4 to 8 inches.
Locally higher amounts up to 16 inches. Winds gusting as high as
70 mph over South Pass/Red Canyon through 2PM.
* WHERE...Wind River Mountains East and Wind River Mountains West.
* WHEN...Until 5 PM MST this afternoon.
* IMPACTS...Travel could be very difficult. Widespread blowing snow
could significantly reduce visibility. The hazardous conditions
could impact the Monday morning and evening commutes.
* WHAT...Heavy snow. Additional snow accumulations up to 8 inches.
Winds gusting as high as 45 mph, decreasing through the afternoon.
* WHERE...Salt River and Wyoming Ranges.
* WHEN...Until 5 PM MST this afternoon.
* IMPACTS...Travel could be difficult. The hazardous conditions
could impact the Monday morning and evening commutes.
* WHAT...Heavy snow. Additional snow accumulations 4 to 8 inches.
Locally higher amounts up to 15 inches. Winds gusting 35 to 55 mph.
* WHERE...Absaroka Mountains and Yellowstone National Park.
* WHEN...Until 5 PM MST this afternoon.
* IMPACTS...Travel could be very difficult. The hazardous conditions
could impact the Monday morning and evening commutes.
* WHAT...Heavy snow. Additional snow accumulations of 6 to 8 inches.
Locally higher amounts up to 15 inches on the Tetons and Gros
Ventres. Winds gusting 35 to 45 mph, decreasing through the
afternoon.
* WHERE...Teton and Gros Ventre Mountains.
* WHEN...Until 5 PM MST this afternoon.
* IMPACTS...Visibilities may drop below 1/4 mile due to falling and
blowing snow.
The National Weather Service in Cheyenne has issued a Red Flag
Warning, which is in effect from 11 AM this morning to 5 PM MST
this afternoon.
* AFFECTED AREA...Fire weather zone 430.Fire weather zone 431.
* WIND...Sustained winds 25 to 35 mph with gusts in excess of 50
to 60 mph.
* HUMIDITY...RH values as low as 15 to 20%.
* IMPACTS...any fires that develop will likely spread rapidly.
Outdoor burning is not recommended.
* WHAT...West winds 25 to 35 mph with gusts up to 60 mph expected.
* WHERE...Central Laramie County.
* WHEN...From 9 AM this morning to 5 PM MST this afternoon.
* IMPACTS...Mainly to transportation. Strong cross winds will be
hazardous to light weight or high profile vehicles, including
campers and tractor trailers.
* WHAT...Southwest winds 30 to 40 mph with gusts up to 60 mph.
* WHERE...North Snowy Range Foothills including Arlington and Elk
Mountain along Interstate 80, and Central Carbon County.
* WHEN...Until 2 PM MST this afternoon.
* IMPACTS...Mainly to transportation. Strong cross winds will be
hazardous to light weight or high profile vehicles, including
campers and tractor trailers.
* WHAT...West winds 30 to 40 mph with gusts up to 65 mph.
* WHERE...South Laramie Range and Foothills including the Interstate
80 Summit between Cheyenne and Laramie, and Bordeaux area along
Interstate 25 between Chugwater and Wheatland.
* WHEN...Until 5 PM MST this afternoon.
* IMPACTS...Mainly to transportation. Strong cross winds will be
hazardous to light weight or high profile vehicles, including
campers and tractor trailers.
