Winter Storm Warnings
December 5 2025
* WHAT...Heavy snow expected. Total snow accumulations between 1 and
2 feet. Higher amounts possible above 10000 feet. Winds gusting as
high as 65 mph will lead to blowing snow and reduced visibility.
* WHERE...Sierra Madre Range and Snowy Range.
* WHEN...From 11 PM this evening to 5 AM MST Sunday.
* IMPACTS...Outdoor recreation could become life threatening to
those caught unprepared for severe winter conditions. Hikers and
snowmobilers may easily become disoriented. Frostbite and
hypothermia can develop quickly. Widespread blowing snow could
significantly reduce visibility and lead to dangerous travel
conditions. Travel could be very difficult to impossible. Very
strong winds could cause tree damage.
* WHAT...Snow expected. Total snow accumulations between 5 and 10
inches, with locally higher amounts of 12 to 16 inches in the
foothill areas.
* WHERE...Jackson Hole and Star Valley.
* WHEN...From 5 PM this afternoon to 2 PM MST Saturday.
* IMPACTS...Travel could be very difficult. The hazardous conditions
could impact the Thursday evening and Friday morning commutes.
* WHAT...Snow expected. Total snow accumulations of 10 to 18 inches
from Cloud Peak and Granite Pass northward. Minimal snowfall
amounts south of Powder River Pass.
* WHERE...Bighorn Mountains West.
* WHEN...From 5 PM this afternoon to 2 PM MST Saturday.
* IMPACTS...Travel could be very difficult over Granite and Powder
River Passes. The hazardous conditions could impact the Thursday
evening and Friday morning commutes.
* WHAT...Snow expected. Total snow accumulations 6 to 9 inches
toward Bondurant/Hoback Junction; amounts of 2 to 4 inches near
Pinedale. Accumulations of 10 to 18 inches in the mountains. Winds
gusting as high as 45 mph over South Pass Friday night.
* WHERE...Wind River Mountains West and Upper Green River Basin
Foothills.
* WHEN...From 5 PM this afternoon to 2 PM MST Saturday.
* IMPACTS...Travel could be very difficult through Hoback Junction.
The hazardous conditions could impact the Thursday evening and
Friday morning commutes.
* WHAT...Heavy snow expected. Total snow accumulations of 12 to 20
inches across much of the area with the highest elevations seeing
2 to 3 feet. Gusty winds of 25 to 40 mph will be common. Higher
elevations of the Salt River and Wyoming Ranges could gust above
45 mph.
* WHERE...Teton and Gros Ventre Mountains and Salt River and Wyoming
Ranges.
* WHEN...From 5 PM this afternoon to 2 PM MST Saturday.
* IMPACTS...Travel could be very difficult, especially over Teton,
Togwotee, and Salt River Passes. The hazardous conditions could
impact the Friday morning and evening commutes.
* ADDITIONAL DETAILS...A brief lull in snowfall rates may occur
during the day Friday with the heaviest snowfall likely to arrive
Friday night through Saturday morning. Gusty winds of 20 to 30 mph
look to accompany the heavy snowfall which may create reduced
visibility and drifting snow.
* WHAT...Snow expected. Total snow accumulations of 4 to 8 inches;
accumulations of 10 to 15 inches at the South and Northeast
entrances and near Pahaska; locally higher amounts of 20 to 30
inches in the higher elevations in the Pitchstone Plateau and the
western slopes of the Absarokas. Winds gusting as high as 45 mph
over the Absarokas through the period. Gusts as high as 35 mph in
Yellowstone NP Friday night.
* WHERE...Absaroka Mountains and Yellowstone National Park.
* WHEN...From 5 PM this afternoon to 2 PM MST Saturday.
* IMPACTS...Travel could be very difficult. The hazardous conditions
could impact the Thursday evening and Friday morning commutes.
* WHAT...West winds 30 to 40 mph with gusts up to 65 mph expected.
* WHERE...Bordeaux area along Interstate 25 between Chugwater and
Wheatland.
* WHEN...Until 6 AM MST Friday.
* IMPACTS...Mainly to transportation. Strong cross winds will be
hazardous to light weight or high profile vehicles, including
campers and tractor trailers.
* ADDITIONAL DETAILS...A brief lull in the strong winds is possible
Thursday afternoon before winds pick up again Thursday evening.
* WHAT...West winds 30 to 40 mph with gusts up to 65 mph expected.
* WHERE...South Laramie Range including the Interstate 80 Summit
between Cheyenne and Laramie, and North Snowy Range Foothills
including Arlington and Elk Mountain along Interstate 80.
* WHEN...Until noon MST Friday.
* IMPACTS...Mainly to transportation. Strong cross winds will be
hazardous to light weight or high profile vehicles, including
campers and tractor trailers. In addition, areas of blowing snow
could lead to reduced visibility and slick roads.
* ADDITIONAL DETAILS...A brief lull in the strong winds is possible
Thursday afternoon before winds pick up again Thursday evening.
