Winter Storm Warnings
December 26 2025
* WHAT...Snow expected. Total snow accumulations between 6 and 10
inches, with isolated amounts 10 to 15 inches at the highest
elevations. Winds gusting as high as 45 mph.
* WHERE...Wind River Mountains West, Absaroka Mountains, Teton and
Gros Ventre Mountains, and Salt River and Wyoming Ranges.
* WHEN...Until 11 PM MST this evening.
* IMPACTS...Travel could be very difficult, especially across
mountain passes.
* ADDITIONAL DETAILS...Snow totals up to 6 inches on South Pass, 5
to 10 inches on Togwotee Pass, and 5 to 10 inches on Teton Pass.
* WHAT...Snow expected. Total snow accumulations between 2 and 6
inches across the lower elevations, and totals 6 to 10 inches
across the higher elevations. Winds gusting as high as 45 mph.
* WHERE...Yellowstone National Park.
* WHEN...Until 11 PM MST this evening.
* IMPACTS...Travel will be difficult in the backcountry.
* ADDITIONAL DETAILS...Locally higher amounts 12 to 20 inches over
the Madison and Pitchstone Plateaus of southwest Yellowstone. Snow
totals of half an inch to 3 inches around Mammoth.
* WHAT...Snow expected. Total snow accumulations between 2 and 5
inches. Winds gusting as high as 40 mph.
* WHERE...Southwest Carbon County and Upper North Platte River Basin.
* WHEN...From midnight tonight to midnight MST Saturday Night.
* IMPACTS...Plan on slippery road conditions.
* WHAT...Snow expected. Total snow accumulations between 6 and 10
inches. Higher amounts will be possible on the peaks. Winds
gusting as high as 55 mph.
* WHERE...Snowy Range.
* WHEN...From midnight tonight to midnight MST Saturday Night.
* IMPACTS...Outdoor recreation could become dangerous to those
caught unprepared for hazardous winter conditions. Hunters,
hikers, and snowmobilers may become disoriented and lost due to
low visibility in falling and blowing snow. Travel could be very
difficult. Strong winds could cause tree damage.
* WHAT...Heavy snow expected. Total snow accumulations between 12
and 18 inches with higher amounts possible on the peaks. Winds
gusting as high as 45 mph.
* WHERE...Sierra Madre Range.
* WHEN...From midnight tonight to 5 AM MST Sunday.
* IMPACTS...Visibilities may drop below 1/4 mile due to falling and
blowing snow. 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. Travel could be very difficult to
impossible. Gusty winds could bring down tree branches.
* WHAT...Snow expected. Total snow accumulations between 2 and 4
inches. Winds gusting as high as 50 mph.
* WHERE...North Snowy Range Foothills including Arlington and Elk
Mountain along Interstate 80.
* WHEN...From midnight tonight to midnight MST Saturday Night.
* IMPACTS...Areas of blowing snow could reduce visibility and lead
to slick road conditions. Plan on slippery road conditions. Gusty
winds could bring down tree branches.
* WHAT...Southwest winds 30 to 40 mph with gusts up to 65 mph
expected.
* WHERE...North Snowy Range Foothills including Arlington and Elk
Mountain along Interstate 80.
* WHEN...Until 2 AM MST Saturday.
* IMPACTS...Mainly to transportation. Strong cross winds will be
hazardous to light weight or high profile vehicles, including
campers and tractor trailers.
* ADDITIONAL DETAILS...Occasional lulls in the strong winds are
expected, but the timing and duration of these potential lulls is
uncertain.
* WHAT...West winds 30 to 40 mph with gusts up to 65 mph.
* WHERE...Bordeaux area along Interstate 25 between Chugwater and
Wheatland.
* WHEN...Until 11 AM MST this morning.
* IMPACTS...Mainly to transportation. Strong cross winds will be
hazardous to light weight or high profile vehicles, including
campers and tractor trailers.
Residents of Wyoming are urged to exercise caution as multiple winter weather advisories are in effect across the state. The National Weather Service in Riverton has issued advisories anticipating snow accumulations of 6 to 10 inches, with localized amounts up to 15 inches at higher elevations, and winds gusting up to 45 mph in the Wind River Mountains West, Absaroka Mountains, Teton and Gros Ventre Mountains, Salt River, and Wyoming Ranges, including Yellowstone National Park, until 11 PM MST tonight. Additionally, high wind warnings with gusts up to 65 mph are expected to impact transportation, especially along Interstate 80 in the North Snowy Range Foothills and Interstate 25 in the Bordeaux area. The Snowy Range and Sierra Madre Range could see significant snowfall up to 18 inches with life-threatening conditions for outdoor activities, while the North Snowy Range Foothills may experience reduced visibility and slick roads due to blowing snow, impacting travel on Interstate 80. Residents, especially those in Arlington, Elk Mountain, and areas involved in outdoor activities, should prepare for hazardous conditions and plan travel accordingly.
Avalanche Conditions