Hazard Report Provided By forecast.weather.gov

Hazardous Weather Outlook
National Weather Service Riverton WY
226 AM MST Wed Dec 24 2025

WYZ001>020-022>030-251400-
Yellowstone National Park-Absaroka Mountains-Cody Foothills-
North Bighorn Basin-Southwest Bighorn Basin-Southeast Bighorn Basin-
Owl Creek and Bridger Mountains-Bighorn Mountains West-
Bighorn Mountains Southeast-Northeast Johnson County-
Southeast Johnson County-Teton and Gros Ventre Mountains-
Jackson Hole-Wind River Mountains West-Wind River Mountains East-
Upper Wind River Basin-Wind River Basin-Lander Foothills-
Green Mountains and Rattlesnake Range-
Natrona County Lower Elevations-Casper Mountain-Star Valley-
Salt River and Wyoming Ranges-Upper Green River Basin Foothills-
Upper Green River Basin-South Lincoln County-
Rock Springs and Green River-Flaming Gorge-East Sweetwater County-
226 AM MST Wed Dec 24 2025

...High Wind Warnings are in Effect from South Pass and Muddy Gap
from this evening through Christmas morning...

...Winter Weather Advisories in effect for the Tetons and western
Wind River Range from late this evening through Christmas
afternoon...

This Hazardous Weather Outlook is for Western and Central Wyoming.

.DAY ONE...Today and Tonight.

Tonight...High wind developing from South Pass and Muddy Gap
through Casper. Please see High Wind Warning and forecasts for
details.

Snow spreading back into the western mountains. Please see
forecasts and Winter Weather Advisories for details.

.DAYS TWO THROUGH SEVEN...Christmas Day through Tuesday.

Christmas Day...Snow continuing in the western mountains. Strong
to high wind in central Wyoming, decreasing in the afternoon.

Friday...Another chance of snow in the western mountains. Strong
wind possible in central Wyoming once again.

.SPOTTER INFORMATION STATEMENT...

Weather spotters are encouraged to report significant weather
conditions according to Standard Operating Procedures.

$$

URGENT - WINTER WEATHER MESSAGE
National Weather Service Riverton WY
1216 PM MST Wed Dec 24 2025

WYZ012-014-251415-
/O.CON.KRIW.WW.Y.0039.251225T0600Z-251226T0000Z/
Teton and Gros Ventre Mountains-Wind River Mountains West-
1216 PM MST Wed Dec 24 2025

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 11 PM THIS EVENING
TO 5 PM MST THURSDAY...

* WHAT...Snow expected. Total snow accumulations of 6 to 12 inches.
  Winds gusting as high as 50 mph.

* WHERE...Wind River Mountains West and Teton and Gros Ventre
  Mountains.

* WHEN...From 11 PM this evening to 5 PM MST Thursday.

* IMPACTS...Travel could be difficult, including over Teton and
  Togwotee Passes.

* ADDITIONAL DETAILS...Snow levels will generally be 8500 to 9000
  feet Wednesday night, dropping to around 7000 feet for Thursday
  afternoon. Sharp drops in snow amounts are expected at and below
  snow levels.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling.

For graphical depictions of the snowfall forecast, including the
official NWS forecast, high end amounts, and low end amounts, visit
https://weather.gov/riw/winter .

For winter road conditions from the Wyoming Department of
Transportation, visit https://wyoroad.info .

&&

$$

For more information from the National Weather Service, visit
https://weather.gov/riw/ .

Wittmann

Hazard Report Provided By forecast.weather.gov