Hazard Report Provided By forecast.weather.gov

Hazardous Weather Outlook
National Weather Service Riverton WY
133 AM MST Tue Dec 23 2025

WYZ001>020-022>030-241245-
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-
133 AM MST Tue Dec 23 2025

This Hazardous Weather Outlook is for Western and Central Wyoming.

.DAY ONE...Today and Tonight.

Above normal, possibly record high, temperatures continue east of
the Divide and southern portions.

Southwest winds, with gusts of 30 to 40 mph, will be occur over the
Wind Corridor (eastern Sweetwater County to southern Johnson County)
and the east slopes of the Wind River, Absaroka and Bighorn
Mountains. Locally higher gusts up to 55 mph possible in the more
wind prone locations.

.DAYS TWO THROUGH SEVEN...Christmas Eve through Monday.

Christmas Eve...Above normal, possibly record high, temperatures
continue east of the Divide and southern portions. Southwest winds,
with gusts of 40 to 50 mph, will be occur over the Wind Corridor
and the east slopes of the Wind River, Absaroka and Bighorn
Mountains. Locally higher gusts up to 65 mph possible in the more
wind prone locations.

Christmas Eve Night and Christmas Day...Valley rain and mountain snow
above 8000ft over western portions. Rainfall amounts of 0.40 to
0.70" and snowfall amounts of 8 to 16 inches. Wind gusts around 60
mph from South Pass to portions of Natrona County including the
Casper area. Above normal, temperatures will remain possible for
areas east of the Divide.

Friday...Colder temperatures returning, with rain changing over to
snow late Thursday night/early Friday morning. Snow to a rain/snow
mix possible across southern portions of the forecast area.

.SPOTTER INFORMATION STATEMENT...

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

$$

Hazard Report Provided By forecast.weather.gov