Hazardous Weather Outlook

Hazardous Weather Outlook
National Weather Service Riverton WY
348 AM MST Sun Dec 7 2025

WYZ001>020-022>030-081400-
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-
348 AM MST Sun Dec 7 2025

...Winter Weather Advisories for the Tetons from 11 am today
through 5 am Monday morning...

This Hazardous Weather Outlook is for Western and Central Wyoming.

.DAY ONE...This Afternoon and Tonight.

Light to moderate snow returning to the western mountains,
steadiest and heaviest after sunset.

.DAYS TWO THROUGH SEVEN...Monday through Saturday.

Monday night through Friday...Several periods of snow likely for
the western mountains. Snow possible East of the Divide starting
Wednesday but details on amounts and timing are still highly
uncertain.

Tuesday through Thursday...Strong to high wind likely across
central and southern Wyoming.

.SPOTTER INFORMATION STATEMENT...

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

$$