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FLUS45 KRIW 010824
HWORIW

Hazardous Weather Outlook
National Weather Service Riverton WY
124 AM MST Mon Dec 1 2025

WYZ001>020-022>030-021230-
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-
124 AM MST Mon Dec 1 2025

...WINTER WEATHER ADVISORY IN EFFECT FROM 11 PM THIS EVENING TO
11 PM MST TUESDAY...

This Hazardous Weather Outlook is for Western and Central Wyoming.

.DAY ONE...Today and Tonight.

Isolated areas of fog/low clouds in the Upper Green River Basin this
morning and possibly the Jackson/Star Valleys.

Snow will develop over northwestern portions between 8pm and 11pm
tonight, with snowfall rates up to 1"/hr possible over the Tetons
through the night. Winds gusting up to 35 mph could make travel
conditions difficult over Teton Pass overnight into Tuesday morning.

.DAYS TWO THROUGH SEVEN...Tuesday through Sunday.

Tuesday...Snow continuing over western portions, with the heavier
snow occurring over the Tetons. Isolated snow showers will be
possible east of the Divide, with chances increasing in the evening
as a cold front progresses southward. Accumulations will stay light
(2 inches or less) over central portions.

Friday and Saturday...Another chance of snow for much of the area,
with western portions likely to have periods of snow through this
timeframe.

.SPOTTER INFORMATION STATEMENT...

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

$$