211
FLUS45 KRIW 030829
HWORIW

Hazardous Weather Outlook
National Weather Service Riverton WY
129 AM MST Wed Dec 3 2025

WYZ001>020-022>030-041230-
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-
129 AM MST Wed Dec 3 2025

This Hazardous Weather Outlook is for Western and Central Wyoming.

.DAY ONE...Today and Tonight.

Areas of blowing snow possible across Interstate 80 through the
morning, as winds subside.

Winds gusts of 35 to 50 mph will be possible late tonight north of
Cody and the Upper Wind River Basin.

Areas of fog will develop over portions of Yellowstone NP tonight,
and possibly spreading into northern portions of the Jackson Valley.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday.

Thursday through Saturday night...Periods of snow will begin over
northwestern portions Thursday afternoon and spreading to far western
portions Thursday night. A break in the snow is possible Friday
afternoon, before starting again Friday night and ending late
Saturday night. Snowfall amounts of 1 to 2 feet is possible in the
western mountains and amounts approaching 12 inches in the
Jackson/Star Valleys over this 3 day period.

.SPOTTER INFORMATION STATEMENT...

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

$$