Hazard Report Provided By forecast.weather.gov

Hazardous Weather Outlook
National Weather Service Riverton WY
319 AM MDT Thu Mar 12 2026

WYZ001>020-022>030-131330-
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-
319 AM MDT Thu Mar 12 2026

...High Wind Warnings in Effect for Much of the Region Through
Thursday Evening...

...Winter Weather Advisory in Effect for the Northwest Mountains
through Thursday Evening...

This Hazardous Weather Outlook is for Western and Central Wyoming.

.DAY ONE...Today and tonight.

Widespread wind gusts 40 to 60 mph with localized gusts 60 to around
70 mph east of the Continental Divide. The combination of snow and
wind creates hazardous travel conditions over the western mountain
passes.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday.

Friday through Saturday Night...Widespread wind gusts 35 to 50 mph
across most of the region. Another round of heavier snow arrives by
Friday afternoon and persists through Saturday night. Passage of a
cold front Saturday night could lead to light snowfall across lower
elevations east of the Continental Divide after sunset Saturday.

.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
233 PM MDT Thu Mar 12 2026

WYZ012-130600-
/O.CON.KRIW.WW.Y.0012.000000T0000Z-260313T0600Z/
Teton and Gros Ventre Mountains-
233 PM MDT Thu Mar 12 2026

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT MDT
TONIGHT...

* WHAT...Snow. Additional snow accumulations of 2 to 4 inches,
  mainly above 9000 ft. Winds gusting as high as 55 mph.

* WHERE...Teton and Gros Ventre Mountains.

* WHEN...Until midnight MDT tonight.

* IMPACTS...Travel could be difficult. The wintry conditions will
  impact the evening commutes over Teton and Togwotee Passes.

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/ .

VandenBoogart

Hazard Report Provided By forecast.weather.gov