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 - WEATHER MESSAGE
National Weather Service Riverton WY
141 AM MDT Thu Mar 12 2026

WYZ004-006-130000-
/O.CON.KRIW.HW.W.0008.260312T1500Z-260313T0300Z/
North Bighorn Basin-Southeast Bighorn Basin-
Including the cities of Ten Sleep, Greybull, Worland, Shell,
Powell, Basin, and Lovell
141 AM MDT Thu Mar 12 2026

...HIGH WIND WARNING REMAINS IN EFFECT FROM 9 AM THIS MORNING TO 9
PM MDT THIS EVENING...

* WHAT...West winds 30 to 40 mph with gusts up to 65 mph expected.

* WHERE...Southeast Bighorn Basin and North Bighorn Basin.

* WHEN...From 9 AM this morning to 9 PM MDT this evening.

* IMPACTS...Travel could be difficult, especially for high profile
  vehicles.

* ADDITIONAL DETAILS...Strongest winds are most likely Thursday
  afternoon.

$$

Hazard Report Provided By forecast.weather.gov