Hazard Report Provided By forecast.weather.gov

Hazardous Weather Outlook
National Weather Service Riverton WY
313 AM MDT Wed Apr 1 2026

WYZ001>020-022>030-021300-
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-
313 AM MDT Wed Apr 1 2026

...Winter Storm Watch for the western mountains from later
Wednesday night through Friday...

...Winter Storm Watch for the Bighorns from Thursday night through
Friday...

This Hazardous Weather Outlook is for Western and Central Wyoming.

.DAY ONE...Today and tonight.

Unsettled weather with rain and snow showers and even isolated
thunder.

Steadier and heavier snow moves into western Wyoming tonight.
Please see forecasts and Winter Storm Watches for details.

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

Thursday and Friday...Unsettled with chance for snow in the
western mountains through the period, moving to the lower
elevations and East of the Divide Thursday night into Friday.
Again, please see forecasts and Winter Storm Watches for details.

.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
147 AM MDT Wed Apr 1 2026

WYZ014-015-024-020000-
/O.NEW.KRIW.WS.A.0004.260402T0500Z-260404T0000Z/
Wind River Mountains West-Wind River Mountains East-Salt River
and Wyoming Ranges-
147 AM MDT Wed Apr 1 2026

...WINTER STORM WATCH IN EFFECT FROM THIS EVENING THROUGH FRIDAY
AFTERNOON...

* WHAT...Heavy snow possible. Total snow accumulations between 10
  and 16 inches possible. Winds could gust as high as 50 mph.

* WHERE...Wind River Mountains East, Wind River Mountains West, and
  Salt River and Wyoming Ranges.

* WHEN...From this evening through Friday afternoon.

* IMPACTS...Travel could be very difficult, including over South
  Pass.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Monitor the latest forecasts for updates on this situation.

&&

$$

Hazard Report Provided By forecast.weather.gov