Hazard Report Provided By forecast.weather.gov

Hazardous Weather Outlook
National Weather Service Riverton WY
352 AM MDT Fri Mar 13 2026

WYZ001>020-022>030-141400-
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-
352 AM MDT Fri Mar 13 2026

...WINTER STORM WATCH IN EFFECT FOR YELLOWSTONE...THE
ABSAROKA...TETON...GROS VENTRE AND BIGHORN MOUNTAINS...FROM SATURDAY
MORNING THROUGH SATURDAY EVENING...

...HIGH WIND WATCH IN EFFECT FOR THE WIND RIVER BASIN...THE EAST
SLOPES OF THE WIND RIVER MOUNTAINS AND PORTIONS OF NATRONA COUNTY FROM
SATURDAY MORNING THROUGH SATURDAY EVENING...

This Hazardous Weather Outlook is for Western and Central Wyoming.

.DAY ONE...Today and tonight.

Winds are not expected to be as strong as yesterday, however gusts
of 40 to 55 mph are expected to occur. High winds over 70 mph look to
occur off the Washakie Needles (southern end of the Absaroka
Mountains) and the east slopes of the Wind River Mountains. There is
a 60% chance of Cody and Casper reaching 60 mph. This could be an
isolated gust that will likely occur between 3PM and 6PM.

Light snow will occur over the northwestern mountains today and
tonight, with accumulations of 3 to 6 inches for most locations.
Locally higher amounts up to 12 inches expected over the western
slopes of the Absarokas.

.DAYS TWO THROUGH SEVEN...Saturday through Thursday.

Saturday through Saturday Night...Widespread wind gusts 35 to 50 mph
across most of the region. Higher gusts up to 60 mph expected over
central portions. Another round of heavier snow arrives Saturday
morning and persists through Saturday night. The passage of a cold
front Saturday night will lead to light snowfall across lower
elevations east of the Continental Divide after sunset Saturday.

Sunday...Temperatures will be 10 to 30 degrees colder, in the 20s and
30s. Wind gusts of 25 to 35 mph will occur across areas west of the
Divide.

Tuesday through Thursday...Above normal to near-record temperatures
expected, with readings in the 80s for some areas east of the Divide
Wednesday and Thursday.

.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
212 AM MDT Fri Mar 13 2026

WYZ002-012-132315-
/O.NEW.KRIW.WS.A.0003.260314T1200Z-260315T0500Z/
Absaroka Mountains-Teton and Gros Ventre Mountains-
212 AM MDT Fri Mar 13 2026

...WINTER STORM WATCH IN EFFECT FROM SATURDAY MORNING THROUGH
SATURDAY EVENING...

* WHAT...Heavy snow possible. Total snow accumulations between 10
  and 15 inches possible, with locally higher amounts up to 20
  inches over the western slopes of the Absarokas. Winds could gust
  as high as 70 mph on the eastern slopes, especially toward the
  Washakie Needles.

* WHERE...Absaroka Mountains and Teton and Gros Ventre Mountains.

* WHEN...From Saturday morning through Saturday evening.

* IMPACTS...Travel could be very difficult.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Monitor the latest forecasts for updates on this situation.

&&

$$

Hazard Report Provided By forecast.weather.gov