Winter Weather Advisory

URGENT - WINTER WEATHER MESSAGE
National Weather Service Riverton WY
213 PM MST Tue Dec 9 2025

WYZ014-015-101400-
/O.CON.KRIW.WW.Y.0036.000000T0000Z-251211T0000Z/
Wind River Mountains West-Wind River Mountains East-
213 PM MST Tue Dec 9 2025

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 PM MST
WEDNESDAY...

* WHAT...Heavy snow. Additional snow accumulations of 6 to 12 inches
  possible. Less than 1 inch of snow is expected for South Pass.
  Winds could gust as high as 60 to 70 mph. Locally stronger gusts
  are possible.

* WHERE...Wind River Mountains.

* WHEN...Until 5 PM MST Wednesday.

* IMPACTS...Travel could be very difficult. Backcountry travel is
  not advised.

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 .

&&

$$

URGENT - WINTER WEATHER MESSAGE
National Weather Service Riverton WY
213 PM MST Tue Dec 9 2025

WYZ024-101400-
/O.CON.KRIW.WW.Y.0036.000000T0000Z-251211T0000Z/
Salt River and Wyoming Ranges-
213 PM MST Tue Dec 9 2025

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 PM MST
WEDNESDAY...

* WHAT...Snow. Additional snow accumulations of 4 to 10 inches.
  Winds gusting as high as 60 mph.

* WHERE...Salt River and Wyoming Ranges.

* WHEN...Until 5 PM MST Wednesday.

* IMPACTS...Travel could be very difficult including over Salt River
  Pass. Backcountry travel is not advised.

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/ .

McDonald