National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Prolonged Atmospheric River in the Northwest; Snow in the North-Central US

A prolonged atmospheric river will bring heavy rainfall which may lead to widespread urban and river flooding, heavy mountain snow, along with gusty winds to the Pacific Northwest into the northern Rockies through much of the week. A clipper will bring a period of snow across the upper Midwest and the Great Lakes into Tuesday, before a stronger system bring more wintry impacts. Read More >

Hazardous Weather Conditions

Current conditions at

Pinedale, Ralph Wenz Field Airport (KPNA)

Lat: 42.79528°NLon: 109.80694°WElev: 7087.0ft.

Partly Cloudy

23°F

-5°C

Humidity 85%
Wind Speed WNW 4 MPH
Barometer 30.21 in (1023.03 mb)
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Wind Chill18°F (-8°C)
Last update 08 Dec 08:55 PM MST
Extended Forecast for

18 Miles NE Boulder WY

Winter Weather Advisory December 9, 05:00am until December 10, 05:00pm
Click here for hazard details and duration
Winter Weather Advisory

  • Tonight

    Tonight: Scattered snow showers. Widespread blowing snow, mainly after 1am. Mostly cloudy, with a temperature rising to around 25 by 5am. Windy, with a west wind 25 to 33 mph, with gusts as high as 47 mph. Chance of precipitation is 30%.

    Low: 20 °F⇑

    Scattered
    Snow Showers
    and Blowing
    Snow

  • Tuesday

    Tuesday: Snow showers likely, mainly after 11am. Widespread blowing snow. Mostly cloudy, with a high near 26. Very windy, with a west wind 33 to 39 mph, with gusts as high as 55 mph. Chance of precipitation is 60%. New snow accumulation of 2 to 4 inches possible.

    High: 26 °F

    Snow Showers
    Likely and
    Blowing Snow

  • Tuesday Night

    Tuesday Night: Snow showers likely. Mostly cloudy, with a low around 19. Windy, with a west wind 21 to 25 mph, with gusts as high as 36 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.

    Low: 19 °F

    Snow Showers
    Likely and
    Windy

  • Wednesday

    Wednesday: Snow showers likely, mainly before 11am. Mostly cloudy, with a high near 26. Windy, with a west wind 28 to 32 mph, with gusts as high as 45 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.

    High: 26 °F

    Snow Showers
    Likely and
    Windy

  • Wednesday Night

    Wednesday Night: A 30 percent chance of snow showers, mainly before 11pm. Mostly cloudy, with a low around 21. Windy, with a west wind 29 to 33 mph, with gusts as high as 49 mph.

    Low: 21 °F

    Chance Snow
    Showers and
    Windy

  • Thursday

    Thursday: A 20 percent chance of snow showers. Mostly sunny, with a high near 25. Windy, with a west wind 26 to 28 mph, with gusts as high as 44 mph.

    High: 25 °F

    Slight Chance
    Snow Showers
    and Windy

  • Thursday Night

    Thursday Night: A 20 percent chance of snow showers before 11pm. Mostly cloudy, with a low around 20. Windy, with a west wind 23 to 26 mph, with gusts as high as 39 mph.

    Low: 20 °F

    Slight Chance
    Snow Showers
    and Windy

  • Friday

    Friday: Mostly cloudy, with a high near 24. Breezy.

    High: 24 °F

    Mostly Cloudy
    and Breezy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 18. Breezy.

    Low: 18 °F

    Mostly Cloudy
    and Breezy

Detailed Forecast

Tonight
Scattered snow showers. Widespread blowing snow, mainly after 1am. Mostly cloudy, with a temperature rising to around 25 by 5am. Windy, with a west wind 25 to 33 mph, with gusts as high as 47 mph. Chance of precipitation is 30%.
Tuesday
Snow showers likely, mainly after 11am. Widespread blowing snow. Mostly cloudy, with a high near 26. Very windy, with a west wind 33 to 39 mph, with gusts as high as 55 mph. Chance of precipitation is 60%. New snow accumulation of 2 to 4 inches possible.
Tuesday Night
Snow showers likely. Mostly cloudy, with a low around 19. Windy, with a west wind 21 to 25 mph, with gusts as high as 36 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.
Wednesday
Snow showers likely, mainly before 11am. Mostly cloudy, with a high near 26. Windy, with a west wind 28 to 32 mph, with gusts as high as 45 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.
Wednesday Night
A 30 percent chance of snow showers, mainly before 11pm. Mostly cloudy, with a low around 21. Windy, with a west wind 29 to 33 mph, with gusts as high as 49 mph.
Thursday
A 20 percent chance of snow showers. Mostly sunny, with a high near 25. Windy, with a west wind 26 to 28 mph, with gusts as high as 44 mph.
Thursday Night
A 20 percent chance of snow showers before 11pm. Mostly cloudy, with a low around 20. Windy, with a west wind 23 to 26 mph, with gusts as high as 39 mph.
Friday
Mostly cloudy, with a high near 24. Breezy.
Friday Night
Mostly cloudy, with a low around 18. Breezy.
Saturday
Mostly sunny, with a high near 26. Breezy.
Saturday Night
Partly cloudy, with a low around 17.
Sunday
Mostly sunny, with a high near 24. Breezy.
Sunday Night
Mostly cloudy, with a low around 14. Breezy.
Monday
Partly sunny, with a high near 22. Breezy.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
18 Miles NE Boulder WY
 42.88°N 109.34°W (Elev. 11276 ft)
Last Update:
7:48 pm MST Dec 8, 2025
Forecast Valid:
9pm MST Dec 8, 2025-6pm MST Dec 15, 2025
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation