Prolonged Atmospheric River in the Pacific Northwest; Snow and High Winds from the Upper Midwest into the Northeast

A prolonged atmospheric river will continue to impact the Pacific Northwest into the Northern Rockies with heavy rainfall, areas of urban and river flooding, landslides, heavy mountain snow, and gusty winds into Thursday. A strong clipper system will bring the threat of heavy snow and high winds across the Upper Midwest/Great Lakes as well as portions of the interior Northeast and Appalachians. Read More >

Current conditions at

Dubois Municipal Airport (KDUB)

Lat: 43.5484°NLon: 109.6903°WElev: 7297.0ft.

Overcast

34°F

1°C

Humidity 50%
Wind Speed WNW 20 MPH
Barometer 30.13 in (1020.32 mb)
Dewpoint 17°F (-8°C)
Visibility 10.00 mi
Wind Chill23°F (-5°C)
Last update 09 Dec 10:15 PM MST
Extended Forecast for

17 Miles S Valley WY

Winter Storm Warning December 9, 10:55pm until December 10, 05:00pm
Click here for hazard details and duration
Winter Storm Warning
  •  
    Winter Storm Warning December 9, 10:55pm until December 10, 05:00pm

    NOW until 5:00pm Wed

    Winter Storm Warning

  • Tonight

    Low: 19 °F

    Heavy Snow
    and Blowing
    Snow

  • Wednesday

    Wednesday: Snow showers, mainly before 1pm. The snow could be heavy at times.  Widespread blowing snow, mainly before 11am. High near 34. Very windy, with a west wind 31 to 36 mph, with gusts as high as 49 mph.  Chance of precipitation is 80%. New snow accumulation of 3 to 5 inches possible.

    High: 34 °F

    Heavy Snow
    and Blowing
    Snow

  • Wednesday Night

    Wednesday Night: A 20 percent chance of snow showers before 11pm.  Partly cloudy, with a low around 25. Windy, with a west wind 32 to 34 mph, with gusts as high as 50 mph.

    Low: 25 °F

    Windy. Slight
    Chance Snow
    Showers then
    Partly Cloudy

  • Thursday

    Thursday: A 20 percent chance of snow showers after 11am.  Mostly sunny, with a high near 28. Windy, with a west wind 24 to 32 mph, with gusts as high as 48 mph.

    High: 28 °F

    Slight Chance
    Snow Showers
    and Windy

  • Thursday Night

    Thursday Night: A 30 percent chance of snow showers, mainly after 11pm.  Mostly cloudy, with a low around 24. Windy, with a west wind around 30 mph, with gusts as high as 45 mph.

    Low: 24 °F

    Chance Snow
    Showers and
    Windy

  • Friday

    Friday: A 20 percent chance of snow showers before 11am.  Partly sunny, with a high near 27. Windy, with a west wind 22 to 28 mph, with gusts as high as 41 mph.

    High: 27 °F

    Windy. Slight
    Chance Snow
    Showers then
    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 20. Windy, with a west wind 25 to 30 mph, with gusts as high as 45 mph.

    Low: 20 °F

    Partly Cloudy
    and Windy

  • Saturday

    Saturday: Mostly sunny, with a high near 26. Windy.

    High: 26 °F

    Mostly Sunny
    and Windy

Detailed Forecast

Tonight
Snow showers, mainly after 1am. The snow could be heavy at times. Widespread blowing snow, mainly after 4am. Temperature rising to around 28 by 5am. Windy, with a west wind 23 to 30 mph, with gusts as high as 41 mph. Chance of precipitation is 80%. Total nighttime snow accumulation of 2 to 4 inches possible.
Wednesday
Snow showers, mainly before 1pm. The snow could be heavy at times. Widespread blowing snow, mainly before 11am. High near 34. Very windy, with a west wind 31 to 36 mph, with gusts as high as 49 mph. Chance of precipitation is 80%. New snow accumulation of 3 to 5 inches possible.
Wednesday Night
A 20 percent chance of snow showers before 11pm. Partly cloudy, with a low around 25. Windy, with a west wind 32 to 34 mph, with gusts as high as 50 mph.
Thursday
A 20 percent chance of snow showers after 11am. Mostly sunny, with a high near 28. Windy, with a west wind 24 to 32 mph, with gusts as high as 48 mph.
Thursday Night
A 30 percent chance of snow showers, mainly after 11pm. Mostly cloudy, with a low around 24. Windy, with a west wind around 30 mph, with gusts as high as 45 mph.
Friday
A 20 percent chance of snow showers before 11am. Partly sunny, with a high near 27. Windy, with a west wind 22 to 28 mph, with gusts as high as 41 mph.
Friday Night
Partly cloudy, with a low around 20. Windy, with a west wind 25 to 30 mph, with gusts as high as 45 mph.
Saturday
Mostly sunny, with a high near 26. Windy.
Saturday Night
Mostly clear, with a low around 18. Breezy.
Sunday
Sunny, with a high near 29. Breezy.
Sunday Night
Partly cloudy, with a low around 17. Breezy.
Monday
Mostly sunny, with a high near 26. Breezy.
Monday Night
A slight chance of snow showers. Partly cloudy, with a low around 18. Breezy.
Tuesday
A chance of snow showers. Partly sunny, with a high near 24. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
17 Miles S Valley WY
 43.95°N 109.53°W (Elev. 11289 ft)
9:47 pm MST Dec 9, 2025
10pm MST Dec 9, 2025-6pm MST Dec 16, 2025
 
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Additional Resources

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