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

Mullan Pass, Mullan Pass Vor (KMLP)

Lat: 47.45417°NLon: 115.66972°WElev: 6001.0ft.

Overcast

27°F

-3°C

Humidity 92%
Wind Speed N 0 MPH
Barometer 30.07 in (1018.29 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Last update 09 Dec 07:35 PM MST
Extended Forecast for

3 Miles NNW Lookout Pass MT

Flood Watch until December 11, 05:00pm
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch until December 11, 05:00pm

    NOW until 5:00pm Thu

    Flood Watch

  • Tonight

    Low: 30 °F

    Snow

  • Wednesday

    Wednesday: Rain.  High near 42. Breezy, with a west southwest wind 21 to 24 mph, with gusts as high as 55 mph.  Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.

    High: 42 °F

    Rain and
    Breezy

  • Wednesday Night

    Wednesday Night: Rain.  Low around 38. Breezy, with a southwest wind around 23 mph, with gusts as high as 50 mph.  Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.

    Low: 38 °F

    Rain and
    Breezy

  • Thursday

    Thursday: Rain before 2pm, then rain, possibly mixed with snow.  High near 39. Breezy, with a west southwest wind 15 to 23 mph, with gusts as high as 49 mph.  Chance of precipitation is 100%. Little or no snow accumulation expected.

    High: 39 °F

    Rain and
    Breezy then
    Rain/Snow

  • Thursday Night

    Thursday Night: Rain and snow.  Snow level 5400 feet. Low around 37. West southwest wind 5 to 14 mph, with gusts as high as 30 mph.  Chance of precipitation is 80%. Little or no snow accumulation expected.

    Low: 37 °F

    Rain/Snow

  • Friday

    Friday: Rain and snow, becoming all rain after 2pm.  Snow level 5200 feet rising to 6700 feet in the afternoon. High near 39. Chance of precipitation is 80%. Little or no snow accumulation expected.

    High: 39 °F

    Rain/Snow

  • Friday Night

    Friday Night: A chance of rain before 2am, then a chance of rain and snow.  Mostly cloudy, with a low around 33. Chance of precipitation is 50%. Little or no snow accumulation expected.

    Low: 33 °F

    Chance Rain
    then Chance
    Rain/Snow

  • Saturday

    Saturday: A chance of rain and snow.  Snow level 5500 feet. Mostly cloudy, with a high near 37.

    High: 37 °F

    Chance
    Rain/Snow

Detailed Forecast

Tonight
Snow, mainly after 10pm. Temperature rising to around 37 by 5am. Light south southwest wind becoming southwest 8 to 13 mph after midnight. Winds could gust as high as 41 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of 2 to 4 inches possible.
Wednesday
Rain. High near 42. Breezy, with a west southwest wind 21 to 24 mph, with gusts as high as 55 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.
Wednesday Night
Rain. Low around 38. Breezy, with a southwest wind around 23 mph, with gusts as high as 50 mph. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.
Thursday
Rain before 2pm, then rain, possibly mixed with snow. High near 39. Breezy, with a west southwest wind 15 to 23 mph, with gusts as high as 49 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.
Thursday Night
Rain and snow. Snow level 5400 feet. Low around 37. West southwest wind 5 to 14 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.
Friday
Rain and snow, becoming all rain after 2pm. Snow level 5200 feet rising to 6700 feet in the afternoon. High near 39. Chance of precipitation is 80%. Little or no snow accumulation expected.
Friday Night
A chance of rain before 2am, then a chance of rain and snow. Mostly cloudy, with a low around 33. Chance of precipitation is 50%. Little or no snow accumulation expected.
Saturday
A chance of rain and snow. Snow level 5500 feet. Mostly cloudy, with a high near 37.
Saturday Night
A chance of rain and snow, mainly after 11pm. Snow level 5600 feet. Mostly cloudy, with a low around 32.
Sunday
A chance of rain and snow. Snow level 5400 feet. Mostly cloudy, with a high near 37.
Sunday Night
A chance of rain and snow. Snow level 5400 feet. Mostly cloudy, with a low around 33.
Monday
Rain and snow. Snow level 5700 feet. Mostly cloudy, with a high near 38.
Monday Night
Rain and snow. Snow level 5900 feet. Cloudy, with a low around 34.
Tuesday
Rain and snow. Snow level 5400 feet lowering to 4700 feet in the afternoon . Mostly cloudy, with a high near 36.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNW Lookout Pass MT
 47.44°N 115.71°W (Elev. 4738 ft)
2:21 pm MST Dec 9, 2025
7pm MST Dec 9, 2025-6pm MST Dec 16, 2025
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

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