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

LIBBY (LBBM8)

Lat: 48.40361°NLon: 115.53917°WElev: 2070.0ft.

NA

32°F

0°C

Humidity 99%
Wind Speed NNW 0 MPH
Barometer NA
Dewpoint 32°F (0°C)
Visibility NA
Last update 09 Dec 08:25 PM MST
Extended Forecast for

7 Miles WSW Libby 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: 25 °F

    Chance Snow
    then Heavy
    Snow

  • Wednesday

    Wednesday: Snow before 2pm, then rain and snow. The rain could be heavy at times.  High near 38. Breezy, with a west southwest wind 18 to 26 mph, with gusts as high as 55 mph.  Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.

    High: 38 °F

    Breezy. Snow
    then
    Rain/Snow

  • Wednesday Night

    Wednesday Night: Rain and snow, becoming all snow after 2am. The rain could be heavy at times.  Low around 34. Breezy, with a west southwest wind 24 to 28 mph, with gusts as high as 55 mph.  Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.

    Low: 34 °F

    Rain/Snow and
    Breezy

  • Thursday

    Thursday: Snow.  High near 35. Breezy, with a west wind 17 to 25 mph, with gusts as high as 55 mph.  Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.

    High: 35 °F

    Snow and
    Breezy

  • Thursday Night

    Thursday Night: Snow likely, mainly after 11pm.  Mostly cloudy, with a low around 29. West wind 13 to 15 mph, with gusts as high as 32 mph.  Chance of precipitation is 60%. New snow accumulation of 1 to 2 inches possible.

    Low: 29 °F

    Snow Likely

  • Friday

    Friday: Snow.  High near 34. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.

    High: 34 °F

    Snow

  • Friday Night

    Friday Night: Snow likely, mainly before 11pm.  Mostly cloudy, with a low around 28. Chance of precipitation is 60%. New snow accumulation of 1 to 2 inches possible.

    Low: 28 °F

    Snow Likely

  • Saturday

    Saturday: A chance of snow.  Mostly cloudy, with a high near 30.

    High: 30 °F

    Chance Snow

Detailed Forecast

Tonight
Snow, mainly after midnight. The snow could be heavy at times. Temperature rising to around 33 by 5am. Southwest wind 9 to 14 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of 3 to 5 inches possible.
Wednesday
Snow before 2pm, then rain and snow. The rain could be heavy at times. High near 38. Breezy, with a west southwest wind 18 to 26 mph, with gusts as high as 55 mph. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.
Wednesday Night
Rain and snow, becoming all snow after 2am. The rain could be heavy at times. Low around 34. Breezy, with a west southwest wind 24 to 28 mph, with gusts as high as 55 mph. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.
Thursday
Snow. High near 35. Breezy, with a west wind 17 to 25 mph, with gusts as high as 55 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.
Thursday Night
Snow likely, mainly after 11pm. Mostly cloudy, with a low around 29. West wind 13 to 15 mph, with gusts as high as 32 mph. Chance of precipitation is 60%. New snow accumulation of 1 to 2 inches possible.
Friday
Snow. High near 34. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.
Friday Night
Snow likely, mainly before 11pm. Mostly cloudy, with a low around 28. Chance of precipitation is 60%. New snow accumulation of 1 to 2 inches possible.
Saturday
A chance of snow. Mostly cloudy, with a high near 30.
Saturday Night
A chance of snow. Mostly cloudy, with a low around 29.
Sunday
Snow likely, mainly after 11am. Mostly cloudy, with a high near 30.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 28.
Monday
Snow likely. Mostly cloudy, with a high near 33.
Monday Night
Snow. The snow could be heavy at times. Cloudy, with a low around 30.
Tuesday
Snow. Mostly cloudy, with a high near 31.
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ABOUT THIS FORECAST

 
Point Forecast:
7 Miles WSW Libby MT
 48.35°N 115.7°W (Elev. 6847 ft)
2:21 pm MST Dec 9, 2025
9pm MST Dec 9, 2025-6pm MST Dec 16, 2025
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database