Prolonged Atmospheric River in the Pacific Northwest; Snow and High Winds in the North-Central U.S.

A prolonged atmospheric river will continue impacting the Pacific Northwest with heavy rainfall which has lead to areas of urban and river flooding along with gusty winds into Thursday. A clipper will bring heavy snow, some mixed wintry precipitation, and gusty to high winds across the northern Plains, Upper Midwest, and the Great Lakes into Thursday morning. Read More >

Current conditions at

LIBBY (LBBM8)

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

NA

43°F

6°C

Humidity 98%
Wind Speed ENE 1 MPH
Barometer NA
Dewpoint 42°F (6°C)
Visibility NA
Last update 09 Dec 12:25 PM MST
Extended Forecast for

15 Miles NNW Happys Inn 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

  • This Afternoon

    High: 36 °F

    Partly Sunny

  • Tonight

    Tonight: Snow, mainly after midnight.  Low around 29. Southwest wind 6 to 9 mph becoming south southeast after midnight.  Chance of precipitation is 100%. New snow accumulation of less than one inch possible.

    Low: 29 °F

    Chance Snow
    then Snow

  • Wednesday

    Wednesday: Snow before 8am, then rain.  Snow level rising to 6900 feet in the afternoon. High near 42. West southwest wind 9 to 13 mph, with gusts as high as 23 mph.  Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.

    High: 42 °F

    Rain/Snow
    then Rain

  • Wednesday Night

    Wednesday Night: Rain.  Low around 38. Southwest wind 14 to 17 mph, with gusts as high as 26 mph.  Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 38 °F

    Rain

  • Thursday

    Thursday: Rain and snow.  Snow level 5900 feet lowering to 5100 feet in the afternoon . High near 39. West wind 10 to 16 mph, with gusts as high as 24 mph.  Chance of precipitation is 90%. Little or no snow accumulation expected.

    High: 39 °F

    Rain/Snow
    then
    Rain/Snow
    Likely

  • Thursday Night

    Thursday Night: A chance of rain and snow before 8pm, then a chance of snow.  Mostly cloudy, with a low around 32. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.

    Low: 32 °F

    Chance
    Rain/Snow
    then Chance
    Snow

  • Friday

    Friday: Snow before 2pm, then rain and snow.  High near 37. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    High: 37 °F

    Snow then
    Rain/Snow

  • Friday Night

    Friday Night: A chance of rain and snow.  Snow level 5900 feet lowering to 5300 feet after midnight . Mostly cloudy, with a low around 31.

    Low: 31 °F

    Chance
    Rain/Snow

Detailed Forecast

This Afternoon
Partly sunny, with a high near 36. West southwest wind 15 to 17 mph, with gusts as high as 26 mph.
Tonight
Snow, mainly after midnight. Low around 29. Southwest wind 6 to 9 mph becoming south southeast after midnight. Chance of precipitation is 100%. New snow accumulation of less than one inch possible.
Wednesday
Snow before 8am, then rain. Snow level rising to 6900 feet in the afternoon. High near 42. West southwest wind 9 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.
Wednesday Night
Rain. Low around 38. Southwest wind 14 to 17 mph, with gusts as high as 26 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Thursday
Rain and snow. Snow level 5900 feet lowering to 5100 feet in the afternoon . High near 39. West wind 10 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.
Thursday Night
A chance of rain and snow before 8pm, then a chance of snow. Mostly cloudy, with a low around 32. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.
Friday
Snow before 2pm, then rain and snow. High near 37. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Friday Night
A chance of rain and snow. Snow level 5900 feet lowering to 5300 feet after midnight . Mostly cloudy, with a low around 31.
Saturday
A chance of rain and snow before 8am, then a chance of snow. Mostly cloudy, with a high near 34.
Saturday Night
A chance of rain and snow, mainly after 11pm. Snow level 5000 feet. Mostly cloudy, with a low around 31.
Sunday
A chance of rain and snow. Snow level 5000 feet. Mostly cloudy, with a high near 36.
Sunday Night
A chance of rain and snow. Snow level 5100 feet. Mostly cloudy, with a low around 32.
Monday
A chance of rain and snow. Snow level 5100 feet rising to 5600 feet in the afternoon. Mostly cloudy, with a high near 38.
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ABOUT THIS FORECAST

 
Point Forecast:
15 Miles NNW Happys Inn MT
 48.3°N 115.24°W (Elev. 4783 ft)
1:02 pm MST Dec 9, 2025
1pm MST Dec 9, 2025-6pm MST Dec 15, 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