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

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 >

Hazardous Weather Conditions

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.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
15 Miles NNW Happys Inn MT
 48.3°N 115.24°W (Elev. 4783 ft)
Last Update:
1:02 pm MST Dec 9, 2025
Forecast Valid:
1pm MST Dec 9, 2025-6pm MST Dec 15, 2025
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation