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

Heavy Snow in the Sierra Nevada; Heavy Rainfall in Texas Sunday

Heavy snow is expected in the Sierra Nevada mountain ranges into Saturday causing hazardous travel conditions. Winter Storm Warnings have been issued. Thunderstorms and moderate to heavy rainfall are expected across portions of eastern Texas into Louisiana on Sunday. Read More >

Current conditions at

LIBBY (LBBM8)

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

NA

41°F

5°C

Humidity 94%
Wind Speed S 0 MPH
Barometer NA
Dewpoint 39°F (4°C)
Visibility NA
Last update 13 Nov 05:25 PM MST
Extended Forecast for

20 Miles SSW Fortine MT

  • Tonight

    Tonight: Partly cloudy, with a low around 32. Southeast wind around 6 mph becoming calm after midnight.

    Low: 32 °F

    Partly Cloudy

  • Saturday

    Saturday: A slight chance of rain and snow before 8am. Snow level 5600 feet lowering to 4900 feet. Partly sunny, with a high near 40. West southwest wind 3 to 6 mph. Chance of precipitation is 20%.

    High: 40 °F

    Slight Chance
    Rain/Snow
    then Partly
    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 30. South southeast wind 5 to 7 mph.

    Low: 30 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 42. South southeast wind around 6 mph.

    High: 42 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: A 50 percent chance of rain. Mostly cloudy, with a low around 35. South wind 3 to 6 mph.

    Low: 35 °F

    Chance Rain

  • Monday

    Monday: A 40 percent chance of rain, mainly before 5pm. Snow level 5300 feet. Mostly cloudy, with a high near 38.

    High: 38 °F

    Chance Rain

  • Monday Night

    Monday Night: A slight chance of rain and snow before 8pm, then a slight chance of snow between 8pm and 11pm. Snow level 5100 feet lowering to 4400 feet after midnight . Mostly cloudy, with a low around 31. Chance of precipitation is 20%.

    Low: 31 °F

    Slight Chance
    Rain/Snow
    then Mostly
    Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 36.

    High: 36 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 27.

    Low: 27 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 32. Southeast wind around 6 mph becoming calm after midnight.
Saturday
A slight chance of rain and snow before 8am. Snow level 5600 feet lowering to 4900 feet. Partly sunny, with a high near 40. West southwest wind 3 to 6 mph. Chance of precipitation is 20%.
Saturday Night
Partly cloudy, with a low around 30. South southeast wind 5 to 7 mph.
Sunday
Partly sunny, with a high near 42. South southeast wind around 6 mph.
Sunday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 35. South wind 3 to 6 mph.
Monday
A 40 percent chance of rain, mainly before 5pm. Snow level 5300 feet. Mostly cloudy, with a high near 38.
Monday Night
A slight chance of rain and snow before 8pm, then a slight chance of snow between 8pm and 11pm. Snow level 5100 feet lowering to 4400 feet after midnight . Mostly cloudy, with a low around 31. Chance of precipitation is 20%.
Tuesday
Mostly cloudy, with a high near 36.
Tuesday Night
Mostly cloudy, with a low around 27.
Wednesday
Partly sunny, with a high near 35.
Wednesday Night
Mostly cloudy, with a low around 27.
Thursday
Partly sunny, with a high near 35.
Thursday Night
Partly cloudy, with a low around 25.
Friday
Mostly sunny, with a high near 34.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
20 Miles SSW Fortine MT
 48.5°N 115.07°W (Elev. 4416 ft)
Last Update:
1:01 pm MST Nov 13, 2026
Forecast Valid:
6pm MST Nov 13, 2026-6pm MST Nov 20, 2026
 
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Additional Resources

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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