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

42°F

6°C

Humidity 90%
Wind Speed SW 0 MPH
Barometer NA
Dewpoint 39°F (4°C)
Visibility NA
Last update 13 Nov 02:25 PM MST
Extended Forecast for

21 Miles SSW Fortine MT

  • This Afternoon

    This Afternoon: Mostly cloudy early, then becoming sunny, with a high near 47. Light southeast wind.

    High: 47 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 32. East southeast wind 3 to 7 mph.

    Low: 32 °F

    Partly Cloudy

  • Saturday

    Saturday: A slight chance of rain and snow before 8am. Partly sunny, with a high near 39. West southwest wind around 6 mph. Chance of precipitation is 20%.

    High: 39 °F

    Slight Chance
    Rain/Snow
    then Partly
    Sunny

  • Saturday Night

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

    Low: 30 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 41. Southeast wind 5 to 7 mph becoming southwest in the afternoon.

    High: 41 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: A chance of rain before 11pm, then a chance of rain and snow. Snow level 5900 feet. Mostly cloudy, with a low around 35. Chance of precipitation is 50%. Little or no snow accumulation expected.

    Low: 35 °F

    Chance
    Rain/Snow

  • Monday

    Monday: A chance of rain and snow before 8am, then a chance of snow. Mostly cloudy, with a high near 37. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.

    High: 37 °F

    Chance
    Rain/Snow
    then Chance
    Snow

  • Monday Night

    Monday Night: A slight chance of snow before 11pm. Mostly cloudy, with a low around 30.

    Low: 30 °F

    Slight Chance
    Snow then
    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 35.

    High: 35 °F

    Mostly Cloudy

Detailed Forecast

This Afternoon
Mostly cloudy early, then becoming sunny, with a high near 47. Light southeast wind.
Tonight
Partly cloudy, with a low around 32. East southeast wind 3 to 7 mph.
Saturday
A slight chance of rain and snow before 8am. Partly sunny, with a high near 39. West southwest wind around 6 mph. Chance of precipitation is 20%.
Saturday Night
Partly cloudy, with a low around 30. South southwest wind 5 to 7 mph becoming southeast after midnight.
Sunday
Partly sunny, with a high near 41. Southeast wind 5 to 7 mph becoming southwest in the afternoon.
Sunday Night
A chance of rain before 11pm, then a chance of rain and snow. Snow level 5900 feet. Mostly cloudy, with a low around 35. Chance of precipitation is 50%. Little or no snow accumulation expected.
Monday
A chance of rain and snow before 8am, then a chance of snow. Mostly cloudy, with a high near 37. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.
Monday Night
A slight chance of snow before 11pm. Mostly cloudy, with a low around 30.
Tuesday
Mostly cloudy, with a high near 35.
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 34.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
21 Miles SSW Fortine MT
 48.48°N 115.1°W (Elev. 5440 ft)
Last Update:
1:01 pm MST Nov 13, 2026
Forecast Valid:
2pm MST Nov 13, 2026-6pm MST Nov 19, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation