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

Heavy Rain and Mountain Snow Lingers in California; Winter Storm Impacting the Great Lakes and Northeast U.S.

An atmospheric river will wind down through today across California with lingering heavy rainfall, heavy mountain snow, and gusty winds. A wintry mix of freezing rain, sleet, and snow will cause hazardous travel conditions for the Great Lakes into the northern Mid-Atlantic and southern New England today through Saturday morning. Areas of tree damage and power outages are possible. Read More >

Current conditions at

USCRN SITE AT BANNACK STATE PARK NEAR DILLON 18WSW (BSPM8)

Lat: 45.15778°NLon: 113.00583°WElev: 5941.0ft.

NA

35°F

2°C

Humidity 63%
Wind Speed NA 3 MPH
Barometer NA
Dewpoint 24°F (-4°C)
Visibility NA
Last update 26 Dec 07:10 AM MST
Extended Forecast for

Bannack MT

  • Today

    Today: A 40 percent chance of snow, mainly before noon. Mostly sunny, with a high near 41. Breezy, with a southwest wind 11 to 16 mph increasing to 21 to 26 mph in the afternoon. Winds could gust as high as 37 mph. Total daytime snow accumulation of less than a half inch possible.

    High: 41 °F

    Chance Snow
    and Breezy

  • Tonight

    Tonight: Snow likely, mainly after 5am. Increasing clouds, with a low around 18. South southwest wind around 16 mph, with gusts as high as 24 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 18 °F

    Chance Snow
    then Snow
    Likely

  • Saturday

    Saturday: A 50 percent chance of snow. Partly sunny, with a temperature falling to around 17 by 5pm. West wind 14 to 18 mph, with gusts as high as 26 mph. New snow accumulation of less than a half inch possible.

    High: 27 °F⇓

    Chance Snow

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 0. West wind 5 to 13 mph, with gusts as high as 20 mph.

    Low: 0 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 24. West wind 3 to 6 mph.

    High: 24 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 6. West wind 3 to 6 mph.

    Low: 6 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 34. Calm wind becoming southwest around 6 mph in the afternoon.

    High: 34 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 15. West southwest wind 3 to 6 mph.

    Low: 15 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 38.

    High: 38 °F

    Partly Sunny

Detailed Forecast

Today
A 40 percent chance of snow, mainly before noon. Mostly sunny, with a high near 41. Breezy, with a southwest wind 11 to 16 mph increasing to 21 to 26 mph in the afternoon. Winds could gust as high as 37 mph. Total daytime snow accumulation of less than a half inch possible.
Tonight
Snow likely, mainly after 5am. Increasing clouds, with a low around 18. South southwest wind around 16 mph, with gusts as high as 24 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Saturday
A 50 percent chance of snow. Partly sunny, with a temperature falling to around 17 by 5pm. West wind 14 to 18 mph, with gusts as high as 26 mph. New snow accumulation of less than a half inch possible.
Saturday Night
Mostly clear, with a low around 0. West wind 5 to 13 mph, with gusts as high as 20 mph.
Sunday
Mostly sunny, with a high near 24. West wind 3 to 6 mph.
Sunday Night
Mostly clear, with a low around 6. West wind 3 to 6 mph.
Monday
Mostly sunny, with a high near 34. Calm wind becoming southwest around 6 mph in the afternoon.
Monday Night
Mostly cloudy, with a low around 15. West southwest wind 3 to 6 mph.
Tuesday
Partly sunny, with a high near 38.
Tuesday Night
Mostly cloudy, with a low around 18.
Wednesday
Mostly sunny, with a high near 42.
Wednesday Night
Mostly cloudy, with a low around 21.
New Year's Day
Partly sunny, with a high near 40.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Bannack MT
 45.17°N 113.01°W (Elev. 5840 ft)
Last Update:
6:32 am MST Dec 26, 2025
Forecast Valid:
7am MST Dec 26, 2025-6pm MST Jan 1, 2026
 
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Additional Resources

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