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

Atmospheric River Bringing Heavy Rain to Southern California and Heavy Snow to the Sierra Nevadas

A strong atmospheric river will continue heavy rain over southern California through Friday. The heaviest rainfall is ongoing today in the Los Angeles Basin. Flash and urban flooding is possible. A prolonged heavy snowfall has begun over the Sierra Nevada Mountains and will continue through Friday. Travel will become increasingly difficult over the passes due to snow and strong winds. Read More >

Current conditions at

Loma US-87 MP 53.1 (MTLOM)

Lat: 47.95103°NLon: 110.50477°WElev: 2700.0ft.

NA

26°F

-3°C

Humidity NA
Wind Speed SSW 1 MPH
Barometer NA
Dewpoint N/A
Visibility NA
Last update NA
Extended Forecast for

Fort Benton MT

  • Christmas Day

    Christmas Day: Sunny, with a high near 41. Southwest wind 3 to 6 mph.

    High: 41 °F

    Sunny

  • Tonight

    Tonight: Mostly cloudy, with a steady temperature around 32. South southeast wind around 7 mph becoming west southwest in the evening.

    Low: 32 °F

    Mostly Cloudy

  • Friday

    Friday: A 20 percent chance of rain after 11am. Partly sunny, with a high near 51. Light and variable wind becoming west southwest 11 to 16 mph in the morning. Winds could gust as high as 34 mph.

    High: 51 °F

    Slight Chance
    Rain

  • Friday Night

    Friday Night: A 20 percent chance of snow after 11pm. Mostly cloudy, with a low around 7. Southwest wind 10 to 13 mph, with gusts as high as 20 mph.

    Low: 7 °F

    Slight Chance
    Snow

  • Saturday

    Saturday: A 50 percent chance of snow, mainly before 11am. Mostly cloudy, with a high near 27. Northwest wind 14 to 16 mph, with gusts as high as 23 mph. New snow accumulation of less than a half inch possible.

    High: 27 °F

    Chance Snow
    then Slight
    Chance Snow

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around -4. West wind 6 to 14 mph, with gusts as high as 20 mph.

    Low: -4 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 26. Calm wind becoming southwest around 6 mph in the afternoon.

    High: 26 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 15. Southwest wind 6 to 8 mph.

    Low: 15 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 42.

    High: 42 °F

    Mostly Sunny

Detailed Forecast

Christmas Day
Sunny, with a high near 41. Southwest wind 3 to 6 mph.
Tonight
Mostly cloudy, with a steady temperature around 32. South southeast wind around 7 mph becoming west southwest in the evening.
Friday
A 20 percent chance of rain after 11am. Partly sunny, with a high near 51. Light and variable wind becoming west southwest 11 to 16 mph in the morning. Winds could gust as high as 34 mph.
Friday Night
A 20 percent chance of snow after 11pm. Mostly cloudy, with a low around 7. Southwest wind 10 to 13 mph, with gusts as high as 20 mph.
Saturday
A 50 percent chance of snow, mainly before 11am. Mostly cloudy, with a high near 27. Northwest wind 14 to 16 mph, with gusts as high as 23 mph. New snow accumulation of less than a half inch possible.
Saturday Night
Partly cloudy, with a low around -4. West wind 6 to 14 mph, with gusts as high as 20 mph.
Sunday
Mostly sunny, with a high near 26. Calm wind becoming southwest around 6 mph in the afternoon.
Sunday Night
Partly cloudy, with a low around 15. Southwest wind 6 to 8 mph.
Monday
Mostly sunny, with a high near 42.
Monday Night
Mostly cloudy, with a low around 26.
Tuesday
Partly sunny, with a high near 45.
Tuesday Night
Mostly cloudy, with a low around 24.
Wednesday
Mostly cloudy, with a high near 39.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Fort Benton MT
 47.84°N 110.65°W (Elev. 2799 ft)
Last Update:
10:07 am MST Dec 25, 2025
Forecast Valid:
12pm MST Dec 25, 2025-6pm MST Dec 31, 2025
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation