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.

unknown precip

31°F

-1°C

Humidity NA
Wind Speed NE 2 MPH
Barometer NA
Dewpoint N/A
Visibility NA
Last update NA
Extended Forecast for

Fort Benton MT

  • Christmas Day

    Christmas Day: Areas of fog. Otherwise, sunny, with a steady temperature around 42. South southwest wind around 6 mph.

    High: 42 °F

    Areas Fog

  • Tonight

    Tonight: A slight chance of rain before 1am, then a slight chance of freezing rain between 1am and 2am. Patchy fog. Otherwise, mostly cloudy, with a low around 26. Southwest wind around 7 mph. Chance of precipitation is 20%.

    Low: 26 °F

    Slight Chance
    Rain/Freezing
    Rain and
    Patchy Fog

  • Friday

    Friday: A slight chance of rain and snow before 11am, then a slight chance of rain between 11am and 4pm. Patchy fog before 8am. Otherwise, partly sunny, with a high near 51. West wind 7 to 16 mph becoming south southwest in the morning. Winds could gust as high as 30 mph. Chance of precipitation is 20%.

    High: 51 °F

    Slight Chance
    Rain/Snow and
    Patchy Fog

  • Friday Night

    Friday Night: A 20 percent chance of snow after 11pm. Mostly cloudy, with a low around 7. West southwest wind around 11 mph becoming north after midnight. Winds could gust as high as 18 mph.

    Low: 7 °F

    Slight Chance
    Snow

  • Saturday

    Saturday: Snow likely, mainly before 11am. Mostly cloudy, with a high near 18. Northwest wind 14 to 16 mph, with gusts as high as 23 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    High: 18 °F

    Snow Likely
    then 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: Sunny, with a high near 24. Calm wind becoming west southwest around 5 mph in the afternoon.

    High: 24 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 13. Southwest wind around 7 mph.

    Low: 13 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 41.

    High: 41 °F

    Mostly Sunny

Detailed Forecast

Christmas Day
Areas of fog. Otherwise, sunny, with a steady temperature around 42. South southwest wind around 6 mph.
Tonight
A slight chance of rain before 1am, then a slight chance of freezing rain between 1am and 2am. Patchy fog. Otherwise, mostly cloudy, with a low around 26. Southwest wind around 7 mph. Chance of precipitation is 20%.
Friday
A slight chance of rain and snow before 11am, then a slight chance of rain between 11am and 4pm. Patchy fog before 8am. Otherwise, partly sunny, with a high near 51. West wind 7 to 16 mph becoming south southwest in the morning. Winds could gust as high as 30 mph. Chance of precipitation is 20%.
Friday Night
A 20 percent chance of snow after 11pm. Mostly cloudy, with a low around 7. West southwest wind around 11 mph becoming north after midnight. Winds could gust as high as 18 mph.
Saturday
Snow likely, mainly before 11am. Mostly cloudy, with a high near 18. Northwest wind 14 to 16 mph, with gusts as high as 23 mph. Chance of precipitation is 70%. 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
Sunny, with a high near 24. Calm wind becoming west southwest around 5 mph in the afternoon.
Sunday Night
Partly cloudy, with a low around 13. Southwest wind around 7 mph.
Monday
Mostly sunny, with a high near 41.
Monday Night
Mostly cloudy, with a low around 25.
Tuesday
Partly sunny, with a high near 46.
Tuesday Night
Mostly cloudy, with a low around 24.
Wednesday
A slight chance of rain and snow. 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:
1:27 pm MST Dec 25, 2025
Forecast Valid:
1pm MST Dec 25, 2025-6pm MST Dec 31, 2025
 
Forecast Discussion
 
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Additional Resources

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