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

SACAJAWEA (SAJM8)

Lat: 45.87395°NLon: 110.92783°WElev: 6550.0ft.

NA

43°F

6°C

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

8 Miles ENE Belgrade MT

  • Christmas Day

    Christmas Day: Mostly sunny, with a high near 56. South wind around 8 mph.

    High: 56 °F

    Mostly Sunny

  • Tonight

    Tonight: A 20 percent chance of rain after 10pm.  Mostly cloudy, with a low around 38. South southeast wind around 8 mph.

    Low: 38 °F

    Slight Chance
    Rain

  • Friday

    Friday: A chance of rain and snow before 1pm, then a chance of snow between 1pm and 4pm.  Mostly sunny, with a high near 46. Breezy, with a southeast wind 9 to 14 mph becoming west southwest 19 to 24 mph in the morning. Winds could gust as high as 39 mph.  Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.

    High: 46 °F

    Chance
    Rain/Snow and
    Breezy

  • Friday Night

    Friday Night: A 40 percent chance of snow, mainly after 11pm.  Increasing clouds, with a low around 26. West southwest wind 11 to 14 mph becoming south in the evening. Winds could gust as high as 23 mph.  New snow accumulation of less than a half inch possible.

    Low: 26 °F

    Chance Snow

  • Saturday

    Saturday: Snow.  High near 30. South southwest wind around 10 mph becoming west northwest in the afternoon. Winds could gust as high as 20 mph.  Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.

    High: 30 °F

    Snow

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 7. West wind 3 to 8 mph.

    Low: 7 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 25. Light west southwest wind.

    High: 25 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 14. Light south wind.

    Low: 14 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 35.

    High: 35 °F

    Sunny

Detailed Forecast

Christmas Day
Mostly sunny, with a high near 56. South wind around 8 mph.
Tonight
A 20 percent chance of rain after 10pm. Mostly cloudy, with a low around 38. South southeast wind around 8 mph.
Friday
A chance of rain and snow before 1pm, then a chance of snow between 1pm and 4pm. Mostly sunny, with a high near 46. Breezy, with a southeast wind 9 to 14 mph becoming west southwest 19 to 24 mph in the morning. Winds could gust as high as 39 mph. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.
Friday Night
A 40 percent chance of snow, mainly after 11pm. Increasing clouds, with a low around 26. West southwest wind 11 to 14 mph becoming south in the evening. Winds could gust as high as 23 mph. New snow accumulation of less than a half inch possible.
Saturday
Snow. High near 30. South southwest wind around 10 mph becoming west northwest in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.
Saturday Night
Mostly cloudy, with a low around 7. West wind 3 to 8 mph.
Sunday
Mostly sunny, with a high near 25. Light west southwest wind.
Sunday Night
Mostly clear, with a low around 14. Light south wind.
Monday
Sunny, with a high near 35.
Monday Night
Mostly cloudy, with a low around 23.
Tuesday
Mostly cloudy, with a high near 40.
Tuesday Night
Mostly cloudy, with a low around 29.
Wednesday
Mostly cloudy, with a high near 44.
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ABOUT THIS FORECAST

 
Point Forecast:
8 Miles ENE Belgrade MT
 45.83°N 111.05°W (Elev. 4738 ft)
1:27 pm MST Dec 25, 2025
1pm MST Dec 25, 2025-6pm MST Dec 31, 2025
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database