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

BNSF Java East (JVEMT)

Lat: 48.23587°NLon: 113.56453°WElev: 4043.0ft.

NA

33°F

1°C

Humidity 100%
Wind Speed NW 0 MPH
Barometer NA
Dewpoint 33°F (1°C)
Visibility NA
Last update 25 Dec 02:00 AM MST
Extended Forecast for

7 Miles E Swan Lake MT

  • Overnight

    Overnight: Rain likely, possibly mixed with snow. Snow level 6000 feet. Mostly cloudy, with a low around 30. Southwest wind around 6 mph. Chance of precipitation is 70%. Total nighttime snow accumulation of less than a half inch possible.

    Low: 30 °F

    Rain/Snow
    Likely

  • Christmas Day

    Christmas Day: A chance of snow before 1pm, then a chance of rain and snow after 4pm. Partly sunny, with a high near 35. South southwest wind 6 to 8 mph. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.

    High: 35 °F

    Chance Snow
    then Chance
    Rain/Snow

  • Thursday Night

    Thursday Night: Snow likely, mainly between 8pm and 2am. Mostly cloudy, with a low around 28. Southwest wind around 10 mph, with gusts as high as 22 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.

    Low: 28 °F

    Snow Likely

  • Friday

    Friday: Snow. The snow could be heavy at times. Patchy blowing snow after 11am. High near 29. South southwest wind 9 to 17 mph, with gusts as high as 37 mph. Chance of precipitation is 100%. New snow accumulation of 4 to 8 inches possible.

    High: 29 °F

    Heavy Snow
    and Patchy
    Blowing Snow

  • Friday Night

    Friday Night: Snow. Patchy blowing snow. Low around 15. Breezy, with a southwest wind 18 to 23 mph, with gusts as high as 49 mph. Chance of precipitation is 90%. New snow accumulation of 3 to 7 inches possible.

    Low: 15 °F

    Snow and
    Patchy
    Blowing Snow

  • Saturday

    Saturday: Snow. Areas of blowing snow before 11am. High near 18. Chance of precipitation is 90%. New snow accumulation of 3 to 5 inches possible.

    High: 18 °F

    Snow and
    Areas Blowing
    Snow

  • Saturday Night

    Saturday Night: A 20 percent chance of snow before 11pm. Mostly cloudy, with a low around 4.

    Low: 4 °F

    Slight Chance
    Snow then
    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 16.

    High: 16 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 11.

    Low: 11 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Rain likely, possibly mixed with snow. Snow level 6000 feet. Mostly cloudy, with a low around 30. Southwest wind around 6 mph. Chance of precipitation is 70%. Total nighttime snow accumulation of less than a half inch possible.
Christmas Day
A chance of snow before 1pm, then a chance of rain and snow after 4pm. Partly sunny, with a high near 35. South southwest wind 6 to 8 mph. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.
Thursday Night
Snow likely, mainly between 8pm and 2am. Mostly cloudy, with a low around 28. Southwest wind around 10 mph, with gusts as high as 22 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.
Friday
Snow. The snow could be heavy at times. Patchy blowing snow after 11am. High near 29. South southwest wind 9 to 17 mph, with gusts as high as 37 mph. Chance of precipitation is 100%. New snow accumulation of 4 to 8 inches possible.
Friday Night
Snow. Patchy blowing snow. Low around 15. Breezy, with a southwest wind 18 to 23 mph, with gusts as high as 49 mph. Chance of precipitation is 90%. New snow accumulation of 3 to 7 inches possible.
Saturday
Snow. Areas of blowing snow before 11am. High near 18. Chance of precipitation is 90%. New snow accumulation of 3 to 5 inches possible.
Saturday Night
A 20 percent chance of snow before 11pm. Mostly cloudy, with a low around 4.
Sunday
Partly sunny, with a high near 16.
Sunday Night
Mostly cloudy, with a low around 11.
Monday
Mostly cloudy, with a high near 22.
Monday Night
Mostly cloudy, with a low around 16.
Tuesday
Mostly cloudy, with a high near 26.
Tuesday Night
A slight chance of snow. Mostly cloudy, with a low around 21.
Wednesday
A chance of snow. Mostly cloudy, with a high near 31.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
7 Miles E Swan Lake MT
 47.92°N 113.68°W (Elev. 5801 ft)
Last Update:
1:02 am MST Dec 25, 2025
Forecast Valid:
3am MST Dec 25, 2025-6pm MST Dec 31, 2025
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation