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

Atmospheric River Continues Areas of Heavy Rain and Snow for California This Weekend

An atmospheric river will continue to bring gusty winds, moderate to heavy rainfall, and potential flooding to southern California and the southern Great Basin through Sunday. Periods of heavy snow will continue as well above 7,000 feet over the Sierra Nevada mountains associated with this atmospheric river. Read More >

Current conditions at

Garrison I-90 MP 174.4 (MTGAR)

Lat: 46.52361°NLon: 112.80843°WElev: 4327.0ft.

NA

46°F

8°C

Humidity 68%
Wind Speed NW 5 MPH
Barometer NA
Dewpoint 36°F (2°C)
Visibility NA
Wind Chill44°F (7°C)
Last update 14 Nov 09:45 PM MST
Extended Forecast for

12 Miles W Marysville MT

  • Tonight

    Tonight: A slight chance of snow before 1am, then a chance of snow after 2am. Mostly cloudy, with a low around 30. Windy, with a west southwest wind 30 to 37 mph, with gusts as high as 50 mph. Chance of precipitation is 30%. Total nighttime snow accumulation of less than a half inch possible.

    Low: 30 °F

    Chance Snow
    and Windy

  • Saturday

    Saturday: A 30 percent chance of snow, mainly before 11am. Mostly cloudy, with a high near 34. Windy, with a west southwest wind 26 to 36 mph decreasing to 14 to 24 mph in the afternoon. New snow accumulation of less than a half inch possible.

    High: 34 °F

    Chance Snow
    and Windy
    then Mostly
    Cloudy

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 30. West southwest wind 9 to 14 mph, with gusts as high as 21 mph.

    Low: 30 °F

    Partly Cloudy

  • Sunday

    Sunday: A chance of snow after 11am, mixing with rain after 2pm. Partly sunny, with a high near 36. South wind 5 to 9 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.

    High: 36 °F

    Chance Snow
    then Chance
    Rain/Snow

  • Sunday Night

    Sunday Night: A chance of rain and snow before 8pm, then a chance of snow. Mostly cloudy, with a low around 30. East wind 6 to 10 mph becoming west southwest after midnight. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.

    Low: 30 °F

    Chance
    Rain/Snow
    then Chance
    Snow

  • Monday

    Monday: Snow likely, mainly after 11am. Mostly cloudy, with a high near 33. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    High: 33 °F

    Snow Likely

  • Monday Night

    Monday Night: Snow likely, mainly after 11pm. Mostly cloudy, with a low around 27. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 27 °F

    Snow Likely

  • Tuesday

    Tuesday: Snow likely. Mostly cloudy, with a high near 31.

    High: 31 °F

    Snow Likely

  • Tuesday Night

    Tuesday Night: A chance of snow. Mostly cloudy, with a low around 23.

    Low: 23 °F

    Chance Snow

Detailed Forecast

Tonight
A slight chance of snow before 1am, then a chance of snow after 2am. Mostly cloudy, with a low around 30. Windy, with a west southwest wind 30 to 37 mph, with gusts as high as 50 mph. Chance of precipitation is 30%. Total nighttime snow accumulation of less than a half inch possible.
Saturday
A 30 percent chance of snow, mainly before 11am. Mostly cloudy, with a high near 34. Windy, with a west southwest wind 26 to 36 mph decreasing to 14 to 24 mph in the afternoon. New snow accumulation of less than a half inch possible.
Saturday Night
Partly cloudy, with a low around 30. West southwest wind 9 to 14 mph, with gusts as high as 21 mph.
Sunday
A chance of snow after 11am, mixing with rain after 2pm. Partly sunny, with a high near 36. South wind 5 to 9 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
Sunday Night
A chance of rain and snow before 8pm, then a chance of snow. Mostly cloudy, with a low around 30. East wind 6 to 10 mph becoming west southwest after midnight. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.
Monday
Snow likely, mainly after 11am. Mostly cloudy, with a high near 33. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Monday Night
Snow likely, mainly after 11pm. Mostly cloudy, with a low around 27. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Tuesday
Snow likely. Mostly cloudy, with a high near 31.
Tuesday Night
A chance of snow. Mostly cloudy, with a low around 23.
Wednesday
A chance of snow. Partly sunny, with a high near 26.
Wednesday Night
A slight chance of snow. Mostly cloudy, with a low around 23.
Thursday
A chance of snow. Partly sunny, with a high near 27.
Thursday Night
A chance of snow. Mostly cloudy, with a low around 23.
Friday
A chance of snow. Partly sunny, with a high near 25.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
12 Miles W Marysville MT
 46.77°N 112.54°W (Elev. 8199 ft)
Last Update:
1:02 pm MST Nov 14, 2025
Forecast Valid:
10pm MST Nov 14, 2025-6pm MST Nov 21, 2025
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation