Current conditions at

Sieben I-15 MP 216 (MTSBN)

Lat: 46.88748267°NLon: 112.1111196°WElev: 4199.0ft.

NA

40°F

4°C

Humidity 100%
Wind Speed SSE 1 MPH
Barometer NA
Dewpoint 40°F (4°C)
Visibility NA
Last update 02 Apr 05:45 AM MDT
Extended Forecast for

Marysville MT

Winter Weather Advisory until April 3, 06:00am
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory until April 3, 06:00am

    NOW until 6:00am Fri

    Winter Weather Advisory

  • Today

    High: 36 °F

    Breezy.
    Rain/Snow
    then Snow
    Likely

  • Tonight

    Tonight: Snow likely, mainly before midnight.  Mostly cloudy, with a low around 29. Breezy, with a west wind 15 to 24 mph, with gusts as high as 39 mph.  Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    Low: 29 °F

    Snow Likely
    and Breezy

  • Friday

    Friday: A 30 percent chance of snow before noon.  Partly sunny, with a high near 41. West wind 13 to 17 mph, with gusts as high as 31 mph.  New snow accumulation of less than a half inch possible.

    High: 41 °F

    Chance Snow
    then Mostly
    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 29. West southwest wind 11 to 17 mph, with gusts as high as 30 mph.

    Low: 29 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 49. West southwest wind 11 to 15 mph, with gusts as high as 29 mph.

    High: 49 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 30. West southwest wind 6 to 14 mph, with gusts as high as 25 mph.

    Low: 30 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 51. West southwest wind 6 to 10 mph becoming north northwest in the afternoon. Winds could gust as high as 20 mph.

    High: 51 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 33. Northwest wind 6 to 11 mph, with gusts as high as 20 mph.

    Low: 33 °F

    Mostly Cloudy

Detailed Forecast

Today
Rain and snow, becoming all snow after 9am. Temperature falling to around 30 by 4pm. Breezy, with a west wind 7 to 12 mph increasing to 20 to 25 mph in the afternoon. Winds could gust as high as 40 mph. Chance of precipitation is 90%. Total daytime snow accumulation of 1 to 2 inches possible.
Tonight
Snow likely, mainly before midnight. Mostly cloudy, with a low around 29. Breezy, with a west wind 15 to 24 mph, with gusts as high as 39 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Friday
A 30 percent chance of snow before noon. Partly sunny, with a high near 41. West wind 13 to 17 mph, with gusts as high as 31 mph. New snow accumulation of less than a half inch possible.
Friday Night
Mostly clear, with a low around 29. West southwest wind 11 to 17 mph, with gusts as high as 30 mph.
Saturday
Sunny, with a high near 49. West southwest wind 11 to 15 mph, with gusts as high as 29 mph.
Saturday Night
Mostly clear, with a low around 30. West southwest wind 6 to 14 mph, with gusts as high as 25 mph.
Sunday
Mostly sunny, with a high near 51. West southwest wind 6 to 10 mph becoming north northwest in the afternoon. Winds could gust as high as 20 mph.
Sunday Night
Mostly cloudy, with a low around 33. Northwest wind 6 to 11 mph, with gusts as high as 20 mph.
Monday
Partly sunny, with a high near 56.
Monday Night
Partly cloudy, with a low around 38.
Tuesday
Mostly sunny, with a high near 56. Breezy.
Tuesday Night
A chance of rain and snow. Mostly cloudy, with a low around 31. Breezy.
Wednesday
A chance of snow. Partly sunny, with a high near 40.
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ABOUT THIS FORECAST

 
Point Forecast:
Marysville MT
 46.75°N 112.29°W (Elev. 5456 ft)
4:27 am MDT Apr 2, 2026
6am MDT Apr 2, 2026-6pm MDT Apr 8, 2026
 
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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