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

Hazardous Weather Conditions

Current conditions at

Sieben I-15 MP 216 (MTSBN)

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

NA

53°F

12°C

Humidity 48%
Wind Speed SW 7 MPH
Barometer NA
Dewpoint 34°F (1°C)
Visibility NA
Last update 01 Apr 04:30 PM MDT
Extended Forecast for

Marysville MT

Winter Weather Advisory April 2, 06:00am until April 3, 06:00am
Click here for hazard details and duration
Winter Weather Advisory

  • This Afternoon

    This Afternoon: A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 50. Southeast wind around 8 mph.

    High: 50 °F

    Chance
    Showers

  • Tonight

    Tonight: Rain and snow. Low around 32. East southeast wind around 7 mph becoming south southwest after midnight. Chance of precipitation is 90%. Little or no snow accumulation expected.

    Low: 32 °F

    Rain/Snow
    then
    Rain/Snow
    Likely

  • Thursday

    Thursday: Rain and snow likely before 7am, then snow. High near 35. West wind 6 to 11 mph increasing to 15 to 20 mph in the morning. Winds could gust as high as 36 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

    High: 35 °F

    Rain/Snow
    then Snow

  • Thursday Night

    Thursday Night: Snow. Low around 29. West wind 13 to 20 mph, with gusts as high as 34 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

    Low: 29 °F

    Snow

  • Friday

    Friday: A 50 percent chance of snow, mainly before noon. Partly sunny, with a high near 41. West wind 11 to 16 mph, with gusts as high as 30 mph. New snow accumulation of less than a half inch possible.

    High: 41 °F

    Chance Snow
    then Slight
    Chance Snow

  • Friday Night

    Friday Night: Mostly clear, with a low around 28. West southwest wind 10 to 16 mph, with gusts as high as 29 mph.

    Low: 28 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 49. West southwest wind 10 to 15 mph, with gusts as high as 28 mph.

    High: 49 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 32. West southwest wind 7 to 14 mph, with gusts as high as 25 mph.

    Low: 32 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 51.

    High: 51 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 50. Southeast wind around 8 mph.
Tonight
Rain and snow. Low around 32. East southeast wind around 7 mph becoming south southwest after midnight. Chance of precipitation is 90%. Little or no snow accumulation expected.
Thursday
Rain and snow likely before 7am, then snow. High near 35. West wind 6 to 11 mph increasing to 15 to 20 mph in the morning. Winds could gust as high as 36 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.
Thursday Night
Snow. Low around 29. West wind 13 to 20 mph, with gusts as high as 34 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.
Friday
A 50 percent chance of snow, mainly before noon. Partly sunny, with a high near 41. West wind 11 to 16 mph, with gusts as high as 30 mph. New snow accumulation of less than a half inch possible.
Friday Night
Mostly clear, with a low around 28. West southwest wind 10 to 16 mph, with gusts as high as 29 mph.
Saturday
Sunny, with a high near 49. West southwest wind 10 to 15 mph, with gusts as high as 28 mph.
Saturday Night
Mostly clear, with a low around 32. West southwest wind 7 to 14 mph, with gusts as high as 25 mph.
Sunday
Mostly sunny, with a high near 51.
Sunday Night
Mostly cloudy, with a low around 34.
Monday
Partly sunny, with a high near 54.
Monday Night
Partly cloudy, with a low around 37.
Tuesday
A slight chance of rain. Mostly sunny, with a high near 57.
Tuesday Night
A chance of rain and snow. Mostly cloudy, with a low around 34.
Wednesday
A chance of snow. Partly sunny, with a high near 45.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Marysville MT
 46.75°N 112.29°W (Elev. 5456 ft)
Last Update:
3:47 pm MDT Apr 1, 2026
Forecast Valid:
4pm MDT Apr 1, 2026-6pm MDT Apr 8, 2026
 
Forecast Discussion
 
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Additional Resources

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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