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

Sieben I-15 MP 216 (MTSBN)

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

NA

41°F

5°C

Humidity 65%
Wind Speed NNE 3 MPH
Barometer NA
Dewpoint 30°F (-1°C)
Visibility NA
Last update 15 Apr 06:30 AM MDT
Extended Forecast for

6 Miles WNW Marysville MT

  • Today

    Today: A chance of rain and snow before noon, then rain. High near 48. West southwest wind 8 to 15 mph, with gusts as high as 32 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.

    High: 48 °F

    Chance
    Rain/Snow
    then Rain

  • Tonight

    Tonight: Rain and snow, becoming all snow after midnight. Low around 24. West wind 8 to 14 mph, with gusts as high as 29 mph. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.

    Low: 24 °F

    Rain/Snow
    then Snow
    Likely

  • Thursday

    Thursday: Snow. High near 34. West northwest wind 8 to 13 mph, with gusts as high as 26 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

    High: 34 °F

    Snow

  • Thursday Night

    Thursday Night: A 50 percent chance of snow, mainly before midnight. Mostly cloudy, with a low around 24. West wind 6 to 11 mph, with gusts as high as 25 mph. New snow accumulation of less than one inch possible.

    Low: 24 °F

    Chance Snow
    then Slight
    Chance Snow

  • Friday

    Friday: Snow, mainly after noon. High near 38. West wind 5 to 10 mph, with gusts as high as 24 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.

    High: 38 °F

    Chance Snow
    then Snow

  • Friday Night

    Friday Night: A 20 percent chance of snow before midnight. Partly cloudy, with a low around 24. North northwest wind 5 to 10 mph becoming west southwest after midnight. Winds could gust as high as 22 mph.

    Low: 24 °F

    Slight Chance
    Snow then
    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 50. West southwest wind 6 to 10 mph, with gusts as high as 23 mph.

    High: 50 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 30. Southwest wind 5 to 9 mph, with gusts as high as 20 mph.

    Low: 30 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 60.

    High: 60 °F

    Sunny

Detailed Forecast

Today
A chance of rain and snow before noon, then rain. High near 48. West southwest wind 8 to 15 mph, with gusts as high as 32 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.
Tonight
Rain and snow, becoming all snow after midnight. Low around 24. West wind 8 to 14 mph, with gusts as high as 29 mph. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.
Thursday
Snow. High near 34. West northwest wind 8 to 13 mph, with gusts as high as 26 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.
Thursday Night
A 50 percent chance of snow, mainly before midnight. Mostly cloudy, with a low around 24. West wind 6 to 11 mph, with gusts as high as 25 mph. New snow accumulation of less than one inch possible.
Friday
Snow, mainly after noon. High near 38. West wind 5 to 10 mph, with gusts as high as 24 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.
Friday Night
A 20 percent chance of snow before midnight. Partly cloudy, with a low around 24. North northwest wind 5 to 10 mph becoming west southwest after midnight. Winds could gust as high as 22 mph.
Saturday
Sunny, with a high near 50. West southwest wind 6 to 10 mph, with gusts as high as 23 mph.
Saturday Night
Partly cloudy, with a low around 30. Southwest wind 5 to 9 mph, with gusts as high as 20 mph.
Sunday
Sunny, with a high near 60.
Sunday Night
Partly cloudy, with a low around 37.
Monday
A slight chance of rain. Mostly sunny, with a high near 63.
Monday Night
A slight chance of rain. Partly cloudy, with a low around 40.
Tuesday
A chance of rain and snow. Partly sunny, with a high near 65.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
6 Miles WNW Marysville MT
 46.78°N 112.42°W (Elev. 4905 ft)
Last Update:
4:02 am MDT Apr 15, 2026
Forecast Valid:
6am MDT Apr 15, 2026-6pm MDT Apr 21, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation