Current conditions at

Sieben I-15 MP 216 (MTSBN)

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

NA

41°F

5°C

Humidity 56%
Wind Speed W 23 MPH
Barometer NA
Dewpoint 26°F (-3°C)
Visibility NA
Wind Chill31°F (-1°C)
Last update 11 Mar 07:30 PM MDT
Extended Forecast for

Marysville MT

Winter Storm Warning until March 13, 12:00pm
High Wind Warning March 12, 12:00am until March 12, 06:00pm
Click here for hazard details and duration
Winter Storm Warning
High Wind Warning
  •  
    Winter Storm Warning until March 13, 12:00pm

    NOW until 12:00pm Fri

    Winter Storm Warning

  • Tonight

    Low: 33 °F

    Rain/Snow and
    Patchy
    Blowing Snow

  • Thursday

    Thursday: Snow. The snow could be heavy at times.  Widespread blowing snow before 1pm, then widespread blowing snow after 3pm. High near 37. Windy, with a west wind 34 to 44 mph, with gusts as high as 70 mph.  Chance of precipitation is 90%. New snow accumulation of 4 to 8 inches possible.

    High: 37 °F

    Heavy Snow
    and Blowing
    Snow

  • Thursday Night

    Thursday Night: Snow.  Widespread blowing snow, mainly between 8pm and 9pm. Low around 28. Windy, with a west wind 28 to 33 mph decreasing to 20 to 25 mph after midnight. Winds could gust as high as 55 mph.  Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.

    Low: 28 °F

    Snow and
    Blowing Snow

  • Friday

    Friday: Snow.  High near 35. West wind around 17 mph, with gusts as high as 34 mph.  Chance of precipitation is 90%. New snow accumulation of 3 to 5 inches possible.

    High: 35 °F

    Snow

  • Friday Night

    Friday Night: Snow.  Low around 29. West wind 8 to 17 mph, with gusts as high as 31 mph.  Chance of precipitation is 90%. New snow accumulation of 4 to 6 inches possible.

    Low: 29 °F

    Snow

  • Saturday

    Saturday: Snow.  High near 34. Breezy, with a west wind 9 to 14 mph increasing to 18 to 23 mph in the afternoon. Winds could gust as high as 41 mph.  Chance of precipitation is 100%. New snow accumulation of 3 to 7 inches possible.

    High: 34 °F

    Snow and
    Breezy

  • Saturday Night

    Saturday Night: Snow, mainly before midnight.  Low around 10. Blustery, with a north northwest wind 23 to 28 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 44 mph.  Chance of precipitation is 90%. New snow accumulation of 3 to 5 inches possible.

    Low: 10 °F

    Snow and
    Blustery then
    Chance Snow

  • Sunday

    Sunday: A chance of snow.  Partly sunny, with a high near 30. West southwest wind 8 to 13 mph, with gusts as high as 24 mph.

    High: 30 °F

    Chance Snow

Detailed Forecast

Tonight
Snow likely before 2am, then snow, possibly mixed with rain. Patchy blowing snow between 1am and 2am. Low around 33. Windy, with a west southwest wind 25 to 30 mph increasing to 36 to 41 mph after midnight. Winds could gust as high as 65 mph. Chance of precipitation is 80%. Total nighttime snow accumulation of 1 to 3 inches possible.
Thursday
Snow. The snow could be heavy at times. Widespread blowing snow before 1pm, then widespread blowing snow after 3pm. High near 37. Windy, with a west wind 34 to 44 mph, with gusts as high as 70 mph. Chance of precipitation is 90%. New snow accumulation of 4 to 8 inches possible.
Thursday Night
Snow. Widespread blowing snow, mainly between 8pm and 9pm. Low around 28. Windy, with a west wind 28 to 33 mph decreasing to 20 to 25 mph after midnight. Winds could gust as high as 55 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.
Friday
Snow. High near 35. West wind around 17 mph, with gusts as high as 34 mph. Chance of precipitation is 90%. New snow accumulation of 3 to 5 inches possible.
Friday Night
Snow. Low around 29. West wind 8 to 17 mph, with gusts as high as 31 mph. Chance of precipitation is 90%. New snow accumulation of 4 to 6 inches possible.
Saturday
Snow. High near 34. Breezy, with a west wind 9 to 14 mph increasing to 18 to 23 mph in the afternoon. Winds could gust as high as 41 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 7 inches possible.
Saturday Night
Snow, mainly before midnight. Low around 10. Blustery, with a north northwest wind 23 to 28 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 44 mph. Chance of precipitation is 90%. New snow accumulation of 3 to 5 inches possible.
Sunday
A chance of snow. Partly sunny, with a high near 30. West southwest wind 8 to 13 mph, with gusts as high as 24 mph.
Sunday Night
Snow likely, mainly after midnight. Mostly cloudy, with a low around 25.
Monday
Snow likely before noon, then rain and snow likely between noon and 3pm, then rain likely after 3pm. Mostly cloudy, with a high near 43.
Monday Night
A chance of rain. Mostly cloudy, with a low around 38.
Tuesday
A slight chance of rain. Partly sunny, with a high near 52.
Tuesday Night
Partly cloudy, with a low around 38.
Wednesday
Mostly sunny, with a high near 57.
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ABOUT THIS FORECAST

 
Point Forecast:
Marysville MT
 46.75°N 112.29°W (Elev. 5456 ft)
6:37 pm MDT Mar 11, 2026
7pm MDT Mar 11, 2026-6pm MDT Mar 18, 2026
 
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Additional Resources

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