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 27%
Wind Speed S 16 MPH
Barometer NA
Dewpoint 9°F (-13°C)
Visibility NA
Wind Chill33°F (1°C)
Last update 19 Mar 02:15 PM MDT
Extended Forecast for

Marysville MT

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 34. West southwest wind 13 to 15 mph, with gusts as high as 26 mph.

    High: 34 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 25. Southwest wind 11 to 16 mph, with gusts as high as 25 mph.

    Low: 25 °F

    Mostly Cloudy

  • Thursday

    Thursday: Snow likely before 1pm, then a chance of snow after 2pm. Partly sunny, with a high near 30. Windy, with a west wind 13 to 18 mph increasing to 27 to 32 mph in the afternoon. Winds could gust as high as 50 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.

    High: 30 °F

    Snow Likely
    and Breezy
    then Chance
    Snow and
    Windy

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 23. Windy, with a west wind 22 to 32 mph, with gusts as high as 49 mph.

    Low: 23 °F

    Partly Cloudy
    and Windy

  • Friday

    Friday: A 20 percent chance of snow after noon. Partly sunny, with a high near 38. Breezy, with a west southwest wind 20 to 24 mph, with gusts as high as 39 mph.

    High: 38 °F

    Breezy.
    Partly Sunny
    then Slight
    Chance Snow

  • Friday Night

    Friday Night: Snow, mainly after midnight. Low around 27. Breezy, with a west southwest wind 20 to 24 mph, with gusts as high as 38 mph. Chance of precipitation is 80%. New snow accumulation of around an inch possible.

    Low: 27 °F

    Breezy.
    Chance Snow
    then Snow

  • Saturday

    Saturday: Snow. High near 30. Windy, with a west wind 25 to 33 mph, with gusts as high as 50 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.

    High: 30 °F

    Snow and
    Windy

  • Saturday Night

    Saturday Night: A slight chance of snow before midnight. Partly cloudy, with a low around 23. Windy, with a west wind 27 to 32 mph decreasing to 15 to 20 mph after midnight. Winds could gust as high as 47 mph.

    Low: 23 °F

    Slight Chance
    Snow and
    Windy then
    Mostly Cloudy

  • Sunday

    Sunday: A chance of snow after noon. Mostly cloudy, with a high near 36. Breezy.

    High: 36 °F

    Partly Sunny
    then Chance
    Snow and
    Breezy

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 34. West southwest wind 13 to 15 mph, with gusts as high as 26 mph.
Tonight
Mostly cloudy, with a low around 25. Southwest wind 11 to 16 mph, with gusts as high as 25 mph.
Thursday
Snow likely before 1pm, then a chance of snow after 2pm. Partly sunny, with a high near 30. Windy, with a west wind 13 to 18 mph increasing to 27 to 32 mph in the afternoon. Winds could gust as high as 50 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.
Thursday Night
Partly cloudy, with a low around 23. Windy, with a west wind 22 to 32 mph, with gusts as high as 49 mph.
Friday
A 20 percent chance of snow after noon. Partly sunny, with a high near 38. Breezy, with a west southwest wind 20 to 24 mph, with gusts as high as 39 mph.
Friday Night
Snow, mainly after midnight. Low around 27. Breezy, with a west southwest wind 20 to 24 mph, with gusts as high as 38 mph. Chance of precipitation is 80%. New snow accumulation of around an inch possible.
Saturday
Snow. High near 30. Windy, with a west wind 25 to 33 mph, with gusts as high as 50 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.
Saturday Night
A slight chance of snow before midnight. Partly cloudy, with a low around 23. Windy, with a west wind 27 to 32 mph decreasing to 15 to 20 mph after midnight. Winds could gust as high as 47 mph.
Sunday
A chance of snow after noon. Mostly cloudy, with a high near 36. Breezy.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 35. Breezy.
Monday
A chance of rain and snow. Mostly cloudy, with a high near 45. Breezy.
Monday Night
Mostly cloudy, with a low around 35. Breezy.
Tuesday
Mostly sunny, with a high near 51.
Click Map For Forecast
Disclaimer
Map Legend

ABOUT THIS FORECAST

 
Point Forecast:
Marysville MT
 46.75°N 112.32°W (Elev. 6463 ft)
Last Update:
2:12 pm MDT Mar 19, 2025
Forecast Valid:
2pm MDT Mar 19, 2025-6pm MDT Mar 25, 2025
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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