Current conditions at

Sieben I-15 MP 216 (MTSBN)

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

NA

39°F

4°C

Humidity 69%
Wind Speed SE 9 MPH
Barometer NA
Dewpoint 30°F (-1°C)
Visibility NA
Wind Chill33°F (1°C)
Last update 31 Mar 09:30 PM MDT
Extended Forecast for

Marysville MT

Winter Storm Watch April 2, 06:00am until April 3, 06:00am
Click here for hazard details and duration
Winter Storm Watch
  • Tonight

    Tonight: A 20 percent chance of snow after 5am.  Mostly cloudy, with a low around 31. Southwest wind around 5 mph becoming calm  in the evening.

    Low: 31 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Wednesday

    Wednesday: A slight chance of snow before 10am, then a slight chance of rain and snow between 10am and noon, then rain likely after noon.  Partly sunny, with a high near 49. Calm wind becoming south southwest 5 to 8 mph in the afternoon.  Chance of precipitation is 60%. Little or no snow accumulation expected.

    High: 49 °F

    Slight Chance
    Rain/Snow
    then Rain
    Likely

  • Wednesday Night

    Wednesday Night: Rain.  Low around 34. South southeast wind 5 to 7 mph.  Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 34 °F

    Rain

  • Thursday

    Thursday: Rain and snow, becoming all snow after 9am.  High near 35. South wind 6 to 11 mph becoming west 13 to 18 mph in the morning. Winds could gust as high as 32 mph.  Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.

    High: 35 °F

    Rain/Snow
    then Snow

  • Thursday Night

    Thursday Night: Snow.  Low around 27. West northwest wind 10 to 17 mph, with gusts as high as 32 mph.  Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.

    Low: 27 °F

    Snow

  • Friday

    Friday: A 50 percent chance of snow.  Partly sunny, with a high near 39. West wind 10 to 14 mph, with gusts as high as 25 mph.  New snow accumulation of less than a half inch possible.

    High: 39 °F

    Chance Snow

  • Friday Night

    Friday Night: Mostly clear, with a low around 27. West southwest wind 9 to 14 mph, with gusts as high as 24 mph.

    Low: 27 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 48. Southwest wind 9 to 14 mph, with gusts as high as 25 mph.

    High: 48 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 33.

    Low: 33 °F

    Partly Cloudy

Detailed Forecast

Tonight
A 20 percent chance of snow after 5am. Mostly cloudy, with a low around 31. Southwest wind around 5 mph becoming calm in the evening.
Wednesday
A slight chance of snow before 10am, then a slight chance of rain and snow between 10am and noon, then rain likely after noon. Partly sunny, with a high near 49. Calm wind becoming south southwest 5 to 8 mph in the afternoon. Chance of precipitation is 60%. Little or no snow accumulation expected.
Wednesday Night
Rain. Low around 34. South southeast wind 5 to 7 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday
Rain and snow, becoming all snow after 9am. High near 35. South wind 6 to 11 mph becoming west 13 to 18 mph in the morning. Winds could gust as high as 32 mph. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.
Thursday Night
Snow. Low around 27. West northwest wind 10 to 17 mph, with gusts as high as 32 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.
Friday
A 50 percent chance of snow. Partly sunny, with a high near 39. West wind 10 to 14 mph, with gusts as high as 25 mph. New snow accumulation of less than a half inch possible.
Friday Night
Mostly clear, with a low around 27. West southwest wind 9 to 14 mph, with gusts as high as 24 mph.
Saturday
Sunny, with a high near 48. Southwest wind 9 to 14 mph, with gusts as high as 25 mph.
Saturday Night
Partly cloudy, with a low around 33.
Sunday
Mostly sunny, with a high near 54.
Sunday Night
Mostly cloudy, with a low around 34.
Monday
Partly sunny, with a high near 52.
Monday Night
Partly cloudy, with a low around 36.
Tuesday
A slight chance of rain. Mostly sunny, with a high near 57.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Marysville MT
 46.75°N 112.29°W (Elev. 5456 ft)
4:22 pm MDT Mar 31, 2026
9pm MDT Mar 31, 2026-6pm MDT Apr 7, 2026
 
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