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

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...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

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