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

54°F

12°C

Humidity 63%
Wind Speed SE 7 MPH
Barometer NA
Dewpoint 42°F (6°C)
Visibility NA
Last update 11 Apr 07:00 PM MDT
Extended Forecast for

Marysville MT

  • Tonight

    Tonight: A chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and 10pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 37. West southwest wind 6 to 15 mph, with gusts as high as 26 mph. Chance of precipitation is 50%.

    Low: 37 °F

    Chance
    Showers then
    Partly Cloudy

  • Sunday

    Sunday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 4pm. High near 51. West southwest wind 5 to 10 mph becoming northeast in the morning. Winds could gust as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 51 °F

    Mostly Sunny
    then Showers

  • Sunday Night

    Sunday Night: Showers and possibly a thunderstorm before 9pm, then rain, mainly after 9pm. Low around 37. North wind 6 to 10 mph becoming west southwest after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 37 °F

    Showers

  • Monday

    Monday: Rain, possibly mixed with snow, becoming all rain after 3pm. High near 44. West wind 6 to 16 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.

    High: 44 °F

    Rain/Snow

  • Monday Night

    Monday Night: A 40 percent chance of rain before midnight. Mostly cloudy, with a low around 34. West wind around 18 mph, with gusts as high as 32 mph.

    Low: 34 °F

    Chance Rain
    then Mostly
    Cloudy

  • Tuesday

    Tuesday: A slight chance of snow before 3pm, then a slight chance of rain and snow. Mostly sunny, with a high near 47. Breezy, with a west southwest wind 16 to 24 mph, with gusts as high as 41 mph. Chance of precipitation is 20%.

    High: 47 °F

    Breezy.
    Slight Chance
    Snow then
    Slight Chance
    Rain/Snow

  • Tuesday Night

    Tuesday Night: A 40 percent chance of snow after midnight. Mostly cloudy, with a low around 34. Breezy, with a southwest wind 15 to 24 mph, with gusts as high as 40 mph. Little or no snow accumulation expected.

    Low: 34 °F

    Partly Cloudy
    and Breezy
    then Chance
    Snow

  • Wednesday

    Wednesday: Snow. Mostly cloudy, with a high near 43. Breezy, with a west southwest wind 15 to 22 mph, with gusts as high as 39 mph.

    High: 43 °F

    Snow and
    Breezy

  • Wednesday Night

    Wednesday Night: Snow. Mostly cloudy, with a low around 25.

    Low: 25 °F

    Snow

Detailed Forecast

Tonight
A chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and 10pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 37. West southwest wind 6 to 15 mph, with gusts as high as 26 mph. Chance of precipitation is 50%.
Sunday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 4pm. High near 51. West southwest wind 5 to 10 mph becoming northeast in the morning. Winds could gust as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday Night
Showers and possibly a thunderstorm before 9pm, then rain, mainly after 9pm. Low around 37. North wind 6 to 10 mph becoming west southwest after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Monday
Rain, possibly mixed with snow, becoming all rain after 3pm. High near 44. West wind 6 to 16 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.
Monday Night
A 40 percent chance of rain before midnight. Mostly cloudy, with a low around 34. West wind around 18 mph, with gusts as high as 32 mph.
Tuesday
A slight chance of snow before 3pm, then a slight chance of rain and snow. Mostly sunny, with a high near 47. Breezy, with a west southwest wind 16 to 24 mph, with gusts as high as 41 mph. Chance of precipitation is 20%.
Tuesday Night
A 40 percent chance of snow after midnight. Mostly cloudy, with a low around 34. Breezy, with a southwest wind 15 to 24 mph, with gusts as high as 40 mph. Little or no snow accumulation expected.
Wednesday
Snow. Mostly cloudy, with a high near 43. Breezy, with a west southwest wind 15 to 22 mph, with gusts as high as 39 mph.
Wednesday Night
Snow. Mostly cloudy, with a low around 25.
Thursday
Snow. Cloudy, with a high near 30.
Thursday Night
A chance of snow. Mostly cloudy, with a low around 21.
Friday
A chance of snow. Partly sunny, with a high near 38.
Friday Night
A slight chance of snow. Partly cloudy, with a low around 24.
Saturday
A slight chance of snow. Mostly sunny, with a high near 46.
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:
5:02 pm MDT Apr 11, 2026
Forecast Valid:
7pm MDT Apr 11, 2026-6pm MDT Apr 18, 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