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

52°F

11°C

Humidity 36%
Wind Speed WNW 22 MPH
Barometer NA
Dewpoint 26°F (-3°C)
Visibility NA
Last update 21 May 10:45 AM MDT
Extended Forecast for

Marysville MT

  • Today

    Today: A slight chance of snow showers, mixing with rain after 3pm, then gradually ending. Mostly sunny, with a high near 48. West wind 14 to 20 mph, with gusts as high as 31 mph. Chance of precipitation is 20%.

    High: 48 °F

    Slight Chance
    Rain/Snow

  • Tonight

    Tonight: Increasing clouds, with a low around 36. West wind 5 to 14 mph becoming southeast after midnight. Winds could gust as high as 24 mph.

    Low: 36 °F

    Increasing
    Clouds

  • Thursday

    Thursday: Showers after noon. High near 50. East wind 6 to 8 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 50 °F

    Mostly Cloudy
    then Showers

  • Thursday Night

    Thursday Night: Showers likely, mainly before midnight. Mostly cloudy, with a low around 37. Northeast wind 7 to 10 mph becoming west southwest after midnight. Chance of precipitation is 60%.

    Low: 37 °F

    Showers
    Likely then
    Slight Chance
    Showers

  • Friday

    Friday: A 50 percent chance of showers, mainly after noon. Partly sunny, with a high near 53. West wind around 10 mph.

    High: 53 °F

    Slight Chance
    Showers then
    Chance
    Showers

  • Friday Night

    Friday Night: A 20 percent chance of showers before midnight. Partly cloudy, with a low around 39. West wind 7 to 10 mph.

    Low: 39 °F

    Slight Chance
    Showers then
    Partly Cloudy

  • Saturday

    Saturday: A 30 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 56. West northwest wind 6 to 10 mph, with gusts as high as 20 mph.

    High: 56 °F

    Mostly Sunny
    then Chance
    Showers

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 39. North northwest wind 6 to 11 mph becoming west southwest after midnight. Winds could gust as high as 20 mph.

    Low: 39 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 63.

    High: 63 °F

    Sunny

Detailed Forecast

Today
A slight chance of snow showers, mixing with rain after 3pm, then gradually ending. Mostly sunny, with a high near 48. West wind 14 to 20 mph, with gusts as high as 31 mph. Chance of precipitation is 20%.
Tonight
Increasing clouds, with a low around 36. West wind 5 to 14 mph becoming southeast after midnight. Winds could gust as high as 24 mph.
Thursday
Showers after noon. High near 50. East wind 6 to 8 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday Night
Showers likely, mainly before midnight. Mostly cloudy, with a low around 37. Northeast wind 7 to 10 mph becoming west southwest after midnight. Chance of precipitation is 60%.
Friday
A 50 percent chance of showers, mainly after noon. Partly sunny, with a high near 53. West wind around 10 mph.
Friday Night
A 20 percent chance of showers before midnight. Partly cloudy, with a low around 39. West wind 7 to 10 mph.
Saturday
A 30 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 56. West northwest wind 6 to 10 mph, with gusts as high as 20 mph.
Saturday Night
Mostly clear, with a low around 39. North northwest wind 6 to 11 mph becoming west southwest after midnight. Winds could gust as high as 20 mph.
Sunday
Sunny, with a high near 63.
Sunday Night
Mostly clear, with a low around 44.
Memorial Day
A slight chance of showers. Sunny, with a high near 68.
Monday Night
A slight chance of showers. Partly cloudy, with a low around 48.
Tuesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 68.
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 112.32°W (Elev. 6463 ft)
Last Update:
7:50 am MDT May 21, 2025
Forecast Valid:
11am MDT May 21, 2025-6pm MDT May 27, 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