Current conditions at

Sieben I-15 MP 216 (MTSBN)

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

NA

76°F

24°C

Humidity 24%
Wind Speed WNW 21 MPH
Barometer NA
Dewpoint 37°F (3°C)
Visibility NA
Heat Index77°F (25°C)
Last update 16 Jun 12:00 PM MDT
Extended Forecast for

Marysville MT

High Wind Warning until June 17, 12:00am
Click here for hazard details and duration
High Wind Warning
  •  
    High Wind Warning until June 17, 12:00am

    NOW until 12:00am Wed

    High Wind Warning

  • This Afternoon

    High: 69 °F

    Sunny and
    Windy

  • Tonight

    Tonight: Mostly clear, with a low around 49. Windy, with a west wind 22 to 32 mph decreasing to 11 to 21 mph after midnight. Winds could gust as high as 49 mph.

    Low: 49 °F

    Mostly Clear
    and Windy

  • Wednesday

    Wednesday: A slight chance of showers and thunderstorms between 3pm and 5pm.  Mostly sunny, with a high near 59. West northwest wind 8 to 16 mph, with gusts as high as 26 mph.  Chance of precipitation is 20%.

    High: 59 °F

    Sunny then
    Slight Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 43. Northwest wind 5 to 15 mph becoming west southwest after midnight. Winds could gust as high as 25 mph.

    Low: 43 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 63. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 63 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 46. West northwest wind 8 to 13 mph becoming light  after midnight. Winds could gust as high as 23 mph.

    Low: 46 °F

    Mostly Clear

  • Juneteenth

    Juneteenth: Mostly sunny, with a high near 68. North northwest wind 5 to 8 mph becoming northeast in the afternoon.

    High: 68 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 51. North northeast wind 5 to 10 mph becoming west after midnight. Winds could gust as high as 20 mph.

    Low: 51 °F

    Partly Cloudy

Detailed Forecast

This Afternoon
Sunny, with a high near 69. Windy, with a west wind 26 to 30 mph, with gusts as high as 48 mph.
Tonight
Mostly clear, with a low around 49. Windy, with a west wind 22 to 32 mph decreasing to 11 to 21 mph after midnight. Winds could gust as high as 49 mph.
Wednesday
A slight chance of showers and thunderstorms between 3pm and 5pm. Mostly sunny, with a high near 59. West northwest wind 8 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 20%.
Wednesday Night
Partly cloudy, with a low around 43. Northwest wind 5 to 15 mph becoming west southwest after midnight. Winds could gust as high as 25 mph.
Thursday
Sunny, with a high near 63. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Thursday Night
Mostly clear, with a low around 46. West northwest wind 8 to 13 mph becoming light after midnight. Winds could gust as high as 23 mph.
Juneteenth
Mostly sunny, with a high near 68. North northwest wind 5 to 8 mph becoming northeast in the afternoon.
Friday Night
Partly cloudy, with a low around 51. North northeast wind 5 to 10 mph becoming west after midnight. Winds could gust as high as 20 mph.
Saturday
Mostly sunny, with a high near 67.
Saturday Night
A slight chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 47.
Sunday
A chance of showers and thunderstorms. Mostly sunny, with a high near 60.
Sunday Night
A slight chance of showers. Partly cloudy, with a low around 44.
Monday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 60.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Marysville MT
 46.75°N 112.32°W (Elev. 6463 ft)
10:51 am MDT Jun 16, 2026
12pm MDT Jun 16, 2026-6pm MDT Jun 22, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database