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.

unknown precip

50°F

10°C

Humidity 97%
Wind Speed NNW 7 MPH
Barometer NA
Dewpoint 49°F (9°C)
Visibility NA
Wind Chill47°F (8°C)
Last update 15 Jul 11:30 PM MDT
Extended Forecast for

Marysville MT

  • Tonight

    Tonight: A 50 percent chance of showers, mainly before 1am. Cloudy, with a low around 43. North northeast wind 10 to 16 mph, with gusts as high as 26 mph.

    Low: 43 °F

    Chance
    Showers

  • Wednesday

    Wednesday: Cloudy through mid morning, then gradual clearing, with a high near 61. North northeast wind 6 to 9 mph becoming east in the afternoon.

    High: 61 °F

    Gradual
    Clearing

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 47. East wind 6 to 8 mph becoming south southwest after midnight.

    Low: 47 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 72. South southwest wind 6 to 13 mph, with gusts as high as 23 mph.

    High: 72 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 51. West northwest wind 7 to 14 mph, with gusts as high as 24 mph.

    Low: 51 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 73. West northwest wind 6 to 9 mph, with gusts as high as 18 mph.

    High: 73 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 54. North northwest wind 6 to 10 mph becoming west southwest after midnight. Winds could gust as high as 18 mph.

    Low: 54 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 76. Southwest wind 6 to 13 mph, with gusts as high as 23 mph.

    High: 76 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 55.

    Low: 55 °F

    Partly Cloudy

Detailed Forecast

Tonight
A 50 percent chance of showers, mainly before 1am. Cloudy, with a low around 43. North northeast wind 10 to 16 mph, with gusts as high as 26 mph.
Wednesday
Cloudy through mid morning, then gradual clearing, with a high near 61. North northeast wind 6 to 9 mph becoming east in the afternoon.
Wednesday Night
Mostly clear, with a low around 47. East wind 6 to 8 mph becoming south southwest after midnight.
Thursday
Sunny, with a high near 72. South southwest wind 6 to 13 mph, with gusts as high as 23 mph.
Thursday Night
Mostly clear, with a low around 51. West northwest wind 7 to 14 mph, with gusts as high as 24 mph.
Friday
Sunny, with a high near 73. West northwest wind 6 to 9 mph, with gusts as high as 18 mph.
Friday Night
Mostly clear, with a low around 54. North northwest wind 6 to 10 mph becoming west southwest after midnight. Winds could gust as high as 18 mph.
Saturday
Mostly sunny, with a high near 76. Southwest wind 6 to 13 mph, with gusts as high as 23 mph.
Saturday Night
Partly cloudy, with a low around 55.
Sunday
Mostly sunny, with a high near 72.
Sunday Night
Partly cloudy, with a low around 54.
Monday
Mostly sunny, with a high near 71.
Monday Night
A slight chance of showers. Mostly cloudy, with a low around 51.
Tuesday
A chance of showers and thunderstorms. Partly sunny, with a high near 64.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Marysville MT
 46.75°N 112.32°W (Elev. 6463 ft)
Last Update:
10:19 pm MDT Jul 15, 2025
Forecast Valid:
11pm MDT Jul 15, 2025-6pm MDT Jul 22, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation