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

29°C

85°F

Humidity 21%
Wind Speed SW 17 MPH
Barometer NA
Dewpoint 5°C (41°F)
Visibility NA
Heat Index28°C (82°F)
Last update 03 Jul 01:45 PM MDT
Extended Forecast for

Marysville MT

  • This Afternoon

    This Afternoon: Sunny, with a high near 23. West wind around 18 km/h, with gusts as high as 34 km/h.

    High: 23 °C

    Sunny

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 12. West southwest wind 10 to 18 km/h, with gusts as high as 32 km/h.

    Low: 12 °C

    Decreasing
    Clouds

  • Independence Day

    Independence Day: A slight chance of showers, then showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 16. North northeast wind 10 to 16 km/h. Chance of precipitation is 70%. New rainfall amounts between 7.5 mm and 1 cm possible.

    High: 16 °C

    Slight Chance
    Showers then
    Showers
    Likely

  • Friday Night

    Friday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 9. North wind 11 to 13 km/h becoming west after midnight. Chance of precipitation is 70%.

    Low: 9 °C

    Showers
    Likely then
    Chance
    Showers

  • Saturday

    Saturday: A chance of showers, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 15. West wind 11 to 18 km/h, with gusts as high as 32 km/h. Chance of precipitation is 70%.

    High: 15 °C

    Showers
    Likely

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 8. West southwest wind 10 to 16 km/h, with gusts as high as 29 km/h.

    Low: 8 °C

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 19. West southwest wind 10 to 18 km/h, with gusts as high as 32 km/h.

    High: 19 °C

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 11. West southwest wind 10 to 18 km/h, with gusts as high as 32 km/h.

    Low: 11 °C

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 22.

    High: 22 °C

    Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 23. West wind around 18 km/h, with gusts as high as 34 km/h.
Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 12. West southwest wind 10 to 18 km/h, with gusts as high as 32 km/h.
Independence Day
A slight chance of showers, then showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 16. North northeast wind 10 to 16 km/h. Chance of precipitation is 70%. New rainfall amounts between 7.5 mm and 1 cm possible.
Friday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 9. North wind 11 to 13 km/h becoming west after midnight. Chance of precipitation is 70%.
Saturday
A chance of showers, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 15. West wind 11 to 18 km/h, with gusts as high as 32 km/h. Chance of precipitation is 70%.
Saturday Night
Partly cloudy, with a low around 8. West southwest wind 10 to 16 km/h, with gusts as high as 29 km/h.
Sunday
Sunny, with a high near 19. West southwest wind 10 to 18 km/h, with gusts as high as 32 km/h.
Sunday Night
Mostly clear, with a low around 11. West southwest wind 10 to 18 km/h, with gusts as high as 32 km/h.
Monday
Sunny, with a high near 22.
Monday Night
Mostly clear, with a low around 12.
Tuesday
Sunny, with a high near 25.
Tuesday Night
Mostly clear, with a low around 14.
Wednesday
Sunny, with a high near 26.
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 m)
Last Update:
11:27 am MDT Jul 3, 2025
Forecast Valid:
2pm MDT Jul 3, 2025-6pm MDT Jul 9, 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