PNS25-72: Soliciting Comments through December 19, 2025 on the Discontinuation of the Max/Min Temperature and Precipitation Table Product (RTP) for all NWS Alaska Region, Eastern Region, and Western Region Offices.

Read More >

Current conditions at

Sieben I-15 MP 216 (MTSBN)

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

NA

39°F

4°C

Humidity 81%
Wind Speed SSW 7 MPH
Barometer NA
Dewpoint 34°F (1°C)
Visibility NA
Wind Chill34°F (1°C)
Last update 20 Nov 11:15 AM MST
Extended Forecast for

Marysville MT

  • Today

    Today: Sunny, with a high near 43. South wind 3 to 6 mph.

    High: 43 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 31. West southwest wind 6 to 13 mph, with gusts as high as 20 mph.

    Low: 31 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 40. West southwest wind 11 to 14 mph, with gusts as high as 25 mph.

    High: 40 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 31. West southwest wind 13 to 16 mph, with gusts as high as 26 mph.

    Low: 31 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 43. West southwest wind 10 to 14 mph, with gusts as high as 24 mph.

    High: 43 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 31. West southwest wind 8 to 13 mph, with gusts as high as 21 mph.

    Low: 31 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 45. Southwest wind 8 to 13 mph, with gusts as high as 21 mph.

    High: 45 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A slight chance of rain and snow after 11pm.  Mostly cloudy, with a low around 33. Southwest wind 7 to 14 mph, with gusts as high as 24 mph.

    Low: 33 °F

    Slight Chance
    Rain/Snow

  • Monday

    Monday: A chance of snow.  Partly sunny, with a high near 38.

    High: 38 °F

    Chance Snow

Detailed Forecast

Today
Sunny, with a high near 43. South wind 3 to 6 mph.
Tonight
Mostly clear, with a low around 31. West southwest wind 6 to 13 mph, with gusts as high as 20 mph.
Friday
Sunny, with a high near 40. West southwest wind 11 to 14 mph, with gusts as high as 25 mph.
Friday Night
Partly cloudy, with a low around 31. West southwest wind 13 to 16 mph, with gusts as high as 26 mph.
Saturday
Mostly sunny, with a high near 43. West southwest wind 10 to 14 mph, with gusts as high as 24 mph.
Saturday Night
Mostly cloudy, with a low around 31. West southwest wind 8 to 13 mph, with gusts as high as 21 mph.
Sunday
Mostly sunny, with a high near 45. Southwest wind 8 to 13 mph, with gusts as high as 21 mph.
Sunday Night
A slight chance of rain and snow after 11pm. Mostly cloudy, with a low around 33. Southwest wind 7 to 14 mph, with gusts as high as 24 mph.
Monday
A chance of snow. Partly sunny, with a high near 38.
Monday Night
A chance of snow. Mostly cloudy, with a low around 22.
Tuesday
A chance of snow. Partly sunny, with a high near 28.
Tuesday Night
A slight chance of snow. Partly cloudy, with a low around 17.
Wednesday
A slight chance of snow. Mostly sunny, with a high near 27.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Marysville MT
 46.75°N 112.29°W (Elev. 5456 ft)
9:47 am MST Nov 20, 2025
11am MST Nov 20, 2025-6pm MST Nov 26, 2025
 
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