National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

PNS26-03: Soliciting Comments through February 9, 2026 on the Discontinuation of the State Forecast Product (SFP)

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Current conditions at

Sieben I-15 MP 216 (MTSBN)

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

NA

34°F

1°C

Humidity 33%
Wind Speed NNE 11 MPH
Barometer NA
Dewpoint 8°F (-13°C)
Visibility NA
Wind Chill26°F (-3°C)
Last update 15 Jan 06:30 PM MST
Extended Forecast for

Marysville MT

  • Tonight

    Tonight: A 20 percent chance of snow before 11pm. Partly cloudy, with a low around 20. North northwest wind 6 to 11 mph, with gusts as high as 18 mph.

    Low: 20 °F

    Slight Chance
    Snow then
    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 29. North northwest wind 3 to 6 mph.

    High: 29 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 18. West northwest wind around 7 mph.

    Low: 18 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 36. West southwest wind 7 to 10 mph, with gusts as high as 20 mph.

    High: 36 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 25. West wind 7 to 10 mph, with gusts as high as 20 mph.

    Low: 25 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 31. West northwest wind around 7 mph becoming north northeast in the afternoon.

    High: 31 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 19. Northeast wind around 6 mph becoming southwest in the evening.

    Low: 19 °F

    Partly Cloudy

  • M.L.King Day

    M.L.King Day: Sunny, with a high near 34. West southwest wind 6 to 8 mph.

    High: 34 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 25.

    Low: 25 °F

    Partly Cloudy

Detailed Forecast

Tonight
A 20 percent chance of snow before 11pm. Partly cloudy, with a low around 20. North northwest wind 6 to 11 mph, with gusts as high as 18 mph.
Friday
Mostly sunny, with a high near 29. North northwest wind 3 to 6 mph.
Friday Night
Mostly clear, with a low around 18. West northwest wind around 7 mph.
Saturday
Sunny, with a high near 36. West southwest wind 7 to 10 mph, with gusts as high as 20 mph.
Saturday Night
Mostly clear, with a low around 25. West wind 7 to 10 mph, with gusts as high as 20 mph.
Sunday
Mostly sunny, with a high near 31. West northwest wind around 7 mph becoming north northeast in the afternoon.
Sunday Night
Partly cloudy, with a low around 19. Northeast wind around 6 mph becoming southwest in the evening.
M.L.King Day
Sunny, with a high near 34. West southwest wind 6 to 8 mph.
Monday Night
Partly cloudy, with a low around 25.
Tuesday
Partly sunny, with a high near 35.
Tuesday Night
A slight chance of snow. Mostly cloudy, with a low around 22.
Wednesday
A slight chance of snow. Partly sunny, with a high near 34.
Wednesday Night
A slight chance of snow. Mostly cloudy, with a low around 25.
Thursday
A chance of snow. Partly sunny, with a high near 33.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Marysville MT
 46.75°N 112.29°W (Elev. 5456 ft)
Last Update:
3:38 pm MST Jan 15, 2026
Forecast Valid:
6pm MST Jan 15, 2026-6pm MST Jan 22, 2026
 
Forecast Discussion
 
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