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.

NA

43°F

6°C

Humidity 69%
Wind Speed NNE 8 MPH
Barometer NA
Dewpoint 33°F (1°C)
Visibility NA
Wind Chill38°F (3°C)
Last update 20 Apr 11:30 PM MDT
Extended Forecast for

Marysville MT

  • Tonight

    Tonight: A 50 percent chance of snow showers. Mostly cloudy, with a low around 31. West wind around 9 mph. Total nighttime snow accumulation of less than a half inch possible.

    Low: 31 °F

    Chance Snow
    Showers

  • Monday

    Monday: Snow showers likely. Mostly cloudy, with a high near 37. Breezy, with a west wind 10 to 15 mph increasing to 20 to 25 mph in the afternoon. Winds could gust as high as 40 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    High: 37 °F

    Snow Showers
    Likely and
    Breezy

  • Monday Night

    Monday Night: A 20 percent chance of snow showers before 7pm. Partly cloudy, with a low around 26. Breezy, with a west wind 21 to 26 mph decreasing to 13 to 18 mph after midnight. Winds could gust as high as 39 mph.

    Low: 26 °F

    Slight Chance
    Snow Showers
    and Breezy
    then Partly
    Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of snow showers after noon. Mostly sunny, with a high near 40. West wind 11 to 14 mph, with gusts as high as 23 mph.

    High: 40 °F

    Mostly Sunny
    then Slight
    Chance Snow
    Showers

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 28. West northwest wind 5 to 11 mph, with gusts as high as 20 mph.

    Low: 28 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A 30 percent chance of snow showers after noon. Mostly sunny, with a high near 44. West northwest wind 5 to 10 mph becoming north northeast in the afternoon. Winds could gust as high as 18 mph. Little or no snow accumulation expected.

    High: 44 °F

    Mostly Sunny
    then Chance
    Snow Showers

  • Wednesday Night

    Wednesday Night: A 20 percent chance of snow showers before midnight. Partly cloudy, with a low around 30. North northwest wind 8 to 11 mph, with gusts as high as 20 mph.

    Low: 30 °F

    Slight Chance
    Snow Showers
    then Partly
    Cloudy

  • Thursday

    Thursday: A chance of snow showers, mainly after noon. Mostly sunny, with a high near 45. North wind 8 to 14 mph, with gusts as high as 22 mph.

    High: 45 °F

    Chance Snow
    Showers

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 30.

    Low: 30 °F

    Mostly Clear

Detailed Forecast

Tonight
A 50 percent chance of snow showers. Mostly cloudy, with a low around 31. West wind around 9 mph. Total nighttime snow accumulation of less than a half inch possible.
Monday
Snow showers likely. Mostly cloudy, with a high near 37. Breezy, with a west wind 10 to 15 mph increasing to 20 to 25 mph in the afternoon. Winds could gust as high as 40 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Monday Night
A 20 percent chance of snow showers before 7pm. Partly cloudy, with a low around 26. Breezy, with a west wind 21 to 26 mph decreasing to 13 to 18 mph after midnight. Winds could gust as high as 39 mph.
Tuesday
A 20 percent chance of snow showers after noon. Mostly sunny, with a high near 40. West wind 11 to 14 mph, with gusts as high as 23 mph.
Tuesday Night
Partly cloudy, with a low around 28. West northwest wind 5 to 11 mph, with gusts as high as 20 mph.
Wednesday
A 30 percent chance of snow showers after noon. Mostly sunny, with a high near 44. West northwest wind 5 to 10 mph becoming north northeast in the afternoon. Winds could gust as high as 18 mph. Little or no snow accumulation expected.
Wednesday Night
A 20 percent chance of snow showers before midnight. Partly cloudy, with a low around 30. North northwest wind 8 to 11 mph, with gusts as high as 20 mph.
Thursday
A chance of snow showers, mainly after noon. Mostly sunny, with a high near 45. North wind 8 to 14 mph, with gusts as high as 22 mph.
Thursday Night
Mostly clear, with a low around 30.
Friday
A slight chance of showers after noon. Mostly sunny, with a high near 51.
Friday Night
A chance of showers. Mostly cloudy, with a low around 36.
Saturday
Showers likely. Mostly cloudy, with a high near 50.
Saturday Night
Rain and snow showers likely. Mostly cloudy, with a low around 34.
Sunday
Rain and snow showers likely. Mostly cloudy, with a high near 43.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Marysville MT
 46.75°N 112.32°W (Elev. 6463 ft)
Last Update:
10:38 pm MDT Apr 20, 2025
Forecast Valid:
11pm MDT Apr 20, 2025-6pm MDT Apr 27, 2025
 
Forecast Discussion
 
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Additional Resources

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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