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

66°F

19°C

Humidity 33%
Wind Speed ESE 2 MPH
Barometer NA
Dewpoint 36°F (2°C)
Visibility NA
Last update 13 May 09:00 AM MDT
Extended Forecast for

Marysville MT

High Wind Warning May 13, 06:00pm until May 15, 12:00am
Click here for hazard details and duration
High Wind Warning

  • Today

    Today: Showers and thunderstorms likely, mainly after 4pm. Partly sunny, with a high near 75. Breezy, with a south southeast wind 7 to 12 mph becoming west southwest 21 to 26 mph in the afternoon. Winds could gust as high as 44 mph. Chance of precipitation is 70%.

    High: 75 °F

    Mostly Sunny
    then T-storms
    Likely and
    Breezy

  • Tonight

    Tonight: A 40 percent chance of showers and thunderstorms, mainly before 7pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 38. Very windy, with a west wind 30 to 35 mph increasing to 42 to 47 mph after midnight. Winds could gust as high as 70 mph.

    Low: 38 °F

    Chance
    T-storms and
    Windy then
    Partly Cloudy
    and Very
    Windy

  • Thursday

    Thursday: Sunny, with a high near 52. Very windy, with a west wind 40 to 45 mph decreasing to 33 to 38 mph in the afternoon. Winds could gust as high as 70 mph.

    High: 52 °F

    Sunny and
    Very Windy

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 41. Windy, with a west wind 28 to 33 mph, with gusts as high as 50 mph.

    Low: 41 °F

    Mostly Clear
    and Windy

  • Friday

    Friday: Sunny, with a high near 53. Windy, with a west wind 31 to 36 mph decreasing to 23 to 28 mph in the afternoon. Winds could gust as high as 48 mph.

    High: 53 °F

    Sunny and
    Windy

  • Friday Night

    Friday Night: Partly cloudy, with a low around 36. Breezy, with a west wind 17 to 22 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 33 mph.

    Low: 36 °F

    Mostly Clear
    and Breezy
    then Mostly
    Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 47. Breezy, with a west wind 9 to 14 mph increasing to 17 to 22 mph in the morning. Winds could gust as high as 32 mph.

    High: 47 °F

    Partly Sunny
    and Breezy

  • Saturday Night

    Saturday Night: A slight chance of snow after midnight. Mostly cloudy, with a low around 30. West wind 16 to 21 mph decreasing to 8 to 13 mph after midnight. Winds could gust as high as 30 mph.

    Low: 30 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Sunday

    Sunday: A chance of snow showers before 3pm, then a chance of rain and snow showers. Some thunder is also possible. Partly sunny, with a high near 42.

    High: 42 °F

    Chance Snow
    then Chance
    Rain/Snow

Detailed Forecast

Today
Showers and thunderstorms likely, mainly after 4pm. Partly sunny, with a high near 75. Breezy, with a south southeast wind 7 to 12 mph becoming west southwest 21 to 26 mph in the afternoon. Winds could gust as high as 44 mph. Chance of precipitation is 70%.
Tonight
A 40 percent chance of showers and thunderstorms, mainly before 7pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 38. Very windy, with a west wind 30 to 35 mph increasing to 42 to 47 mph after midnight. Winds could gust as high as 70 mph.
Thursday
Sunny, with a high near 52. Very windy, with a west wind 40 to 45 mph decreasing to 33 to 38 mph in the afternoon. Winds could gust as high as 70 mph.
Thursday Night
Mostly clear, with a low around 41. Windy, with a west wind 28 to 33 mph, with gusts as high as 50 mph.
Friday
Sunny, with a high near 53. Windy, with a west wind 31 to 36 mph decreasing to 23 to 28 mph in the afternoon. Winds could gust as high as 48 mph.
Friday Night
Partly cloudy, with a low around 36. Breezy, with a west wind 17 to 22 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 33 mph.
Saturday
Partly sunny, with a high near 47. Breezy, with a west wind 9 to 14 mph increasing to 17 to 22 mph in the morning. Winds could gust as high as 32 mph.
Saturday Night
A slight chance of snow after midnight. Mostly cloudy, with a low around 30. West wind 16 to 21 mph decreasing to 8 to 13 mph after midnight. Winds could gust as high as 30 mph.
Sunday
A chance of snow showers before 3pm, then a chance of rain and snow showers. Some thunder is also possible. Partly sunny, with a high near 42.
Sunday Night
A chance of rain and snow before 9pm, then a chance of snow. Mostly cloudy, with a low around 29.
Monday
A slight chance of rain and snow. Partly sunny, with a high near 50.
Monday Night
Mostly cloudy, with a low around 34.
Tuesday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 56.
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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:
4:47 am MDT May 13, 2026
Forecast Valid:
9am MDT May 13, 2026-6pm MDT May 19, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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