7-Day Forecast 45.25°N 111.32°W (Text-Only)
NWS Forecast for: Big Sky MT
Issued by: National Weather Service Great Falls, MT
Last Update: 10:22 am MDT Apr 11, 2026
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  • Today

    Today: A 40 percent chance of showers and thunderstorms, mainly between noon and 5pm.  Partly sunny, with a high near 62. South wind 7 to 11 mph, with gusts as high as 29 mph.

    High: 62 °F

    Chance
    Showers


  • Tonight

    Tonight: Showers and thunderstorms likely before 10pm, then a chance of showers between 10pm and 11pm.  Mostly cloudy, with a low around 34. South wind 5 to 8 mph becoming calm  in the evening. Winds could gust as high as 24 mph.  Chance of precipitation is 60%.

    Low: 34 °F

    Showers
    Likely then
    Partly Cloudy

  • Sunday

    Sunday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 5pm.  Partly sunny, with a high near 57. Calm wind becoming south southwest 5 to 8 mph in the afternoon. Winds could gust as high as 22 mph.  Chance of precipitation is 70%.

    High: 57 °F

    Slight Chance
    Showers then
    Showers
    Likely

  • Sunday
    Night

    Sunday Night: A chance of rain and snow before 3am, then a slight chance of snow.  Mostly cloudy, with a low around 32. South wind 5 to 7 mph becoming calm  in the evening. Winds could gust as high as 22 mph.  Chance of precipitation is 50%. Little or no snow accumulation expected.

    Low: 32 °F

    Chance Rain
    then Chance
    Rain/Snow

  • Monday

    Monday: Snow likely before 3pm, then rain and snow showers likely. Some thunder is also possible.  Mostly cloudy, with a high near 49. Calm wind becoming southwest 5 to 7 mph in the afternoon. Winds could gust as high as 21 mph.  Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    High: 49 °F

    Chance Snow
    then
    Rain/Snow
    Likely

  • Monday
    Night

    Monday Night: Rain and snow likely, becoming all snow after 9pm.  Mostly cloudy, with a low around 30. West southwest wind around 5 mph becoming calm  in the evening.  Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 30 °F

    Rain/Snow
    Likely then
    Chance Snow

  • Tuesday

    Tuesday: A chance of snow before 3pm, then a chance of rain and snow.  Partly sunny, with a high near 52. Calm wind becoming southwest 5 to 8 mph in the afternoon. Winds could gust as high as 22 mph.  Chance of precipitation is 40%. Little or no snow accumulation expected.

    High: 52 °F

    Chance Snow
    then Chance
    Rain/Snow

  • Tuesday
    Night

    Tuesday Night: Partly cloudy, with a low around 30. South wind 5 to 7 mph, with gusts as high as 22 mph.

    Low: 30 °F

    Partly Cloudy



  • Wednesday

    Wednesday: A chance of snow before 9am, then rain and snow likely.  Mostly cloudy, with a high near 49.

    High: 49 °F

    Rain/Snow
    Likely


  • Today: A 40 percent chance of showers and thunderstorms, mainly between noon and 5pm. Partly sunny, with a high near 62. South wind 7 to 11 mph, with gusts as high as 29 mph.

    Tonight: Showers and thunderstorms likely before 10pm, then a chance of showers between 10pm and 11pm. Mostly cloudy, with a low around 34. South wind 5 to 8 mph becoming calm in the evening. Winds could gust as high as 24 mph. Chance of precipitation is 60%.

    Sunday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 5pm. Partly sunny, with a high near 57. Calm wind becoming south southwest 5 to 8 mph in the afternoon. Winds could gust as high as 22 mph. Chance of precipitation is 70%.

    Sunday Night: A chance of rain and snow before 3am, then a slight chance of snow. Mostly cloudy, with a low around 32. South wind 5 to 7 mph becoming calm in the evening. Winds could gust as high as 22 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.

    Monday: Snow likely before 3pm, then rain and snow showers likely. Some thunder is also possible. Mostly cloudy, with a high near 49. Calm wind becoming southwest 5 to 7 mph in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    Monday Night: Rain and snow likely, becoming all snow after 9pm. Mostly cloudy, with a low around 30. West southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Tuesday: A chance of snow before 3pm, then a chance of rain and snow. Partly sunny, with a high near 52. Calm wind becoming southwest 5 to 8 mph in the afternoon. Winds could gust as high as 22 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.

    Tuesday Night: Partly cloudy, with a low around 30. South wind 5 to 7 mph, with gusts as high as 22 mph.

    Wednesday: A chance of snow before 9am, then rain and snow likely. Mostly cloudy, with a high near 49.

    Wednesday Night: Rain and snow before midnight, then snow between midnight and 3am, then rain and snow after 3am. Mostly cloudy, with a low around 27.

    Thursday: Snow. Mostly cloudy, with a high near 40.

    Thursday Night: A chance of snow. Mostly cloudy, with a low around 17.

    Friday: A chance of snow. Partly sunny, with a high near 41.



    Big Sky MT
     45.25°N 111.32°W (Elev. 6398 ft)

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