Big Sky, Montana | 10-Day Weather Forecasts & Weekend Weather | WeatherBug
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10 Day Forecast
  • Forecast night icon
    Night
    Windy
    29°
    Friday 5/17
    Forecast night icon
    29°
    Windy
    Hourly
    Night Details
    Windy colder. Mostly clear. Lows 20 to 30. West winds 20 to 30 mph with gusts to around 45 mph decreasing to 5 to 10 mph after midnight.
  • Forecast day icon
    Saturday
    Partly Cloudy
    60°
    Forecast night icon
    Night
    Mostly Cloudy
    39°
    Saturday 5/18
    Day
    60°
    Partly Cloudy
    Forecast day icon
    Night
    39°
    Mostly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Breezy. Sunny in the morning then becoming partly cloudy. Highs 50 to 60. Southwest winds 5 to 15 mph increasing to 15 to 25 mph in the afternoon.
    Night Details
    Mostly cloudy. A 20 percent chance of snow showers after midnight. Lows 30 to 35. Southwest winds 10 to 15 mph with gusts to around 35 mph decreasing to up to 10 mph after midnight.
  • Forecast day icon
    Sunday
    70% Chance Frozen Mix
    50°
    Forecast night icon
    Night
    50% Chance Snow Showers
    31°
    Sunday 5/19
    Day
    50°
    70% Chance Frozen Mix
    Forecast day icon
    Night
    31°
    50% Chance Snow Showers
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy. Chance of snow showers and rain showers in the morning then snow showers likely with possible showers and thunderstorms in the afternoon. Light snow accumulations. Highs 40 to 50. West winds 5 to 15 mph. Chance of precipitation 70 percent.
    Night Details
    Mostly cloudy. Chance of snow showers in the evening then slight chance of snow showers after midnight. Lows 25 to 30. Northwest winds 5 to 15 mph. Chance of snow 50 percent.
  • Forecast day icon
    Monday
    70% Chance Snow Showers
    50°
    Forecast night icon
    Night
    50% Chance Frozen Mix
    31°
    Monday 5/20
    Day
    50°
    70% Chance Snow Showers
    Forecast day icon
    Night
    31°
    50% Chance Frozen Mix
    Forecast night icon
    Hourly
    Day Details
    Chance of snow showers with possible showers and thunderstorms likely. Light snow accumulations. Highs 40 to 50. Chance of precipitation 70 percent.
    Night Details
    Mostly cloudy with a 50 percent chance of snow showers and rain showers. Lows 25 to 30.
  • Forecast day icon
    Tuesday
    50% Chance Snow Showers
    54°
    Forecast night icon
    Night
    Mostly Cloudy
    33°
    Tuesday 5/21
    Day
    54°
    50% Chance Snow Showers
    Forecast day icon
    Night
    33°
    Mostly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy with chance of rain showers slight chance of thunderstorms and snow showers. Highs 45 to 55. Chance of precipitation 50 percent.
    Night Details
    Mostly cloudy with a 20 percent chance of rain showers and snow showers. Lows 30 to 35.
  • Forecast day icon
    Wednesday
    70% Chance Snow Showers
    55°
    Forecast night icon
    Night
    70% Chance Snow Showers
    37°
    Wednesday 5/22
    Day
    55°
    70% Chance Snow Showers
    Forecast day icon
    Night
    37°
    70% Chance Snow Showers
    Forecast night icon
    Hourly
    Day Details
    Rain showers likely with possible snow showers and thunderstorms. Light snow accumulations. Highs 45 to 55. Lows 30 to 35. Chance of precipitation 70 percent.
    Night Details
    Rain showers likely with possible snow showers and thunderstorms. Light snow accumulations. Highs 45 to 55. Lows 30 to 35. Chance of precipitation 70 percent.
  • Forecast day icon
    Thursday
    70% Chance Snow Showers
    53°
    Forecast night icon
    Night
    50% Chance Frozen Mix
    35°
    Thursday 5/23
    Day
    53°
    70% Chance Snow Showers
    Forecast day icon
    Night
    35°
    50% Chance Frozen Mix
    Forecast night icon
    Hourly
    Day Details
    Snow showers rain showers likely and slight chance of thunderstorms. Moderate snow accumulations. Highs 40 to 50. Chance of precipitation 70 percent.
    Night Details
    Mostly cloudy with a 50 percent chance of snow showers and rain showers. Lows 25 to 35.
  • Forecast day icon
    Friday
    50% Chance Snow Showers
    52°
    Forecast night icon
    Night
    40% Chance of Rain
    35°
    Friday 5/24
    Day
    52°
    50% Chance Snow Showers
    Forecast day icon
    Night
    35°
    40% Chance of Rain
    Forecast night icon
    Day Details
    Mostly cloudy with chance of rain showers snow showers and slight chance of thunderstorms. Highs 45 to 55. Chance of precipitation 50 percent.
    Night Details
    Cloudy with a chance of rain. Chance of precipitation 40%. Low temperature around 35F. Dew point will be around 33F with an average humidity of 73%. Winds will be 2 mph from the S.
  • Forecast day icon
    Saturday
    50% Chance of Rain
    56°
    Forecast night icon
    Night
    50% Chance of Rain
    36°
    Saturday 5/25
    Day
    56°
    50% Chance of Rain
    Forecast day icon
    Night
    36°
    50% Chance of Rain
    Forecast night icon
    Day Details
    Cloudy with a chance of rain. Chance of precipitation 45%. High temperature around 56F. Dew point will be around 33F with an average humidity of 58%. Winds will be 4 mph from the W.
    Night Details
    Mostly cloudy with a chance of rain. Chance of precipitation 50%. Low temperature around 36F. Dew point will be around 34F with an average humidity of 70%. Winds will be 2 mph from the S.
  • Forecast day icon
    Sunday
    50% Chance of Rain
    60°
    Forecast night icon
    Night
    40% Chance of Rain
    38°
    Sunday 5/26
    Day
    60°
    50% Chance of Rain
    Forecast day icon
    Night
    38°
    40% Chance of Rain
    Forecast night icon
    Day Details
    Mostly cloudy with a chance of rain. Chance of precipitation 45%. High temperature around 60F. Dew point will be around 34F with an average humidity of 54%. Winds will be 3 mph from the W.
    Night Details
    Cloudy with a chance of rain. Chance of precipitation 35%. Low temperature around 38F. Dew point will be around 35F with an average humidity of 68%. Winds will be 2 mph from the S.