Big Sky, Montana | 10-Day Weather Forecasts & Weekend Weather | WeatherBug
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10 Day Forecast
  • Forecast night icon
    Night
    50% Chance of Snow
    31°
    Sunday 5/19
    Forecast night icon
    31°
    50% Chance of Snow
    Hourly
    Night Details
    Colder. Mostly cloudy. Slight chance of snow early in the evening then chance of snow after midnight. Lows 25 to 30. North winds up to 10 mph. Chance of snow 50 percent.
  • Forecast day icon
    Monday
    70% Chance Snow Showers
    46°
    Forecast night icon
    Night
    70% Chance Snow Showers
    31°
    Monday 5/20
    Day
    46°
    70% Chance Snow Showers
    Forecast day icon
    Night
    31°
    70% Chance Snow Showers
    Forecast night icon
    Hourly
    Day Details
    Snow likely in the morning then snow showers rain showers likely and slight chance of thunderstorms in the afternoon. Snow accumulation of 3 to 6 inches. Highs 35 to 45. North winds 5 to 15 mph. Chance of precipitation 70 percent.
    Night Details
    Mostly cloudy. Snow showers likely and slight chance of thunderstorms in the evening then chance of snow after midnight. Snow accumulation up to 2 inches. Lows 25 to 30. North winds 5 to 15 mph. Chance of precipitation 70 percent.
  • Forecast day icon
    Tuesday
    70% Chance Snow Showers
    54°
    Forecast night icon
    Night
    Partly Cloudy
    33°
    Tuesday 5/21
    Day
    54°
    70% Chance Snow Showers
    Forecast day icon
    Night
    33°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy. Chance of snow in the morning then snow showers likely with possible showers and thunderstorms in the afternoon. Highs 40 to 50. Northwest winds 5 to 15 mph. Chance of precipitation 70 percent.
    Night Details
    Partly cloudy. A 20 percent chance of thunderstorms and snow showers in the evening. Lows 30 to 35. West winds 5 to 10 mph shifting to the south after midnight.
  • Forecast day icon
    Wednesday
    Snow Showers
    53°
    Forecast night icon
    Night
    Snow
    34°
    Wednesday 5/22
    Day
    53°
    Snow Showers
    Forecast day icon
    Night
    34°
    Snow
    Forecast night icon
    Hourly
    Day Details
    Snow showers with possible showers and thunderstorms likely. Light snow accumulations. Highs 40 to 50. Chance of precipitation 90 percent.
    Night Details
    Rain showers snow showers and slight chance of thunderstorms. Heavy snow accumulations. Lows 25 to 35. Chance of precipitation 90 percent.
  • Forecast day icon
    Thursday
    Heavy Snow
    45°
    Forecast night icon
    Night
    50% Chance Frozen Mix
    30°
    Thursday 5/23
    Day
    45°
    Heavy Snow
    Forecast day icon
    Night
    30°
    50% Chance Frozen Mix
    Forecast night icon
    Hourly
    Day Details
    Snow showers and slight chance of thunderstorms. Heavy snow accumulations. Highs 35 to 45. Chance of precipitation 90 percent.
    Night Details
    Mostly cloudy with a 50 percent chance of snow and rain. Lows 25 to 30.
  • Forecast day icon
    Friday
    50% Chance Snow Showers
    54°
    Forecast night icon
    Night
    Mostly Cloudy
    34°
    Friday 5/24
    Day
    54°
    50% Chance Snow Showers
    Forecast day icon
    Night
    34°
    Mostly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy with chance of rain showers snow showers and slight chance of thunderstorms. Highs 40 to 50. Chance of precipitation 50 percent.
    Night Details
    Mostly cloudy with a 20 percent chance of rain and snow. Lows 30 to 35.
  • Forecast day icon
    Saturday
    50% Chance of Snow
    60°
    Forecast night icon
    Night
    50% Chance Frozen Mix
    35°
    Saturday 5/25
    Day
    60°
    50% Chance of Snow
    Forecast day icon
    Night
    35°
    50% Chance Frozen Mix
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy with chance of rain showers slight chance of thunderstorms and snow. Highs 45 to 55. Chance of precipitation 50 percent.
    Night Details
    Mostly cloudy with a 50 percent chance of rain and snow. Lows 30 to 35.
  • Forecast day icon
    Sunday
    70% Chance Light Snow
    55°
    Forecast night icon
    Night
    30% Chance of Rain
    35°
    Sunday 5/26
    Day
    55°
    70% Chance Light Snow
    Forecast day icon
    Night
    35°
    30% Chance of Rain
    Forecast night icon
    Day Details
    Rain showers likely with possible snow and thunderstorms. Light snow accumulations. Highs 45 to 55. Chance of precipitation 70 percent.
    Night Details
    Partly cloudy with a slight chance of rain. Chance of precipitation 30%. Low temperature around 35F. Dew point will be around 32F with an average humidity of 70%. Winds will be 5 mph from the SW.
  • Forecast day icon
    Monday
    Mostly Sunny
    61°
    Forecast night icon
    Night
    Partly Cloudy
    38°
    Monday 5/27
    Day
    61°
    Mostly Sunny
    Forecast day icon
    Night
    38°
    Partly Cloudy
    Forecast night icon
    Day Details
    Mostly sunny. High temperature around 61F. Dew point will be around 27F with an average humidity of 43%. Winds will be 6 mph from the W.
    Night Details
    Partly cloudy. Low temperature around 38F. Dew point will be around 33F with an average humidity of 61%. Winds will be 4 mph from the S.
  • Forecast day icon
    Tuesday
    Sunny
    67°
    Forecast night icon
    Night
    Mostly Clear
    42°
    Tuesday 5/28
    Day
    67°
    Sunny
    Forecast day icon
    Night
    42°
    Mostly Clear
    Forecast night icon
    Day Details
    Sunny. High temperature around 67F. Dew point will be around 28F with an average humidity of 38%. Winds will be 3 mph from the S.
    Night Details
    Mostly clear. Low temperature around 42F. Dew point will be around 35F with an average humidity of 56%. Winds will be 4 mph from the S.