Big Sky, Montana | 10-Day Weather Forecasts & Weekend Weather | WeatherBug
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10 Day Forecast
  • Forecast night icon
    Night
    40% Chance Frozen Mix
    31°
    Sunday 5/19
    Forecast night icon
    31°
    40% Chance Frozen Mix
    Hourly
    Night Details
    Mostly cloudy with a chance of rain-snow mix. Chance of precipitation 35%. Low temperature around 31F. Dew point will be around 27F with an average humidity of 65%. Winds will be 3 mph from the NE.
  • Forecast day icon
    Monday
    70% Chance Snow Showers
    46°
    Forecast night icon
    Night
    50% Chance Snow Showers
    31°
    Monday 5/20
    Day
    46°
    70% Chance Snow Showers
    Forecast day icon
    Night
    31°
    50% Chance Snow Showers
    Forecast night icon
    Hourly
    Day Details
    Snow showers likely in the morning then chance of snow showers rain showers 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. Chance of snow showers rain showers and slight chance of thunderstorms in the evening then chance of snow showers after midnight. Lows 25 to 30. North winds 5 to 15 mph. Chance of precipitation 50 percent.
  • Forecast day icon
    Tuesday
    50% Chance Snow Showers
    54°
    Forecast night icon
    Night
    Partly Cloudy
    34°
    Tuesday 5/21
    Day
    54°
    50% Chance Snow Showers
    Forecast day icon
    Night
    34°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy. Chance of snow showers in the morning then chance of rain showers snow showers and slight chance of thunderstorms in the afternoon. Highs 40 to 50. Northwest winds 5 to 15 mph. Chance of precipitation 50 percent.
    Night Details
    Partly cloudy with a 20 percent chance of thunderstorms and snow showers in the evening then mostly cloudy after midnight. Lows 30 to 35. West winds 5 to 10 mph shifting to the south after midnight.
  • Forecast day icon
    Wednesday
    70% Chance Frozen Mix
    52°
    Forecast night icon
    Night
    Snow
    33°
    Wednesday 5/22
    Day
    52°
    70% Chance Frozen Mix
    Forecast day icon
    Night
    33°
    Snow
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy. Chance of snow and rain in the morning then rain showers snow showers likely and slight chance of thunderstorms in the afternoon. Light snow accumulations. Snow level 7500 feet. Highs 40 to 50. South winds 5 to 15 mph. Gusts up to 30 mph in the afternoon. Chance of precipitation 70 percent.
    Night Details
    Rain showers snow showers and slight chance of thunderstorms. Heavy snow accumulations. Lows 25 to 35. Chance of precipitation near 100 percent.
  • Forecast day icon
    Thursday
    Heavy Snow
    44°
    Forecast night icon
    Night
    50% Chance Frozen Mix
    31°
    Thursday 5/23
    Day
    44°
    Heavy Snow
    Forecast day icon
    Night
    31°
    50% Chance Frozen Mix
    Forecast night icon
    Hourly
    Day Details
    Snow showers and slight chance of thunderstorms. Heavy snow accumulations. Highs 35 to 40. 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
    40% Chance Snow Showers
    56°
    Forecast night icon
    Night
    Mostly Cloudy
    36°
    Friday 5/24
    Day
    56°
    40% Chance Snow Showers
    Forecast day icon
    Night
    36°
    Mostly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Not as cool. Mostly cloudy with chance of rain showers snow showers and slight chance of thunderstorms. Highs 40 to 50. Chance of precipitation 40 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
    53°
    Forecast night icon
    Night
    50% Chance Frozen Mix
    32°
    Saturday 5/25
    Day
    53°
    50% Chance of Snow
    Forecast day icon
    Night
    32°
    50% Chance Frozen Mix
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy with chance of rain showers snow and slight chance of thunderstorms. Highs 45 to 55. Chance of precipitation 50 percent.
    Night Details
    Mostly cloudy with a 50 percent chance of rain and snow. Lows 25 to 35.
  • Forecast day icon
    Sunday
    50% Chance Snow Showers
    57°
    Forecast night icon
    Night
    Partly Cloudy
    34°
    Sunday 5/26
    Day
    57°
    50% Chance Snow Showers
    Forecast day icon
    Night
    34°
    Partly Cloudy
    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
    Partly cloudy. Low temperature around 34F. Dew point will be around 29F with an average humidity of 62%. Winds will be 4 mph from the W.
  • 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 30F with an average humidity of 47%. Winds will be 4 mph from the W.
    Night Details
    Partly cloudy. Low temperature around 38F. Dew point will be around 33F with an average humidity of 60%. 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 29F with an average humidity of 38%. Winds will be 3 mph from the NW.
    Night Details
    Mostly clear. Low temperature around 42F. Dew point will be around 35F with an average humidity of 56%. Winds will be 2 mph from the S.
  • Forecast day icon
    Wednesday
    Mostly Sunny
    72°
    Forecast night icon
    Night
    Mostly Clear
    45°
    Wednesday 5/29
    Day
    72°
    Mostly Sunny
    Forecast day icon
    Night
    45°
    Mostly Clear
    Forecast night icon
    Day Details
    Mostly sunny. High temperature around 72F. Dew point will be around 30F with an average humidity of 35%. Winds will be 2 mph from the NW.
    Night Details
    Mostly clear. Low temperature around 45F. Dew point will be around 37F with an average humidity of 56%. Winds will be 3 mph from the S.