Big Sky, Montana | 10-Day Weather Forecasts & Weekend Weather | WeatherBug
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10 Day Forecast
  • Forecast day icon
    Sunday
    Frozen Mix
    57°
    Forecast night icon
    Night
    Snow Showers
    32°
    Sunday 5/5
    Day
    57°
    Frozen Mix
    Forecast day icon
    Night
    32°
    Snow Showers
    Forecast night icon
    Hourly
    Day Details
    Breezy. Rain and snow early in the morning then rain showers snow showers likely and slight chance of thunderstorms in the afternoon. Snow accumulation up to 2 inches. Snow level above 8000 feet. Highs 40 to 50. South winds 15 to 25 mph. Chance of precipitation near 100 percent.
    Night Details
    Colder. Chance of snow showers rain showers and slight chance of thunderstorms in the evening then snow after midnight. Snow accumulation of 2 to 5 inches. Lows 25 to 30. Southwest winds 10 to 20 mph. Chance of precipitation near 100 percent.
  • Forecast day icon
    Monday
    Snow Showers
    46°
    Forecast night icon
    Night
    70% Chance Snow Showers
    27°
    Monday 5/6
    Day
    46°
    Snow Showers
    Forecast day icon
    Night
    27°
    70% Chance Snow Showers
    Forecast night icon
    Hourly
    Day Details
    Windy. Snow in the morning then snow showers and slight chance of thunderstorms in the afternoon. Snow accumulation of 3 to 6 inches. Highs 35 to 45. West winds 10 to 20 mph increasing to 20 to 30 mph in the afternoon. Chance of precipitation near 100 percent.
    Night Details
    Breezy. Mostly cloudy. Snow showers likely and slight chance of thunderstorms in the evening then slight chance of snow after midnight. Light snow accumulations. Lows 20 to 30. West winds 15 to 25 mph with gusts to around 40 mph decreasing to 10 to 15 mph after midnight. Chance of precipitation 70 percent.
  • Forecast day icon
    Tuesday
    70% Chance Light Snow
    42°
    Forecast night icon
    Night
    70% Chance of Snow
    28°
    Tuesday 5/7
    Day
    42°
    70% Chance Light Snow
    Forecast day icon
    Night
    28°
    70% Chance of Snow
    Forecast night icon
    Hourly
    Day Details
    Windy. Mostly cloudy. Chance of snow in the morning then snow likely in the afternoon. Patchy blowing snow in the afternoon. Light snow accumulations. Highs 30 to 40. West winds 10 to 20 mph increasing to 20 to 30 mph in the afternoon. Chance of snow 70 percent.
    Night Details
    Breezy. Snow likely. Patchy blowing snow. Moderate snow accumulations. Lows 20 to 30. Chance of snow 70 percent.
  • Forecast day icon
    Wednesday
    70% Chance of Snow
    41°
    Forecast night icon
    Night
    50% Chance of Snow
    30°
    Wednesday 5/8
    Day
    41°
    70% Chance of Snow
    Forecast day icon
    Night
    30°
    50% Chance of Snow
    Forecast night icon
    Hourly
    Day Details
    Snow likely. Heavy snow accumulations. Highs 30 to 40. Chance of snow 70 percent.
    Night Details
    Mostly cloudy with a 50 percent chance of snow. Lows 25 to 30.
  • Forecast day icon
    Thursday
    50% Chance Frozen Mix
    48°
    Forecast night icon
    Night
    Partly Cloudy
    31°
    Thursday 5/9
    Day
    48°
    50% Chance Frozen Mix
    Forecast day icon
    Night
    31°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy with a 50 percent chance of snow and rain. Highs 35 to 45.
    Night Details
    Partly cloudy. Lows 25 to 30. Highs 45 to 55.
  • Forecast day icon
    Friday
    Partly Cloudy
    57°
    Forecast night icon
    Night
    Mostly Clear
    33°
    Friday 5/10
    Day
    57°
    Partly Cloudy
    Forecast day icon
    Night
    33°
    Mostly Clear
    Forecast night icon
    Hourly
    Day Details
    Partly cloudy. Lows 25 to 30. Highs 45 to 55.
    Night Details
    Mostly clear. Lows 25 to 35. Highs 50 to 60.
  • Forecast day icon
    Saturday
    Mostly Sunny
    64°
    Forecast night icon
    Night
    Partly Cloudy
    40°
    Saturday 5/11
    Day
    64°
    Mostly Sunny
    Forecast day icon
    Night
    40°
    Partly Cloudy
    Forecast night icon
    Day Details
    Mostly clear. Lows 25 to 35. Highs 50 to 60.
    Night Details
    Partly cloudy. Low temperature around 40F. Dew point will be around 36F with an average humidity of 66%. Winds will be 5 mph from the S.
  • Forecast day icon
    Sunday
    Mostly Sunny
    66°
    Forecast night icon
    Night
    Mostly Cloudy
    42°
    Sunday 5/12
    Day
    66°
    Mostly Sunny
    Forecast day icon
    Night
    42°
    Mostly Cloudy
    Forecast night icon
    Day Details
    Mostly sunny. High temperature around 66F. Dew point will be around 32F with an average humidity of 41%. Winds will be 4 mph from the NW.
    Night Details
    Mostly cloudy. Low temperature around 42F. Dew point will be around 38F with an average humidity of 64%. Winds will be 3 mph from the S.
  • Forecast day icon
    Monday
    30% Chance of Rain
    66°
    Forecast night icon
    Night
    30% Chance of Rain
    42°
    Monday 5/13
    Day
    66°
    30% Chance of Rain
    Forecast day icon
    Night
    42°
    30% Chance of Rain
    Forecast night icon
    Day Details
    Mostly sunny with a slight chance of rain. Chance of precipitation 25%. High temperature around 66F. Dew point will be around 34F with an average humidity of 45%. Winds will be 4 mph from the NW.
    Night Details
    Mostly cloudy with a slight chance of rain. Chance of precipitation 30%. Low temperature around 42F. Dew point will be around 40F with an average humidity of 71%. Winds will be 2 mph from the NW.
  • Forecast day icon
    Tuesday
    40% Chance of Rain
    60°
    Forecast night icon
    Night
    50% Chance of Rain
    39°
    Tuesday 5/14
    Day
    60°
    40% Chance of Rain
    Forecast day icon
    Night
    39°
    50% Chance of Rain
    Forecast night icon
    Day Details
    Partly cloudy with a chance of rain. Chance of precipitation 35%. High temperature around 60F. Dew point will be around 37F with an average humidity of 55%. Winds will be 4 mph from the NW.
    Night Details
    Mostly cloudy with a chance of rain. Chance of precipitation 45%. Low temperature around 39F. Dew point will be around 39F with an average humidity of 77%. Winds will be 3 mph from the NW.