Fort Harrison, Montana | 10-Day Weather Forecasts & Weekend Weather | WeatherBug
Main Menu
10 Day Forecast
  • Forecast day icon
    Saturday
    Partly Cloudy
    79°
    Forecast night icon
    Night
    Mostly Clear
    48°
    Saturday 5/11
    Day
    79°
    Partly Cloudy
    Forecast day icon
    Night
    48°
    Mostly Clear
    Forecast night icon
    Hourly
    Day Details
    Partly cloudy early in the morning then becoming sunny. Highs 75 to 80. East winds 5 to 10 mph shifting to the northwest 5 to 15 mph in the afternoon.
    Night Details
    Mostly clear. Lows 45 to 50. West winds 5 to 15 mph.
  • Forecast day icon
    Sunday
    Sunny
    78°
    Forecast night icon
    Night
    Mostly Clear
    49°
    Sunday 5/12
    Day
    78°
    Sunny
    Forecast day icon
    Night
    49°
    Mostly Clear
    Forecast night icon
    Hourly
    Day Details
    Sunny. Highs around 80. West winds up to 10 mph.
    Night Details
    Mostly clear. Lows around 50. West winds 5 to 15 mph shifting to the southwest 5 to 10 mph after midnight.
  • Forecast day icon
    Monday
    30% Chance of Storms
    75°
    Forecast night icon
    Night
    Mostly Cloudy
    49°
    Monday 5/13
    Day
    75°
    30% Chance of Storms
    Forecast day icon
    Night
    49°
    Mostly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Sunny in the morning then partly cloudy with chance of rain showers and slight chance of thunderstorms in the afternoon. Highs 75 to 80. Southwest winds 5 to 10 mph shifting to the west 10 to 20 mph in the afternoon. Chance of precipitation 30 percent.
    Night Details
    Mostly cloudy with a 20 percent chance of rain. Lows 45 to 50.
  • Forecast day icon
    Tuesday
    70% Chance of Storms
    61°
    Forecast night icon
    Night
    Mostly Cloudy
    43°
    Tuesday 5/14
    Day
    61°
    70% Chance of Storms
    Forecast day icon
    Night
    43°
    Mostly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Cooler. Rain showers likely and chance of thunderstorms. Highs 60 to 65. Chance of precipitation 70 percent.
    Night Details
    Mostly cloudy with a 20 percent chance of thunderstorms. Lows 40 to 45.
  • Forecast day icon
    Wednesday
    Partly Cloudy
    75°
    Forecast night icon
    Night
    Partly Cloudy
    49°
    Wednesday 5/15
    Day
    75°
    Partly Cloudy
    Forecast day icon
    Night
    49°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Partly cloudy with a 20 percent chance of rain. Highs around 70. Lows around 45.
    Night Details
    Partly cloudy with a 20 percent chance of rain. Highs around 70. Lows around 45.
  • Forecast day icon
    Thursday
    30% Chance of Storms
    70°
    Forecast night icon
    Night
    Partly Cloudy
    45°
    Thursday 5/16
    Day
    70°
    30% Chance of Storms
    Forecast day icon
    Night
    45°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Partly cloudy with chance of rain showers and slight chance of thunderstorms. Highs around 75. Chance of precipitation 30 percent.
    Night Details
    Partly cloudy with a 20 percent chance of thunderstorms. Lows around 45. Highs 70 to 75.
  • Forecast day icon
    Friday
    Partly Cloudy
    66°
    Forecast night icon
    Night
    Partly Cloudy
    47°
    Friday 5/17
    Day
    66°
    Partly Cloudy
    Forecast day icon
    Night
    47°
    Partly Cloudy
    Forecast night icon
    Day Details
    Partly cloudy with a 20 percent chance of thunderstorms. Lows around 45. Highs 70 to 75.
    Night Details
    Partly cloudy. Low temperature around 47F. Dew point will be around 36F with an average humidity of 54%. Winds will be 8 mph from the W.
  • Forecast day icon
    Saturday
    Cloudy
    64°
    Forecast night icon
    Night
    Mostly Clear
    42°
    Saturday 5/18
    Day
    64°
    Cloudy
    Forecast day icon
    Night
    42°
    Mostly Clear
    Forecast night icon
    Day Details
    Cloudy. High temperature around 64F. Dew point will be around 42F with an average humidity of 55%. Winds will be 9 mph from the NW.
    Night Details
    Mostly clear. Low temperature around 42F. Dew point will be around 39F with an average humidity of 66%. Winds will be 6 mph from the NW.
  • Forecast day icon
    Sunday
    Mostly Cloudy
    63°
    Forecast night icon
    Night
    30% Chance of Rain
    43°
    Sunday 5/19
    Day
    63°
    Mostly Cloudy
    Forecast day icon
    Night
    43°
    30% Chance of Rain
    Forecast night icon
    Day Details
    Mostly cloudy. High temperature around 63F. Dew point will be around 42F with an average humidity of 59%. Winds will be 7 mph from the NW.
    Night Details
    Mostly clear with a slight chance of rain. Chance of precipitation 30%. Low temperature around 43F. Dew point will be around 39F with an average humidity of 65%. Winds will be 6 mph from the W.
  • Forecast day icon
    Monday
    40% Chance of Rain
    65°
    Forecast night icon
    Night
    40% Chance of Rain
    43°
    Monday 5/20
    Day
    65°
    40% Chance of Rain
    Forecast day icon
    Night
    43°
    40% Chance of Rain
    Forecast night icon
    Day Details
    Mostly sunny with a chance of rain. Chance of precipitation 35%. High temperature around 65F. Dew point will be around 41F with an average humidity of 55%. Winds will be 8 mph from the W.
    Night Details
    Mostly cloudy with a chance of rain. Chance of precipitation 35%. Low temperature around 43F. Dew point will be around 38F with an average humidity of 62%. Winds will be 6 mph from the W.