Fort Harrison, Montana | 10-Day Weather Forecasts & Weekend Weather | WeatherBug
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10 Day Forecast
  • Forecast day icon
    Friday
    Partly Cloudy
    56°
    Forecast night icon
    Night
    Mostly Clear
    32°
    Friday 5/3
    Day
    56°
    Partly Cloudy
    Forecast day icon
    Night
    32°
    Mostly Clear
    Forecast night icon
    Hourly
    Day Details
    Partly cloudy. High temperature around 56F. Dew point will be around 30F with an average humidity of 52%. Winds will be 4 mph from the N.
    Night Details
    Mostly clear. Lows around 30. Northeast winds 5 to 10 mph shifting to the southeast after midnight.
  • Forecast day icon
    Saturday
    Partly Cloudy
    67°
    Forecast night icon
    Night
    Mostly Cloudy
    46°
    Saturday 5/4
    Day
    67°
    Partly Cloudy
    Forecast day icon
    Night
    46°
    Mostly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Warmer. Partly cloudy in the morning then becoming mostly cloudy. Highs 65 to 70. Southeast winds up to 10 mph increasing to 10 to 15 mph in the afternoon.
    Night Details
    Mostly cloudy. Lows 40 to 45. East winds 5 to 15 mph.
  • Forecast day icon
    Sunday
    70% Chance of Storms
    68°
    Forecast night icon
    Night
    80% Chance of Storms
    44°
    Sunday 5/5
    Day
    68°
    70% Chance of Storms
    Forecast day icon
    Night
    44°
    80% Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy. Slight chance of rain in the morning then rain showers likely and slight chance of thunderstorms in the afternoon. Highs 65 to 70. Northeast winds 5 to 10 mph shifting to the southeast in the afternoon. Chance of precipitation 70 percent.
    Night Details
    Rain showers and slight chance of thunderstorms in the evening then rain showers likely and slight chance of thunderstorms after midnight. Lows around 40. West winds 5 to 15 mph. Chance of precipitation 80 percent.
  • Forecast day icon
    Monday
    50% Chance of Rain
    54°
    Forecast night icon
    Night
    Windy
    40°
    Monday 5/6
    Day
    54°
    50% Chance of Rain
    Forecast day icon
    Night
    40°
    Windy
    Forecast night icon
    Hourly
    Day Details
    Windy cooler. Mostly cloudy with a 50 percent chance of rain. Highs 50 to 55.
    Night Details
    Windy. Mostly cloudy with a 20 percent chance of rain. Lows 35 to 40.
  • Forecast day icon
    Tuesday
    50% Chance Frozen Mix
    51°
    Forecast night icon
    Night
    60% Chance Frozen Mix
    38°
    Tuesday 5/7
    Day
    51°
    50% Chance Frozen Mix
    Forecast day icon
    Night
    38°
    60% Chance Frozen Mix
    Forecast night icon
    Hourly
    Day Details
    Windy. Mostly cloudy with a 50 percent chance of rain and snow. Highs around 50.
    Night Details
    Windy. Rain and snow likely. Lows around 35. Chance of precipitation 60 percent.
  • Forecast day icon
    Wednesday
    70% Chance Frozen Mix
    49°
    Forecast night icon
    Night
    50% Chance of Rain
    38°
    Wednesday 5/8
    Day
    49°
    70% Chance Frozen Mix
    Forecast day icon
    Night
    38°
    50% Chance of Rain
    Forecast night icon
    Hourly
    Day Details
    Rain and snow likely. Highs around 50. Chance of precipitation 70 percent.
    Night Details
    Mostly cloudy with a 50 percent chance of rain. Lows around 35. Highs around 55.
  • Forecast day icon
    Thursday
    50% Chance of Rain
    47°
    Forecast night icon
    Night
    Partly Cloudy
    40°
    Thursday 5/9
    Day
    47°
    50% Chance of Rain
    Forecast day icon
    Night
    40°
    Partly Cloudy
    Forecast night icon
    Day Details
    Mostly cloudy with a 50 percent chance of rain. Lows around 35. Highs around 55.
    Night Details
    Partly cloudy with a 20 percent chance of rain. Lows around 35. Highs around 65.
  • Forecast day icon
    Friday
    Partly Cloudy
    63°
    Forecast night icon
    Night
    Clear
    42°
    Friday 5/10
    Day
    63°
    Partly Cloudy
    Forecast day icon
    Night
    42°
    Clear
    Forecast night icon
    Day Details
    Partly cloudy with a 20 percent chance of rain. Lows around 35. Highs around 65.
    Night Details
    Clear. Low temperature around 42F. Dew point will be around 39F with an average humidity of 68%. Winds will be 4 mph from the W.
  • Forecast day icon
    Saturday
    Sunny
    71°
    Forecast night icon
    Night
    Clear
    46°
    Saturday 5/11
    Day
    71°
    Sunny
    Forecast day icon
    Night
    46°
    Clear
    Forecast night icon
    Day Details
    Sunny. High temperature around 71F. Dew point will be around 40F with an average humidity of 49%. Winds will be 2 mph from the W.
    Night Details
    Clear. Low temperature around 46F. Dew point will be around 39F with an average humidity of 55%. Winds will be 6 mph from the W.
  • Forecast day icon
    Sunday
    Sunny
    72°
    Forecast night icon
    Night
    Mostly Cloudy
    48°
    Sunday 5/12
    Day
    72°
    Sunny
    Forecast day icon
    Night
    48°
    Mostly Cloudy
    Forecast night icon
    Day Details
    Sunny. High temperature around 72F. Dew point will be around 42F with an average humidity of 47%. Winds will be 3 mph from the NW.
    Night Details
    Mostly cloudy. Low temperature around 48F. Dew point will be around 42F with an average humidity of 60%. Winds will be 6 mph from the W.