Fort Harrison, Montana | 10-Day Weather Forecasts & Weekend Weather | WeatherBug
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10 Day Forecast
  • Forecast day icon
    Wednesday
    Frozen Mix
    42°
    Forecast night icon
    Night
    70% Chance of Rain
    40°
    Wednesday 5/8
    Day
    42°
    Frozen Mix
    Forecast day icon
    Night
    40°
    70% Chance of Rain
    Forecast night icon
    Hourly
    Day Details
    Breezy. Rain and snow in the morning then rain likely in the afternoon. Snow accumulation up to 1 inch. Highs in the mid 40s. Northwest winds 15 to 25 mph. Chance of precipitation near 100 percent.
    Night Details
    Mostly cloudy. Rain likely in the evening then chance of rain after midnight. Lows 35 to 40. Northwest winds 5 to 15 mph. Chance of rain 70 percent.
  • Forecast day icon
    Thursday
    Mostly Cloudy
    58°
    Forecast night icon
    Night
    Mostly Clear
    36°
    Thursday 5/9
    Day
    58°
    Mostly Cloudy
    Forecast day icon
    Night
    36°
    Mostly Clear
    Forecast night icon
    Hourly
    Day Details
    Not as cool. Mostly cloudy. A 20 percent chance of rain in the morning. Highs 55 to 60. Northwest winds 5 to 10 mph.
    Night Details
    Mostly clear. Lows around 35. North winds 5 to 10 mph shifting to the south after midnight.
  • Forecast day icon
    Friday
    Partly Cloudy
    67°
    Forecast night icon
    Night
    Clear
    43°
    Friday 5/10
    Day
    67°
    Partly Cloudy
    Forecast day icon
    Night
    43°
    Clear
    Forecast night icon
    Hourly
    Day Details
    Warmer. Partly cloudy in the morning then becoming sunny. Highs 65 to 70. Southeast winds up to 10 mph.
    Night Details
    Clear. Lows around 40.
  • Forecast day icon
    Saturday
    Mostly Sunny
    74°
    Forecast night icon
    Night
    Mostly Clear
    47°
    Saturday 5/11
    Day
    74°
    Mostly Sunny
    Forecast day icon
    Night
    47°
    Mostly Clear
    Forecast night icon
    Hourly
    Day Details
    Mostly clear. Highs 75 to 80. Lows around 45.
    Night Details
    Mostly clear. Highs 75 to 80. Lows around 45.
  • Forecast day icon
    Sunday
    Mostly Sunny
    78°
    Forecast night icon
    Night
    Mostly Clear
    50°
    Sunday 5/12
    Day
    78°
    Mostly Sunny
    Forecast day icon
    Night
    50°
    Mostly Clear
    Forecast night icon
    Hourly
    Day Details
    Mostly clear. Highs 75 to 80. Lows around 45.
    Night Details
    Mostly clear. Lows around 50. Highs 75 to 80.
  • Forecast day icon
    Monday
    Mostly Sunny
    74°
    Forecast night icon
    Night
    Partly Cloudy
    50°
    Monday 5/13
    Day
    74°
    Mostly Sunny
    Forecast day icon
    Night
    50°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Mostly clear. Lows around 50. Highs 75 to 80.
    Night Details
    Partly cloudy. Lows around 50.
  • Forecast day icon
    Tuesday
    Partly Cloudy
    71°
    Forecast night icon
    Night
    Mostly Clear
    44°
    Tuesday 5/14
    Day
    71°
    Partly Cloudy
    Forecast day icon
    Night
    44°
    Mostly Clear
    Forecast night icon
    Day Details
    Partly cloudy with a 20 percent chance of rain showers. Highs 70 to 75.
    Night Details
    Mostly clear. Low temperature around 44F. Dew point will be around 39F with an average humidity of 61%. Winds will be 9 mph from the NW.
  • Forecast day icon
    Wednesday
    Mostly Sunny
    68°
    Forecast night icon
    Night
    Partly Cloudy
    44°
    Wednesday 5/15
    Day
    68°
    Mostly Sunny
    Forecast day icon
    Night
    44°
    Partly Cloudy
    Forecast night icon
    Day Details
    Mostly sunny. High temperature around 68F. Dew point will be around 40F with an average humidity of 51%. Winds will be 8 mph from the W.
    Night Details
    Partly cloudy. Low temperature around 44F. Dew point will be around 39F with an average humidity of 60%. Winds will be 6 mph from the SW.
  • Forecast day icon
    Thursday
    Sunny
    73°
    Forecast night icon
    Night
    Clear
    45°
    Thursday 5/16
    Day
    73°
    Sunny
    Forecast day icon
    Night
    45°
    Clear
    Forecast night icon
    Day Details
    Sunny. High temperature around 73F. Dew point will be around 38F with an average humidity of 42%. Winds will be 8 mph from the NW.
    Night Details
    Clear. Low temperature around 45F. Dew point will be around 36F with an average humidity of 51%. Winds will be 7 mph from the SW.
  • Forecast day icon
    Friday
    Sunny
    72°
    Forecast night icon
    Night
    30% Chance of Rain
    44°
    Friday 5/17
    Day
    72°
    Sunny
    Forecast day icon
    Night
    44°
    30% Chance of Rain
    Forecast night icon
    Day Details
    Sunny. High temperature around 72F. Dew point will be around 38F with an average humidity of 41%. Winds will be 8 mph from the W.
    Night Details
    Partly cloudy with a slight chance of rain. Chance of precipitation 25%. Low temperature around 44F. Dew point will be around 39F with an average humidity of 57%. Winds will be 6 mph from the W.