10-Day Weather Forecast - Fort Harrison, MT

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  • 80|51°F
    Partly Sunny
    Arrow up

    Today

    80°F

    Sunny until late afternoon then becoming partly sunny. Highs in the lower 80s. Southeast winds up to 5 mph shifting to the south 5 to 15 mph with gusts to around 30 mph in the afternoon.

    Tonight

    51°F

    Mostly cloudy in the evening then becoming partly cloudy. Lows in the upper 40s. Southeast winds 5 to 15 mph.

    Hourly details
  • Day

    67°F

    Cooler. Sunny in the morning then mostly cloudy with rain showers and slight chance of thunderstorms in the afternoon. Highs in the upper 60s. Southeast winds 5 to 10 mph shifting to the southwest 10 to 20 mph in the afternoon. Chance of precipitation 80 percent.

    Night

    37°F

    Colder. Rain showers and slight chance of thunderstorms in the evening then rain after midnight. Lows in the lower 30s. West winds 10 to 20 mph with gusts to around 35 mph. Chance of precipitation near 100 percent.

    Hourly details
  • Day

    40°F

    Much colder. Snow and rain in the morning then snow in the afternoon. Light snow accumulations. Snow level 3800 feet. Highs in the lower 40s. Northwest winds 5 to 20 mph. Chance of precipitation 90 percent.

    Night

    30°F

    Mostly cloudy with snow likely. Lows in the mid 20s. Highs around 40. Chance of snow 70 percent.

    Hourly details
  • Day

    39°F

    Mostly cloudy with snow likely. Lows in the mid 20s. Highs around 40. Chance of snow 70 percent.

    Night

    26°F

    Mostly cloudy. A 20 percent chance of snow. Lows in the lower 20s. Highs in the mid 40s.

    Hourly details
  • Weekend Weather

  • Day

    41°F

    Mostly cloudy. A 20 percent chance of snow. Lows in the lower 20s. Highs in the mid 40s.

    Night

    28°F

    Mostly cloudy. Lows in the lower 20s.

    Hourly details
  • Day

    42°F

    Partly sunny with a 20 percent chance of snow. Highs in the upper 40s.

    Night

    31°F

    Mostly cloudy in the evening then becoming partly cloudy. Lows in the upper 20s.

    Hourly details
  • Day

    53°F

    Mostly sunny. A 20 percent chance of rain and snow in the afternoon. Highs in the mid 50s.

    Night

    34°F

    Partly cloudy. Low temperature around 34F. Dew point will be around 29F with an average humidity of 62%. Winds will be 5 mph from the W.

  • Day

    56°F

    Partly cloudy. High temperature around 56F. Dew point will be around 31F with an average humidity of 53%. Winds will be 5 mph from the NW.

    Night

    38°F

    Partly cloudy. Low temperature around 38F. Dew point will be around 32F with an average humidity of 61%. Winds will be 4 mph from the W.

  • Day

    60°F

    Mostly sunny. High temperature around 60F. Dew point will be around 33F with an average humidity of 50%. Winds will be 5 mph from the N.

    Night

    40°F

    Partly cloudy. Low temperature around 40F. Dew point will be around 33F with an average humidity of 58%. Winds will be 5 mph from the W.

  • Day

    59°F

    Partly cloudy. High temperature around 59F. Dew point will be around 34F with an average humidity of 51%. Winds will be 5 mph from the N.

    Night

    41°F

    Mostly cloudy. Low temperature around 41F. Dew point will be around 35F with an average humidity of 61%. Winds will be 5 mph from the W.