10-Day Weather Forecast - Fort Harrison, MT

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  • 75|45°F
    Sunny

    Today

    75°F

    Sunny. Highs in the upper 70s. West winds up to 10 mph increasing to northwest 15 to 20 mph in the afternoon. Gusts up to 35 mph.

    Tonight

    45°F

    Partly cloudy. Lows in the lower 40s. Northwest winds 5 to 15 mph with gusts to around 35 mph shifting to the west up to 5 mph after midnight.

    Hourly details
  • Day

    78°F

    Sunny. Highs in the lower 80s. Light winds becoming east up to 10 mph in the afternoon.

    Night

    52°F

    Partly cloudy. Lows in the upper 40s. Southeast winds up to 10 mph.

    Hourly details
  • Day

    81°F

    Mostly sunny. Highs in the upper 80s. Southeast winds up to 5 mph increasing to 5 to 15 mph in the afternoon.

    Night

    47°F

    Mostly cloudy. Rain showers likely and chance of thunderstorms in the evening then chance of rain showers after midnight. Lows in the upper 40s. Chance of precipitation 60 percent.

    Hourly details
  • Day

    62°F

    Windy cooler. Partly sunny. Chance of rain showers in the morning then chance of rain showers and slight chance of thunderstorms in the afternoon. Highs in the lower 70s. Chance of precipitation 50 percent.

    Night

    39°F

    Partly cloudy. A 20 percent chance of rain in the evening. Lows in the lower 40s.

    Hourly details
  • Day

    69°F

    Mostly sunny. Highs in the lower 70s.

    Night

    44°F

    Partly cloudy. A 20 percent chance of rain in the evening. Lows in the lower 40s.

    Hourly details
  • Weekend Weather

  • Day

    55°F

    Mostly sunny. Highs in the mid 60s.

    Night

    37°F

    Partly cloudy. A 20 percent chance of rain. Lows in the upper 30s. Highs in the mid 60s.

    Hourly details
  • Day

    60°F

    Partly cloudy. A 20 percent chance of rain. Lows in the upper 30s. Highs in the mid 60s.

    Night

    37°F

    Partly cloudy. Low temperature around 37F. Dew point will be around 26F with an average humidity of 51%. Winds will be 6 mph from the NW.

  • Day

    63°F

    Sunny. High temperature around 63F. Dew point will be around 29F with an average humidity of 40%. Winds will be 6 mph from the W.

    Night

    40°F

    Mostly clear. Low temperature around 40F. Dew point will be around 27F with an average humidity of 43%. Winds will be 8 mph from the W.

  • Day

    66°F

    Partly cloudy. High temperature around 66F. Dew point will be around 29F with an average humidity of 37%. Winds will be 7 mph from the W.

    Night

    42°F

    Partly cloudy. Low temperature around 42F. Dew point will be around 29F with an average humidity of 45%. Winds will be 7 mph from the W.

  • Day

    63°F

    Partly cloudy with a slight chance of rain. Chance of precipitation 25%. High temperature around 63F. Dew point will be around 33F with an average humidity of 44%. Winds will be 5 mph from the NW.

    Night

    41°F

    Partly cloudy with a slight chance of rain. Chance of precipitation 25%. Low temperature around 41F. Dew point will be around 31F with an average humidity of 50%. Winds will be 6 mph from the NW.