10-Day Weather Forecast - Fort Harrison, MT

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  • 78|53°F
    Mostly Sunny

    Today

    78°F

    Mostly sunny. High temperature around 78F. Dew point will be around 34F with an average humidity of 37%. Winds will be 8 mph from the W.

    Tonight

    53°F

    Mostly cloudy in the evening then becoming partly cloudy. Lows in the upper 40s. Southwest winds up to 10 mph.

    Hourly details
  • Day

    75°F

    Mostly sunny. Highs in the mid 70s. West winds 5 to 10 mph shifting to the northwest 10 to 20 mph in the afternoon.

    Night

    46°F

    Colder. Mostly clear. Lows in the upper 30s. Northwest winds 5 to 15 mph with gusts to around 30 mph shifting to the west up to 5 mph after midnight.

    Hourly details
  • Day

    79°F

    Sunny. Highs in the lower 80s. Light winds becoming east 5 to 10 mph in the afternoon.

    Night

    52°F

    Partly cloudy. Lows in the upper 40s. East winds up to 10 mph shifting to the south after midnight.

    Hourly details
  • Day

    85°F

    Mostly sunny. Highs around 90.

    Night

    51°F

    Mostly cloudy. Chance of rain showers and slight chance of thunderstorms in the evening then slight chance of rain after midnight. Lows in the lower 50s. Chance of precipitation 40 percent.

    Hourly details
  • Day

    65°F

    Not as warm. Partly sunny. Slight chance of rain in the morning then chance of thunderstorms in the afternoon. Highs in the upper 70s. Chance of precipitation 50 percent.

    Night

    42°F

    Mostly cloudy with chance of rain showers and slight chance of thunderstorms in the evening then partly cloudy with slight chance of rain after midnight. Lows in the mid 40s. Chance of precipitation 40 percent.

    Hourly details
  • Day

    69°F

    Breezy. Mostly sunny with a 20 percent chance of rain. Highs in the lower 70s.

    Night

    46°F

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

    Hourly details
  • Weekend Weather

  • Day

    64°F

    Mostly sunny with a 20 percent chance of rain. Highs in the mid 60s.

    Night

    41°F

    Mostly cloudy with a 20 percent chance of rain in the evening then partly cloudy after midnight. Lows in the upper 30s.

  • Day

    61°F

    Mostly sunny. A 20 percent chance of rain in the afternoon. Highs in the mid 60s.

    Night

    39°F

    Mostly clear. Low temperature around 39F. Dew point will be around 28F with an average humidity of 48%. Winds will be 8 mph from the W.

  • Day

    65°F

    Partly cloudy. High temperature around 65F. Dew point will be around 31F with an average humidity of 42%. Winds will be 4 mph from the W.

    Night

    42°F

    Mostly cloudy. Low temperature around 42F. Dew point will be around 31F with an average humidity of 45%. Winds will be 7 mph from the W.

  • Day

    66°F

    Mostly sunny. High temperature around 66F. Dew point will be around 33F with an average humidity of 40%. Winds will be 7 mph from the W.

    Night

    42°F

    Mostly clear. Low temperature around 42F. Dew point will be around 30F with an average humidity of 45%. Winds will be 8 mph from the W.