10-Day Weather Forecast - Fort Harrison, MT

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  • 70|52°F
    70% Chance of Storms

    Today

    70°F

    Mostly sunny in the morning then chance of thunderstorms early in the afternoon. Mostly cloudy with rain showers likely and chance of thunderstorms late in the afternoon. Highs in the lower 70s. Southeast winds up to 5 mph. Chance of precipitation 70 percent.

    Tonight

    52°F

    Mostly cloudy with a 50 percent chance of thunderstorms in the evening then partly cloudy after midnight. Lows in the upper 40s. South winds up to 5 mph.

    Hourly details
  • 75|54°F
    Mostly Sunny

    Day

    75°F

    Mostly sunny. A 20 percent chance of thunderstorms in the afternoon. Highs in the mid 70s. Southeast winds up to 5 mph.

    Night

    54°F

    Mostly clear. Lows around 50. Southwest winds up to 5 mph.

    Hourly details
  • 78|54°F
    40% Chance of Storms

    Day

    78°F

    Mostly sunny. A 40 percent chance of thunderstorms in the afternoon. Highs in the upper 70s. Southwest winds up to 10 mph.

    Night

    54°F

    Mostly clear. Lows in the lower 50s. Highs in the lower 80s.

    Hourly details
  • 82|56°F
    Mostly Sunny

    Day

    82°F

    Mostly clear. Lows in the lower 50s. Highs in the lower 80s.

    Night

    56°F

    Mostly clear. Lows in the lower 50s. Highs in the lower 80s.

    Hourly details
  • 82|58°F
    Sunny

    Day

    82°F

    Sunny. A 20 percent chance of thunderstorms in the afternoon. Highs in the mid 80s.

    Night

    58°F

    Partly cloudy. Lows in the mid 50s.

    Hourly details
  • 82|63°F
    Sunny

    Day

    82°F

    Sunny. A 20 percent chance of thunderstorms in the afternoon. Highs in the mid 80s.

    Night

    63°F

    Mostly cloudy. Chance of rain showers and slight chance of thunderstorms in the evening. Lows in the mid 50s. Chance of precipitation 30 percent.

    Hourly details
  • 82|61°F
    Mostly Sunny

    Day

    82°F

    Mostly sunny. A 20 percent chance of thunderstorms in the afternoon. Highs in the mid 80s.

    Night

    61°F

    Partly cloudy with widely scattered thunderstorms. Chance of storms 25%. Low temperature around 61F. Dew point will be around 56F with an average humidity of 63%. Winds will be 6 mph from the SW.

  • 85|59°F
    Sunny

    Day

    85°F

    Sunny. High temperature around 85F. Dew point will be around 58F with an average humidity of 55%. Winds will be 3 mph from the E.

    Night

    59°F

    Mostly clear with a slight chance of rain. Chance of precipitation 25%. Low temperature around 59F. Dew point will be around 56F with an average humidity of 65%. Winds will be 5 mph from the W.

  • 82|58°F
    Sunny

    Day

    82°F

    Sunny. High temperature around 82F. Dew point will be around 55F with an average humidity of 54%. Winds will be 3 mph from the NE.

    Night

    58°F

    Clear. Low temperature around 58F. Dew point will be around 53F with an average humidity of 60%. Winds will be 6 mph from the W.

  • 83|58°F
    Sunny

    Day

    83°F

    Sunny. High temperature around 83F. Dew point will be around 53F with an average humidity of 52%. Winds will be 2 mph from the SW.

    Night

    58°F

    Clear. Low temperature around 58F. Dew point will be around 52F with an average humidity of 58%. Winds will be 5 mph from the W.