10-Day Weather Forecast - Grantsdale, MT

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  • 71|46°F
    Mostly Sunny

    Today

    71°F

    Mostly sunny. Highs in the mid to upper 70s. Northwest winds to 15 mph in the afternoon.

    Tonight

    46°F

    Mostly clear. Lows near 40. Northwest winds to 15 mph.

    Hourly details
  • Day

    82°F

    Partly cloudy. Highs in the mid to upper 80s.

    Night

    58°F

    Partly cloudy. Lows near 50.

    Hourly details
  • Day

    73°F

    Partly cloudy. A 50 percent chance of rain in the afternoon. Highs in the lower to mid 80s. South winds to 15 mph with gusts to around 30 mph.

    Night

    48°F

    Rain showers likely and a slight chance of thunderstorms in the evening then a chance of rain after midnight. Chance of precipitation 70 percent. Lows in the mid to upper 40s.

    Hourly details
  • Day

    62°F

    Mostly cloudy. A chance of rain in the morning then slight chance of showers and thunderstorms in the afternoon. Chance of precipitation 40 percent. Cooler. Highs near 70.

    Night

    41°F

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

    Hourly details
  • Day

    65°F

    Mostly sunny. Highs near 70.

    Night

    43°F

    Partly cloudy with a 20 percent chance of rain. Lows near 40.

    Hourly details
  • Weekend Weather

  • Day

    51°F

    Partly cloudy with a 20 percent chance of rain. Highs in the lower 60s.

    Night

    34°F

    Partly cloudy. Lows in the mid to upper 30s.

    Hourly details
  • Day

    55°F

    Partly cloudy. Highs in the lower to mid 60s.

    Night

    38°F

    Partly cloudy. Low temperature around 38F. Dew point will be around 27F with an average humidity of 51%. Winds will be 5 mph from the NW.

  • Day

    61°F

    Mostly sunny. High temperature around 61F. Dew point will be around 30F with an average humidity of 43%. Winds will be 4 mph from the NW.

    Night

    41°F

    Partly cloudy. Low temperature around 41F. Dew point will be around 30F with an average humidity of 50%. Winds will be 5 mph from the S.

  • Day

    64°F

    Mostly sunny. High temperature around 64F. Dew point will be around 32F with an average humidity of 43%. Winds will be 6 mph from the NW.

    Night

    43°F

    Partly cloudy. Low temperature around 43F. Dew point will be around 31F with an average humidity of 48%. Winds will be 5 mph from the W.

  • Day

    64°F

    Sunny. High temperature around 64F. Dew point will be around 32F with an average humidity of 42%. Winds will be 4 mph from the NW.

    Night

    43°F

    Partly cloudy with a slight chance of rain. Chance of precipitation 30%. Low temperature around 43F. Dew point will be around 30F with an average humidity of 47%. Winds will be 4 mph from the NW.