10-Day Weather Forecast - Grantsdale, MT

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  • |35°F
    Mostly Clear
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    Tonight

    35°F

    Mostly clear. Lows near 30.

    Hourly details
  • Day

    56°F

    Mostly sunny. Highs in the mid 50s to lower 60s.

    Night

    39°F

    Mostly cloudy. Lows in the lower to mid 30s.

    Hourly details
  • Weekend Weather

  • Day

    55°F

    Mostly cloudy in the morning then clearing. Highs in the lower to mid 50s.

    Night

    41°F

    Mostly cloudy. Lows in the 30s.

    Hourly details
  • Day

    52°F

    Mostly cloudy with a 40 percent chance of rain. Highs in the lower to mid 50s.

    Night

    41°F

    A chance of rain in the evening then rain likely after midnight. Chance of rain 70 percent. Lows in the 30s.

    Hourly details
  • Day

    42°F

    Rain likely in the morning then a chance of rain and snow in the afternoon. Chance of precipitation 60 percent. Highs in the lower 40s.

    Night

    29°F

    Mostly cloudy. Lows in the 20s.

    Hourly details
  • Day

    41°F

    Partly cloudy. Highs in the lower 40s.

    Night

    27°F

    Partly cloudy. Lows in the lower to mid 20s.

    Hourly details
  • Day

    40°F

    Mostly cloudy. Highs in the lower 40s.

    Night

    27°F

    Mostly cloudy in the evening then becoming partly cloudy. Lows in the lower to mid 20s.

    Hourly details
  • Day

    42°F

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

    Night

    32°F

    Partly cloudy. Low temperature around 32F. Dew point will be around 20F with an average humidity of 57%. Winds will be 4 mph from the S.

  • Day

    38°F

    Cloudy. High temperature around 38F. Dew point will be around 20F with an average humidity of 53%. Winds will be 3 mph from the SW.

    Night

    30°F

    Cloudy. Low temperature around 30F. Dew point will be around 20F with an average humidity of 60%. Winds will be 2 mph from the S.

  • Weekend Weather

  • Day

    37°F

    Cloudy with a chance of rain-snow mix. Chance of precipitation 35%. High temperature around 37F. Dew point will be around 20F with an average humidity of 56%. Winds will be 1 mph from the N.

    Night

    28°F

    Cloudy with a chance of snow. Chance of precipitation 40%. Low temperature around 28F. Dew point will be around 19F with an average humidity of 61%. Winds will be 2 mph from the E.