10-Day Weather Forecast - Grantsdale, MT

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  • 58|36°F
    Mostly Cloudy
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    Today

    58°F

    Mostly cloudy. Highs in the mid to upper 40s.

    Tonight

    36°F

    Mostly cloudy. Lows near 30.

    Hourly details
  • Day

    47°F

    Mostly sunny. Patchy fog in the morning. Highs in the 40s.

    Night

    33°F

    Mostly clear. Lows in the 20s.

    Hourly details
  • Day

    49°F

    Mostly sunny. Highs in the upper 30s to mid 40s.

    Night

    28°F

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

    Hourly details
  • Day

    42°F

    Mostly sunny. Highs in the mid to upper 30s.

    Night

    28°F

    Partly cloudy. Lows 19 to 23.

    Hourly details
  • Weekend Weather

  • Day

    44°F

    Mostly sunny. Highs in the upper 30s to mid 40s.

    Night

    27°F

    Mostly clear. Lows 19 to 24.

    Hourly details
  • Day

    44°F

    Mostly sunny. Highs in the 40s.

    Night

    24°F

    Mostly clear. Lows in the lower to mid 20s.

    Hourly details
  • Day

    44°F

    Mostly sunny. Highs in the upper 30s to mid 40s.

    Night

    28°F

    Mostly clear. Low temperature around 28F. Dew point will be around 21F with an average humidity of 69%. Winds will be 6 mph from the S.

  • Day

    45°F

    Mostly sunny. High temperature around 45F. Dew point will be around 23F with an average humidity of 52%. Winds will be 5 mph from the S.

    Night

    31°F

    Mostly clear. Low temperature around 31F. Dew point will be around 24F with an average humidity of 71%. Winds will be 4 mph from the S.

  • Day

    37°F

    Mostly cloudy. High temperature around 37F. Dew point will be around 23F with an average humidity of 62%. Winds will be 3 mph from the SE.

    Night

    23°F

    Cloudy with a chance of snow. Chance of precipitation 40%. Low temperature around 23F. Dew point will be around 18F with an average humidity of 72%. Winds will be 2 mph from the E.

  • Day

    28°F

    Cloudy with a chance of snow. Chance of precipitation 45%. High temperature around 28F. Dew point will be around 16F with an average humidity of 64%. Winds will be 2 mph from the E.

    Night

    17°F

    Cloudy with a chance of snow. Chance of precipitation 45%. Low temperature around 17F. Dew point will be around 13F with an average humidity of 73%. Winds will be 2 mph from the SE.