10-Day Weather Forecast - Grantsdale, MT

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  • |65°F
    Mostly Clear

    Tonight

    65°F

    Mostly clear. Lows in the mid to upper 50s.

    Hourly details
  • 87|61°F
    Mostly Sunny

    Day

    87°F

    Mostly sunny. A 20 percent chance of showers and thunderstorms in the afternoon. Highs near 90. Southwest winds to 15 mph.

    Night

    61°F

    Partly cloudy. Lows in the 50s. West winds to 15 mph.

    Hourly details
  • 82|56°F
    Mostly Sunny

    Day

    82°F

    Mostly sunny. Highs in the mid to upper 80s.

    Night

    56°F

    Mostly clear. Lows in the lower to mid 50s. West winds to 15 mph.

    Hourly details
  • 87|60°F
    Sunny

    Day

    87°F

    Sunny. Highs near 90.

    Night

    60°F

    Mostly clear. Lows in the mid 50s to lower 60s.

    Hourly details
  • 90|63°F
    Sunny

    Day

    90°F

    Sunny. Highs in the lower to mid 90s.

    Night

    63°F

    Partly cloudy. Lows near 60.

    Hourly details
  • 90|65°F
    Partly Cloudy

    Day

    90°F

    Partly cloudy. Highs in the lower to mid 90s.

    Night

    65°F

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

    Hourly details
  • 83|66°F
    Partly Cloudy

    Day

    83°F

    Partly cloudy. Highs in the lower to mid 90s.

    Night

    66°F

    Partly cloudy with a 20 percent chance of rain. Lows in the lower to mid 60s.

    Hourly details
  • 89|65°F
    Partly Cloudy

    Day

    89°F

    Partly cloudy. A 20 percent chance of showers and thunderstorms in the afternoon. Highs near 90.

    Night

    65°F

    Partly cloudy with widely scattered thunderstorms. Chance of storms 25%. Low temperature around 65F. Dew point will be around 55F with an average humidity of 52%. Winds will be 3 mph from the S.

  • 90|65°F
    Sunny

    Day

    90°F

    Sunny with widely scattered thunderstorms. Chance of storms 25%. High temperature around 90F. Dew point will be around 56F with an average humidity of 45%. Winds will be 3 mph from the N.

    Night

    65°F

    Clear with a 25% chance for rain and thunderstorms. Low temperature around 65F. Dew point will be around 56F with an average humidity of 54%. Winds will be 3 mph from the S.

  • 90|65°F
    Sunny

    Day

    90°F

    Sunny. High temperature around 90F. Dew point will be around 56F with an average humidity of 46%. Winds will be 3 mph from the SE.

    Night

    65°F

    Mostly clear. Low temperature around 65F. Dew point will be around 55F with an average humidity of 50%. Winds will be 3 mph from the S.