10-Day Weather Forecast - Grantsdale, MT

Mostly sunny. Highs in the mid to upper 80s. Southwest winds to 15 mph.

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

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

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

Partly cloudy. A 20 percent chance of showers and thunderstorms in the afternoon. Highs in the mid to upper 80s.

Partly cloudy with a 20 percent chance of showers and thunderstorms in the evening then mostly cloudy after midnight. Lows in the mid 50s to lower 60s.

Partly cloudy. Chance of rain showers and a slight chance of thunderstorms in the afternoon. Chance of precipitation 30 percent. Highs near 90.

Partly cloudy. Lows near 60.

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

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

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

Clear. Low temperature around 56F. Dew point will be around 43F with an average humidity of 47%. Winds will be 6 mph from the NW.

Sunny. High temperature around 84F. Dew point will be around 47F with an average humidity of 41%. Winds will be 4 mph from the W.

Clear. Low temperature around 59F. Dew point will be around 45F with an average humidity of 44%. Winds will be 4 mph from the NW.

Sunny. High temperature around 89F. Dew point will be around 49F with an average humidity of 38%. Winds will be 3 mph from the NW.

Clear. Low temperature around 61F. Dew point will be around 47F with an average humidity of 42%. Winds will be 4 mph from the NW.

Sunny. High temperature around 90F. Dew point will be around 51F with an average humidity of 38%. Winds will be 3 mph from the S.

Clear. Low temperature around 61F. Dew point will be around 47F with an average humidity of 41%. Winds will be 4 mph from the W.