10-Day Weather Forecast - Big Sky, MT

Sunny. Patchy smoke through the day. A 20 percent chance of thunderstorms in the afternoon. Highs 76 to 86. South winds up to 10 mph shifting to the southwest in the afternoon. Gusts up to 30 mph.

Partly cloudy. Patchy smoke after midnight. Lows 52 to 58. South winds up to 10 mph. Gusts up to 30 mph in the evening.

Partly sunny. A 40 percent chance of thunderstorms in the afternoon. Highs 73 to 83. Southwest winds up to 10 mph with gusts to around 25 mph.

Mostly cloudy with a 20 percent chance of thunderstorms in the evening, then mostly clear after midnight. Lows 50 to 56. South winds up to 10 mph.

Mostly clear. Highs 75 to 85.

Mostly clear. Lows 51 to 57.

Sunny. Highs 77 to 87.

Mostly clear. Lows 52 to 58.

Sunny. Highs 81 to 91.

Mostly clear. Lows 54 to 60.

Mostly clear. Highs 79 to 91.

Cooler. Mostly clear. Lows 47 to 53.

Sunny. Highs 69 to 79.

Clear. Low temperature around 42F. Dew point will be around 44F with an average humidity of 62%. Winds will be 6 mph from the N.

Sunny. High temperature around 78F. Dew point will be around 42F with an average humidity of 53%. Winds will be 6 mph from the NE.

Clear. Low temperature around 44F. Dew point will be around 46F with an average humidity of 67%. Winds will be 5 mph from the N.

Sunny. High temperature around 82F. Dew point will be around 44F with an average humidity of 53%. Winds will be 4 mph from the N.

Clear. Low temperature around 47F. Dew point will be around 47F with an average humidity of 60%. Winds will be 3 mph from the N.