10-Day Weather Forecast - Sweet Grass, MT

Sunny. Highs in the mid 70s. West winds 5 to 20 mph.

Mostly clear. Lows around 50. West winds 5 to 15 mph. Gusts up to 30 mph in the evening.

Mostly sunny. Highs around 80. Southwest winds 5 to 15 mph increasing to 15 to 20 mph in the afternoon. Gusts up to 35 mph.

Mostly clear. Lows in the lower 50s. Southwest winds 5 to 15 mph. Gusts up to 35 mph in the evening.

Mostly clear. Highs around 80. Lows in the lower 50s.

Mostly clear. Highs around 80. Lows in the lower 50s.

Mostly clear. Highs around 80. Lows in the lower 50s.

Partly cloudy. A 20 percent chance of thunderstorms in the evening. Lows in the mid 50s.

Partly cloudy. Highs in the mid 80s. Lows in the upper 50s.

Partly cloudy. Highs in the mid 80s. Lows in the upper 50s.

Sunny. Highs in the mid 80s.

Partly cloudy. A 20 percent chance of thunderstorms in the evening. Lows in the mid 50s.

Sunny. Highs in the lower 80s.

Clear. Low temperature around 58F. Dew point will be around 50F with an average humidity of 59%. Winds will be 7 mph from the W.

Sunny. High temperature around 79F. Dew point will be around 49F with an average humidity of 48%. Winds will be 5 mph from the W.

Clear. Low temperature around 58F. Dew point will be around 48F with an average humidity of 53%. Winds will be 5 mph from the SW.

Sunny. High temperature around 81F. Dew point will be around 48F with an average humidity of 43%. Winds will be 5 mph from the W.

Clear. Low temperature around 58F. Dew point will be around 49F with an average humidity of 53%. Winds will be 5 mph from the W.