10-Day Weather Forecast - Sweet Grass, MT

Mostly sunny. Highs in the lower 40s. West winds 5 to 15 mph with gusts to around 30 mph.

Mostly cloudy. Lows in the lower 20s. West winds 10 to 20 mph with gusts to around 35 mph.

Breezy. Mostly cloudy with a 20 percent chance of snow in the morning then mostly sunny in the afternoon. Highs in the lower 30s. Northwest winds 15 to 25 mph. Gusts up to 45 mph decreasing to 35 mph in the afternoon.

Colder. Mostly clear in the evening then becoming mostly cloudy. Lows around 13. Northwest winds 5 to 15 mph. Gusts up to 30 mph after midnight.

Mostly sunny. Highs in the upper 20s.

Mostly cloudy. Lows around 15. Highs in the upper 20s.

Mostly cloudy. Lows around 15. Highs in the upper 20s.

Colder. Mostly cloudy. A 20 percent chance of snow. Lows around 5. Highs around 17.

Colder. Mostly cloudy. A 20 percent chance of snow. Lows around 5. Highs around 17.

Mostly cloudy with a 20 percent chance of snow. Lows around 2 below. Highs around 14.

Mostly cloudy with a 20 percent chance of snow. Lows around 2 below. Highs around 14.

Mostly cloudy with a 20 percent chance of snow. Lows around 2 below. Highs around 14.

Partly sunny. Highs around 19.

Partly cloudy. Low temperature around 16F. Dew point will be around 10F with an average humidity of 73%. Winds will be 7 mph from the W.

Partly cloudy. High temperature around 25F. Dew point will be around 13F with an average humidity of 66%. Winds will be 5 mph from the W.

Mostly clear. Low temperature around 18F. Dew point will be around 13F with an average humidity of 77%. Winds will be 6 mph from the W.

Mostly sunny. High temperature around 25F. Dew point will be around 14F with an average humidity of 69%. Winds will be 5 mph from the W.

Partly cloudy. Low temperature around 19F. Dew point will be around 13F with an average humidity of 75%. Winds will be 7 mph from the SW.