10-Day Weather Forecast - Sweet Grass, MT

Partly sunny in the morning then clearing. Highs in the lower 60s. South winds up to 15 mph.

Partly cloudy in the evening then becoming mostly cloudy. Lows in the upper 30s. West winds 10 to 20 mph.

Windy. Mostly sunny. Highs around 60. West winds 10 to 20 mph with gusts to around 40 mph increasing to 20 to 30 mph with gusts to around 55 mph in the afternoon.

Breezy. Mostly cloudy. Lows around 40. Highs in the mid 50s.

Breezy. Mostly cloudy. Lows around 40. Highs in the mid 50s.

Cloudy. Slight chance of rain in the evening then chance of rain and snow after midnight. Lows in the lower 30s. Chance of precipitation 30 percent.

Breezy colder. Mostly cloudy with a 20 percent chance of rain and snow. Highs in the lower 40s.

Mostly cloudy. Lows in the mid 20s.

Mostly clear. Highs in the lower 40s. Lows in the lower 20s.

Mostly clear. Highs in the lower 40s. Lows in the lower 20s.

Mostly clear. Highs in the lower 40s. Lows in the lower 20s.

Mostly clear. Low temperature around 25F. Dew point will be around 16F with an average humidity of 60%. Winds will be 10 mph from the SW.

Sunny. High temperature around 42F. Dew point will be around 15F with an average humidity of 45%. Winds will be 11 mph from the W.

Mostly clear. Low temperature around 29F. Dew point will be around 16F with an average humidity of 54%. Winds will be 11 mph from the SW.

Partly cloudy. High temperature around 38F. Dew point will be around 17F with an average humidity of 48%. Winds will be 13 mph from the W.

Cloudy. Low temperature around 27F. Dew point will be around 17F with an average humidity of 57%. Winds will be 11 mph from the W.

Cloudy. High temperature around 36F. Dew point will be around 17F with an average humidity of 50%. Winds will be 8 mph from the W.

Mostly cloudy. Low temperature around 26F. Dew point will be around 17F with an average humidity of 59%. Winds will be 6 mph from the SW.