10-Day Weather Forecast - Sweet Grass, MT

Windy sunny. Highs around 60. West winds 10 to 20 mph increasing to 15 to 30 mph in the afternoon. Gusts up to 45 mph.

Breezy. Mostly clear. Lows around 30. West winds 15 to 25 mph with gusts to around 40 mph decreasing to 10 to 15 mph with gusts to around 30 mph after midnight.

Colder sunny. Highs around 40. Northwest winds 5 to 15 mph with gusts to around 30 mph.

Colder. Mostly clear. Lows around 18. Northwest winds 5 to 15 mph with gusts to around 30 mph.

Mostly sunny. Highs in the upper 30s.

Warmer. Mostly clear. Lows in the mid 20s. Highs in the lower 50s.

Warmer. Mostly clear. Lows in the mid 20s. Highs in the lower 50s.

Warmer. Mostly clear. Lows in the mid 20s. Highs in the lower 50s.

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

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

Partly cloudy. Highs in the mid 40s. Lows in the mid 20s.

Partly cloudy. Highs in the mid 40s. Lows in the mid 20s.

Partly sunny. Highs around 40.

Mostly cloudy with a slight chance of snow. Chance of precipitation 25%. Low temperature around 17F. Dew point will be around 15F with an average humidity of 73%. Winds will be 8 mph from the NW.

Cloudy with a slight chance of snow. Chance of precipitation 25%. High temperature around 19F. Dew point will be around 10F with an average humidity of 70%. Winds will be 10 mph from the N.

Cloudy with a slight chance of snow. Chance of precipitation 30%. Low temperature around 8F. Dew point will be around 6F with an average humidity of 76%. Winds will be 9 mph from the N.

Cloudy with a slight chance of snow. Chance of precipitation 30%. High temperature around 13F. Dew point will be around 4F with an average humidity of 74%. Winds will be 8 mph from the NW.

Cloudy with a slight chance of snow. Chance of precipitation 30%. Low temperature around 6F. Dew point will be around 2F with an average humidity of 76%. Winds will be 7 mph from the NW.