10-Day Weather Forecast - Lewistown, MT

Breezy. Not as cool. Partly sunny. A 20 percent chance of rain in the afternoon. Highs in the lower 50s. Southwest winds 10 to 15 mph shifting to the west 15 to 25 mph in the afternoon. Gusts up to 40 mph.

Not as cold. Mostly cloudy. Chance of rain in the evening then chance of rain and snow after midnight. Lows in the lower 30s. West winds 10 to 20 mph with gusts to around 40 mph. Chance of precipitation 50 percent.

Partly sunny with a 20 percent chance of rain and snow. Highs in the mid 40s. West winds 10 to 15 mph with gusts to around 35 mph.

Mostly cloudy with a 50 percent chance of rain and snow. Lows in the upper 20s. Southwest winds 5 to 15 mph. Gusts up to 30 mph after midnight.

Windy. Partly sunny with a 40 percent chance of snow in the morning then sunny in the afternoon. Highs in the upper 40s.

Windy. Mostly clear. Lows in the lower 30s.

Very windy. Mostly sunny. Highs around 50.

Windy. Partly cloudy. A 20 percent chance of snow after midnight. Lows in the upper 20s.

Windy colder. Mostly cloudy. A 50 percent chance of snow. Highs around 40. Lows around 11.

Windy colder. Mostly cloudy. A 50 percent chance of snow. Highs around 40. Lows around 11.

Colder. Mostly cloudy in the morning then becoming mostly sunny. A 20 percent chance of snow. Highs in the mid 20s.

Partly cloudy. A 20 percent chance of snow in the evening. Lows around 12.

Partly sunny. Highs in the lower 30s.

Cloudy. Low temperature around 18F. Dew point will be around 13F with an average humidity of 73%. Winds will be 8 mph from the W.

Partly cloudy. High temperature around 34F. Dew point will be around 12F with an average humidity of 49%. Winds will be 11 mph from the W.

Mostly cloudy. Low temperature around 18F. Dew point will be around 11F with an average humidity of 65%. Winds will be 9 mph from the W.

Sunny. High temperature around 33F. Dew point will be around 11F with an average humidity of 47%. Winds will be 11 mph from the W.

Mostly clear. Low temperature around 18F. Dew point will be around 10F with an average humidity of 64%. Winds will be 8 mph from the W.