10-Day Weather Forecast - Roy, MT

Mostly sunny. Highs in the lower 50s. West winds 10 to 15 mph with gusts to around 40 mph.

Partly cloudy in the evening then becoming mostly cloudy. Lows in the upper 30s. West winds 10 to 20 mph with gusts to around 40 mph.

Windy. Partly sunny. Patchy blowing dust in the afternoon. Highs around 60. West winds 15 to 25 mph increasing to 20 to 35 mph in the afternoon. Gusts up to 55 mph.

Windy. Mostly cloudy. Lows in the mid 40s. West winds 15 to 30 mph with gusts to around 55 mph.

Breezy. Mostly cloudy. Highs in the upper 50s. Lows in the upper 30s.

Breezy. Mostly cloudy. Highs in the upper 50s. Lows in the upper 30s.

Mostly sunny. Highs in the lower 60s.

Breezy. Mostly clear. Lows in the mid 30s.

Breezy cooler. Partly cloudy. Highs in the mid 40s. Lows in the lower 20s.

Breezy cooler. Partly cloudy. Highs in the mid 40s. Lows in the lower 20s.

Mostly cloudy. Highs in the mid 30s. Lows in the lower 20s.

Mostly cloudy. Highs in the mid 30s. Lows in the lower 20s.

Not as cool. Mostly sunny. Highs in the upper 40s.

Clear. Low temperature around 28F. Dew point will be around 12F with an average humidity of 45%. Winds will be 8 mph from the W.

Sunny. High temperature around 44F. Dew point will be around 13F with an average humidity of 35%. Winds will be 10 mph from the W.

Clear. Low temperature around 28F. Dew point will be around 15F with an average humidity of 49%. Winds will be 6 mph from the W.

Sunny. High temperature around 42F. Dew point will be around 15F with an average humidity of 40%. Winds will be 4 mph from the W.

Clear. Low temperature around 27F. Dew point will be around 15F with an average humidity of 51%. Winds will be 3 mph from the W.