10-Day Weather Forecast - Roy, MT

Partly sunny. Highs in the upper 50s. West winds up to 5 mph shifting to the northeast in the afternoon.

Mostly cloudy. Lows in the mid 30s. East winds 5 to 10 mph shifting to the south after midnight.

Mostly cloudy. A 20 percent chance of rain and snow in the afternoon. Highs in the upper 50s. Southwest winds up to 10 mph shifting to the north in the afternoon.

Mostly cloudy. Chance of rain and slight chance of snow in the evening. Lows in the lower 40s. Chance of precipitation 40 percent.

Partly sunny. A 20 percent chance of rain in the afternoon. Highs in the mid 60s.

Colder. Mostly cloudy. Slight chance of rain in the evening then slight chance of rain and snow after midnight. Lows in the upper 20s. Chance of precipitation 20 percent.

Cooler. Mostly sunny. A 20 percent chance of snow in the morning. Highs in the mid 40s.

Partly cloudy. Lows in the mid 20s.

Mostly clear. Highs in the lower 50s. Lows in the upper 20s.

Mostly clear. Highs in the lower 50s. Lows in the upper 20s.

Mostly sunny. Highs in the upper 50s.

Mostly clear. Low temperature around 36F. Dew point will be around 20F with an average humidity of 41%. Winds will be 7 mph from the SE.

Partly cloudy. High temperature around 63F. Dew point will be around 23F with an average humidity of 34%. Winds will be 2 mph from the W.

Partly cloudy. Low temperature around 39F. Dew point will be around 27F with an average humidity of 44%. Winds will be 4 mph from the W.

Mostly cloudy. High temperature around 56F. Dew point will be around 25F with an average humidity of 38%. Winds will be 7 mph from the NW.

Mostly clear. Low temperature around 35F. Dew point will be around 26F with an average humidity of 51%. Winds will be 5 mph from the W.

Mostly cloudy. High temperature around 53F. Dew point will be around 25F with an average humidity of 44%. Winds will be 3 mph from the W.

Partly cloudy. Low temperature around 35F. Dew point will be around 26F with an average humidity of 52%. Winds will be 2 mph from the W.