10-Day Weather Forecast - Roy, MT

Mostly sunny. Highs in the lower 80s. Southwest winds up to 10 mph.

Partly cloudy in the evening then becoming mostly cloudy. Lows in the lower 50s. Southeast winds 5 to 15 mph.

Partly sunny. A 50 percent chance of rain showers in the afternoon. Highs 72 to 78. Southwest winds 5 to 10 mph shifting to the west 10 to 20 mph in the afternoon.

Windy colder. Rain showers and slight chance of thunderstorms in the evening then rain and snow after midnight. Light snow accumulations. Lows in the lower 30s. Chance of precipitation near 100 percent.

Very windy. Much colder. Snow and rain likely in the morning then snow likely in the afternoon. Moderate snow accumulations. Highs 37 to 43. Chance of precipitation 70 percent.

Windy. Mostly cloudy. A 50 percent chance of snow. Lows in the mid 20s. Highs in the upper 30s.

Windy. Mostly cloudy. A 50 percent chance of snow. Lows in the mid 20s. Highs in the upper 30s.

Mostly cloudy. A 20 percent chance of snow in the evening. Lows in the lower 20s.

Mostly sunny. A 20 percent chance of snow in the afternoon. Highs in the lower 40s.

Partly cloudy in the evening then becoming mostly cloudy. Lows in the lower 20s.

Partly sunny. A 20 percent chance of snow in the afternoon. Highs in the mid 40s.

Partly cloudy. Low temperature around 26F. Dew point will be around 20F with an average humidity of 64%. Winds will be 5 mph from the NW.

Cloudy. High temperature around 48F. Dew point will be around 23F with an average humidity of 50%. Winds will be 2 mph from the N.

Partly cloudy. Low temperature around 29F. Dew point will be around 25F with an average humidity of 65%. Winds will be 3 mph from the SE.

Mostly sunny. High temperature around 53F. Dew point will be around 28F with an average humidity of 53%. Winds will be 2 mph from the N.

Partly cloudy. Low temperature around 34F. Dew point will be around 31F with an average humidity of 69%. Winds will be 3 mph from the SE.

Partly cloudy. High temperature around 54F. Dew point will be around 31F with an average humidity of 53%. Winds will be 3 mph from the N.

Mostly cloudy. Low temperature around 35F. Dew point will be around 31F with an average humidity of 68%. Winds will be 2 mph from the N.