10-Day Weather Forecast - Sumatra, MT

Sunny. Highs in the mid 60s. West winds 5 to 15 mph.

Mostly clear. Lows in the upper 20s. West winds 5 to 10 mph.

Sunny. Highs in the upper 50s. Light and variable winds in the morning becoming southeast 5 to 10 mph in the afternoon.

Partly cloudy. Lows in the mid 30s. Southeast winds 5 to 10 mph in the evening shifting to the southwest overnight.

Decreasing clouds. Highs in the lower 60s.

Increasing clouds. Lows in the upper 30s.

Decreasing clouds. Highs in the lower 60s.

Mostly cloudy. Lows in the mid 30s.

Mostly cloudy. A 20 percent chance of rain in the afternoon. Highs in the mid 50s.

Partly cloudy. Slight chance of rain in the evening then slight chance of rain and snow overnight. Lows in the upper 20s. Chance of precipitation 20 percent.

Mostly sunny with a 20 percent chance of rain and snow. Highs in the mid 40s.

Mostly cloudy. A 20 percent chance of rain and snow overnight. Lows in the mid 20s.

Mostly cloudy. Slight chance of snow in the morning then slight chance of rain and snow in the afternoon. Highs in the mid 40s. Chance of precipitation 20 percent.

Partly cloudy. Low temperature around 27F. Dew point will be around 20F with an average humidity of 66%. Winds will be 4 mph from the SW.

Mostly sunny. High temperature around 43F. Dew point will be around 22F with an average humidity of 52%. Winds will be 8 mph from the W.

Clear. Low temperature around 29F. Dew point will be around 19F with an average humidity of 56%. Winds will be 7 mph from the W.

Partly cloudy. High temperature around 43F. Dew point will be around 20F with an average humidity of 47%. Winds will be 10 mph from the W.

Cloudy. Low temperature around 28F. Dew point will be around 19F with an average humidity of 58%. Winds will be 5 mph from the W.