10-Day Weather Forecast - Sumatra, MT

Decreasing clouds. Highs in the upper 30s. North winds 10 to 20 mph.

Partly cloudy. Lows in the lower 20s. East winds 5 to 15 mph.

Mostly sunny. Highs in the upper 40s. Light and variable winds.

Partly cloudy. Lows in the upper 20s. Light and variable winds.

Mostly sunny. Highs in the upper 50s.

Partly cloudy in the evening and overnight then clearing. Lows in the upper 20s.

Sunny. Highs in the upper 50s.

Increasing clouds. Lows in the lower 30s.

Mostly cloudy. Highs around 60.

Mostly cloudy. A 30 percent chance of rain showers overnight. Lows in the lower 30s.

Mostly cloudy. Cooler. Chance of rain showers through the day. Chance of snow showers late in the morning. Highs in the upper 40s. Chance of precipitation 40 percent.

Decreasing clouds. Lows in the mid 20s.

Mostly sunny. Highs in the mid 50s.

Partly cloudy. Low temperature around 31F. Dew point will be around 23F with an average humidity of 59%. Winds will be 7 mph from the W.

Partly cloudy. High temperature around 47F. Dew point will be around 22F with an average humidity of 45%. Winds will be 13 mph from the W.

Cloudy. Low temperature around 30F. Dew point will be around 22F with an average humidity of 60%. Winds will be 8 mph from the W.

Cloudy with a slight chance of rain-snow mix. Chance of precipitation 30%. High temperature around 40F. Dew point will be around 23F with an average humidity of 57%. Winds will be 11 mph from the W.

Cloudy. Low temperature around 24F. Dew point will be around 21F with an average humidity of 70%. Winds will be 10 mph from the NW.