10-Day Weather Forecast - Sumatra, MT

Decreasing clouds. Highs in the lower 60s. Northeast winds 5 to 10 mph.

Increasing clouds. Lows in the upper 30s. East winds 5 to 10 mph.

Decreasing clouds. Highs in the upper 60s. Northwest winds 5 to 10 mph.

Mostly cloudy. A 20 percent chance of rain showers in the evening. Lows in the mid 40s.

Partly sunny. A 20 percent chance of rain showers in the afternoon. Highs in the lower 70s.

Mostly cloudy. Chance of rain showers in the evening and overnight then chance of rain and snow showers after 3 am. Colder. Lows in the lower 30s. Chance of precipitation 30 percent.

Mostly cloudy with slight chance of rain and snow showers early in the morning then partly sunny with slight chance of snow showers in the late morning and afternoon. Much colder. Highs in the upper 40s. Chance of precipitation 20 percent.

Partly cloudy. Lows in the upper 20s.

Sunny. Highs in the lower 50s.

Mostly clear. Lows in the upper 20s.

Mostly sunny. Highs in the lower 60s.

Partly cloudy. Lows in the mid 30s.

Mostly sunny. Highs in the upper 60s.

Partly cloudy. Low temperature around 41F. Dew point will be around 30F with an average humidity of 48%. Winds will be 2 mph from the N.

Mostly sunny. High temperature around 58F. Dew point will be around 29F with an average humidity of 43%. Winds will be 5 mph from the NW.

Partly cloudy. Low temperature around 36F. Dew point will be around 28F with an average humidity of 53%. Winds will be 5 mph from the N.

Partly cloudy. High temperature around 54F. Dew point will be around 28F with an average humidity of 51%. Winds will be 3 mph from the N.

Partly cloudy. Low temperature around 35F. Dew point will be around 27F with an average humidity of 56%. Winds will be 3 mph from the E.