10-Day Weather Forecast - Sumatra, MT

Increasing clouds. Highs in the lower 40s. West winds 10 to 20 mph.

Cloudy. Slight chance of rain showers in the evening then chance of rain showers overnight. Lows in the mid 30s. Temperatures rising into the lower 40s after midnight. Southwest winds 5 to 15 mph. Chance of precipitation 40 percent.

Mostly cloudy. A 30 percent chance of rain showers. Highs around 50. West winds 15 to 25 mph. Gusts up to 40 mph in the afternoon.

Mostly cloudy. Slight chance of rain showers in the evening. Slight chance of snow showers late in the evening then chance of rain and snow showers overnight. Lows in the upper 20s. Chance of precipitation 30 percent.

Colder. Chance of rain and snow showers in the morning then rain showers likely in the afternoon. Highs in the upper 30s. Chance of precipitation 70 percent.

Rain and snow showers likely in the evening then chance of snow showers overnight. Colder. Lows around 11. Chance of precipitation 60 percent.

Mostly cloudy with a 40 percent chance of snow. Colder. Highs in the lower 20s.

Mostly cloudy with a 40 percent chance of snow. Colder. Lows around 2 below.

Mostly cloudy with a 30 percent chance of snow. Highs around 12.

Mostly cloudy. Chance of snow in the evening then slight chance of snow overnight. Lows around 3. Chance of precipitation 30 percent.

Mostly cloudy with a 20 percent chance of snow showers. Not as cold. Highs in the mid 20s.

Mostly cloudy. Lows around 11.

Partly sunny. Highs in the lower 30s.

Partly cloudy. Low temperature around 22F. Dew point will be around 20F with an average humidity of 85%. Winds will be 2 mph from the W.

Partly cloudy. High temperature around 28F. Dew point will be around 22F with an average humidity of 82%. Winds will be 4 mph from the SW.

Mostly cloudy. Low temperature around 23F. Dew point will be around 21F with an average humidity of 84%. Winds will be 4 mph from the W.

Partly cloudy. High temperature around 29F. Dew point will be around 22F with an average humidity of 80%. Winds will be 4 mph from the SW.

Cloudy with a slight chance of snow. Chance of precipitation 25%. Low temperature around 22F. Dew point will be around 22F with an average humidity of 85%. Winds will be 4 mph from the W.