10-Day Weather Forecast - Sumatra, MT

Partly sunny. A 20 percent chance of showers and thunderstorms late in the afternoon. Highs in the upper 80s. Northeast winds 5 to 15 mph.

Chance of showers in the evening. Chance of thunderstorms through the night. Showers overnight. Lows in the lower 60s. East winds 5 to 15 mph. Chance of precipitation 90 percent.

Showers likely in the morning. Chance of thunderstorms through the day. Chance of showers in the afternoon. Highs in the lower 80s. East winds 5 to 15 mph. Chance of precipitation 70 percent.

Partly cloudy. A 20 percent chance of showers and thunderstorms in the evening. Lows in the upper 50s. Northeast winds 5 to 10 mph.

Mostly sunny. Highs in the upper 80s.

Mostly cloudy. A 50 percent chance of showers and thunderstorms in the evening. Lows in the lower 60s.

Sunny. Highs in the upper 80s.

Mostly clear. Lows in the lower 60s.

Sunny. Highs in the mid 90s.

Mostly clear. Lows in the mid 60s.

Sunny. Highs around 102.

Mostly clear. Lows in the upper 60s.

Sunny. Highs in the upper 90s.

Clear. Low temperature around 70F. Dew point will be around 49F with an average humidity of 34%. Winds will be 7 mph from the NE.

Sunny. High temperature around 95F. Dew point will be around 52F with an average humidity of 34%. Winds will be 7 mph from the N.

Clear. Low temperature around 68F. Dew point will be around 53F with an average humidity of 40%. Winds will be 7 mph from the NE.

Sunny. High temperature around 94F. Dew point will be around 54F with an average humidity of 38%. Winds will be 6 mph from the NE.

Mostly clear. Low temperature around 68F. Dew point will be around 53F with an average humidity of 42%. Winds will be 7 mph from the NE.