10-Day Weather Forecast - Summit, SD

Partly sunny in the morning, then becoming mostly cloudy. Cooler with highs around 50. North winds around 5 mph.

Cloudy with a 50 percent chance of rain. Lows in the mid 30s. Northeast winds 5 to 10 mph.

Mostly cloudy with a 50 percent chance of rain. Highs in the mid 40s.

Mostly cloudy with a 50 percent chance of rain. Lows in the lower 30s.

Mostly cloudy with a slight chance of rain in the morning, then partly sunny in the afternoon. Highs in the lower 50s. Chance of rain 20 percent.

Mostly cloudy. A slight chance of rain in the evening, then a chance of rain after midnight. Lows in the upper 30s. Chance of rain 30 percent.

Partly sunny. A slight chance of rain in the morning. Highs in the upper 50s. Chance of rain 20 percent.

Partly cloudy. Lows in the mid 30s.

Partly cloudy. Highs in the lower 50s.

Partly cloudy. Lows in the mid 30s.

Mostly cloudy in the morning, then partly sunny with a slight chance of rain in the afternoon. Highs in the lower 50s. Chance of rain 20 percent.

Partly cloudy. Low temperature around 50F. Dew point will be around 51F with an average humidity of 93%. Winds will be 8 mph from the SSW.

Partly cloudy. High temperature around 68F. Dew point will be around 59F with an average humidity of 82%. Winds will be 10 mph from the SSW.

Partly cloudy. Low temperature around 59F. Dew point will be around 58F with an average humidity of 89%. Winds will be 15 mph from the SSW.

Cloudy. High temperature around 66F. Dew point will be around 59F with an average humidity of 83%. Winds will be 18 mph from the SSW.

Cloudy. Low temperature around 51F. Dew point will be around 49F with an average humidity of 92%. Winds will be 12 mph from the W.