10-Day Weather Forecast - Saint Charles, SD

Mostly sunny and very windy. Highs in the lower 90s. South winds 20 to 25 mph with gusts up to 35 mph increasing to 30 to 40 mph with gusts up to 50 mph in the afternoon.

Mostly cloudy with a chance of showers with a slight chance of thunderstorms. Windy with lows in the upper 50s. South winds 30 to 35 mph diminishing to 20 to 30 mph after midnight. Chance of rain 50 percent.

Mostly sunny and windy. Not as warm with highs in the lower 70s. West winds 20 to 30 mph. Gusts up to 45 mph in the afternoon.

Partly cloudy and windy. Much cooler with lows in the upper 30s.

Mostly sunny and breezy. Much cooler with highs in the upper 50s.

Mostly cloudy. Lows in the lower 30s.

Mostly cloudy in the morning then becoming partly sunny. Highs in the mid 50s.

Mostly cloudy in the evening then becoming partly cloudy. Lows in the lower 30s.

A chance of snow showers in the morning. Mostly cloudy with a chance of rain showers. Highs in the lower 50s. Chance of precipitation 50 percent.

Mostly cloudy with a chance of rain showers. A chance of snow showers after midnight. Lows in the mid 30s. Chance of precipitation 50 percent.

Mostly cloudy in the morning then becoming partly sunny. A 30 percent chance of rain showers. Highs in the mid 50s.

Partly cloudy with a slight chance of rain. Chance of precipitation 25%. Low temperature around 37F. Dew point will be around 31F with an average humidity of 65%. Winds will be 7 mph from the NW.

Mostly sunny. High temperature around 59F. Dew point will be around 33F with an average humidity of 55%. Winds will be 3 mph from the NW.

Partly cloudy. Low temperature around 40F. Dew point will be around 34F with an average humidity of 59%. Winds will be 4 mph from the E.

Cloudy with a slight chance of rain. Chance of precipitation 30%. High temperature around 57F. Dew point will be around 36F with an average humidity of 60%. Winds will be 4 mph from the NE.

Cloudy with a chance of rain. Chance of precipitation 35%. Low temperature around 38F. Dew point will be around 35F with an average humidity of 63%. Winds will be 6 mph from the NE.

Cloudy with a slight chance of rain. Chance of precipitation 25%. High temperature around 56F. Dew point will be around 35F with an average humidity of 62%. Winds will be 5 mph from the NE.

Partly cloudy. Low temperature around 38F. Dew point will be around 34F with an average humidity of 63%. Winds will be 4 mph from the NE.