10-Day Weather Forecast - Saint Charles, SD

Mostly cloudy this morning then becoming mostly sunny. Highs in the upper 30s. Southeast winds 15 to 20 mph with gusts up to 30 mph.

Partly cloudy in the evening then becoming mostly cloudy. Not as cool with lows in the mid 20s. South winds 15 to 20 mph with gusts up to 30 mph.

Mostly cloudy. A slight chance of rain in the afternoon. Not as cool with highs around 50. South winds 15 to 20 mph. Chance of rain 20 percent.

Mostly cloudy with a 20 percent chance of rain. Lows in the lower 30s. Southeast winds 10 to 15 mph.

Mostly cloudy. A slight chance of rain in the morning. Highs around 50. Southeast winds 5 to 10 mph becoming northeast in the afternoon. Chance of rain 20 percent.

Partly cloudy. Lows in the lower 30s.

Sunny. Not as cool with highs in the lower 60s.

Mostly clear. Lows around 40.

Sunny in the morning then becoming partly sunny. Highs in the upper 60s.

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

Mostly cloudy with a 30 percent chance of rain. Much cooler with highs in the lower 50s.

Mostly cloudy with a slight chance of rain and snow in the evening then partly cloudy after midnight. Lows in the upper 20s. Chance of precipitation 20 percent.

Sunny. Highs in the mid 50s.

Clear. Low temperature around 35F. Dew point will be around 22F with an average humidity of 49%. Winds will be 6 mph from the SW.

Mostly sunny. High temperature around 54F. Dew point will be around 25F with an average humidity of 43%. Winds will be 8 mph from the SW.

Mostly cloudy. Low temperature around 35F. Dew point will be around 26F with an average humidity of 53%. Winds will be 3 mph from the SW.

Cloudy with a slight chance of rain. Chance of precipitation 30%. High temperature around 44F. Dew point will be around 26F with an average humidity of 55%. Winds will be 4 mph from the W.

Cloudy with a chance of rain-snow mix. Chance of precipitation 35%. Low temperature around 22F. Dew point will be around 19F with an average humidity of 64%. Winds will be 7 mph from the N.