10-Day Weather Forecast - Saint Charles, SD

Mostly cloudy in the morning then becoming partly sunny. Areas of fog in the morning. Highs in the upper 50s. South winds 15 to 20 mph with gusts up to 30 mph.

Partly cloudy in the evening then clearing. Lows in the mid 30s. West winds 10 to 15 mph with gusts up to 25 mph.

Mostly sunny. Highs around 60. Southwest winds 10 to 15 mph with gusts up to 25 mph.

Mostly cloudy in the evening then becoming partly cloudy. Lows in the upper 30s. Southwest winds 5 to 10 mph with gusts up to 20 mph.

Mostly sunny. Highs in the upper 50s.

Mostly cloudy. A slight chance of snow after midnight. Windy and much cooler with lows around 15. Chance of snow 20 percent.

Partly sunny in the morning then clearing. Windy and much cooler with highs in the lower 20s.

Mostly clear. Cold with lows 5 to 10 above.

Sunny. Highs in the upper 20s.

Partly cloudy in the evening then becoming mostly cloudy. Not as cool with lows 15 to 20. Temperature rising into the lower 20s after midnight.

Mostly sunny and breezy. Not as cool with highs in the mid 40s.

Partly cloudy in the evening then becoming mostly cloudy. Lows around 20.

Mostly cloudy. Highs in the upper 30s.

Clear. Low temperature around 26F. Dew point will be around 20F with an average humidity of 69%. Winds will be 3 mph from the SW.

Partly cloudy. High temperature around 36F. Dew point will be around 21F with an average humidity of 63%. Winds will be 4 mph from the SW.

Partly cloudy. Low temperature around 27F. Dew point will be around 22F with an average humidity of 73%. Winds will be 2 mph from the SW.

Partly cloudy. High temperature around 33F. Dew point will be around 23F with an average humidity of 72%. Winds will be 6 mph from the NW.

Mostly cloudy. Low temperature around 23F. Dew point will be around 20F with an average humidity of 76%. Winds will be 6 mph from the NW.