10-Day Weather Forecast - Saint Charles, MO

Sunny. Highs in the mid 80s. West winds 10 to 15 mph.

Partly cloudy in the evening then clearing. Lows around 50. North winds 5 to 10 mph becoming northeast after midnight.

Sunny. Highs around 80. East winds around 5 mph becoming south in the afternoon.

Clear. Not as cool with lows in the lower 60s. South winds 5 to 10 mph.

Mostly sunny. Highs in the upper 80s. South winds 10 to 15 mph becoming west in the afternoon.

Partly cloudy. A slight chance of showers in the evening. Much cooler with lows in the lower 40s. Chance of rain 20 percent.

Partly cloudy. Highs in the upper 50s. Lows around 40.

Partly cloudy. Highs in the upper 50s. Lows around 40.

Mostly cloudy. Highs in the lower 60s. Lows in the lower 40s.

Mostly cloudy. Highs in the lower 60s. Lows in the lower 40s.

Partly sunny. Highs in the mid 60s.

Partly cloudy. Lows in the lower 50s.

Sunny. A slight chance of showers in the afternoon. Not as cool with highs in the upper 70s. Chance of rain 20 percent.

Mostly clear with a chance of rain. Chance of precipitation 35%. Low temperature around 46F. Dew point will be around 38F with an average humidity of 46%. Winds will be 6 mph from the N.

Mostly sunny. High temperature around 55F. Dew point will be around 27F with an average humidity of 41%. Winds will be 9 mph from the N.

Clear. Low temperature around 37F. Dew point will be around 24F with an average humidity of 42%. Winds will be 4 mph from the NE.

Sunny. High temperature around 55F. Dew point will be around 26F with an average humidity of 43%. Winds will be 5 mph from the SE.

Partly cloudy. Low temperature around 42F. Dew point will be around 30F with an average humidity of 49%. Winds will be 3 mph from the SE.