10-Day Weather Forecast - Saint Charles, MO

Mostly cloudy with a chance of snow with a slight chance of freezing drizzle in the morning then partly sunny in the afternoon. Highs in the mid 30s. North winds 5 to 10 mph. Chance of precipitation 30 percent.

Mostly cloudy. Cooler with lows around 19. North winds around 5 mph.

Mostly sunny. Highs in the lower 30s. North winds around 5 mph.

Mostly clear in the evening then becoming partly cloudy. Lows around 15. West winds around 5 mph.

Partly sunny. Highs around 40.

Mostly clear. Not as cool with lows in the lower 30s.

Mostly sunny. Highs in the upper 40s.

Mostly clear. Lows in the lower 20s.

Partly cloudy. Highs in the upper 30s. Lows in the mid 20s.

Partly cloudy. Highs in the upper 30s. Lows in the mid 20s.

Partly cloudy. Highs in the mid 40s. Lows in the mid 20s.

Partly cloudy. Highs in the mid 40s. Lows in the mid 20s.

Partly cloudy. Highs in the mid 40s. Lows in the mid 20s.

Clear. Low temperature around 31F. Dew point will be around 22F with an average humidity of 60%. Winds will be 6 mph from the SE.

Mostly sunny. High temperature around 45F. Dew point will be around 24F with an average humidity of 51%. Winds will be 7 mph from the SE.

Partly cloudy with a slight chance of rain. Chance of precipitation 25%. Low temperature around 38F. Dew point will be around 30F with an average humidity of 67%. Winds will be 7 mph from the SE.

Cloudy with a chance of rain. Chance of precipitation 35%. High temperature around 49F. Dew point will be around 34F with an average humidity of 64%. Winds will be 9 mph from the SE.

Cloudy with a chance of rain. Chance of precipitation 40%. Low temperature around 44F. Dew point will be around 39F with an average humidity of 74%. Winds will be 6 mph from the S.