10-Day Weather Forecast - Saint Charles, IL

Cloudy. Near steady temperature in the upper 30s. Northeast winds 10 to 15 mph.

Cloudy. A chance of rain in the evening then rain after midnight. Near steady temperature in the upper 30s. Southeast winds around 10 mph. Chance of precipitation 90 percent.

Mostly cloudy. A chance of rain in the morning. Highs in the upper 40s. Southwest winds around 5 mph becoming northwest in the afternoon. Chance of precipitation 50 percent.

Cloudy. Lows in the mid 30s. Northwest winds around 5 mph becoming northeast after midnight.

Mostly cloudy. Highs in the upper 40s.

Cloudy. Near steady temperature in the lower 40s.

Mostly cloudy. A slight chance of rain in the morning then a chance of rain with a slight chance of snow in the afternoon. Breezy with highs in the lower 40s. Chance of precipitation 40 percent.

Partly cloudy. A chance of rain and snow in the evening. Blustery with lows around 10 above. Chance of precipitation 30 percent. Wind chill values as low as 10 below after midnight.

Partly cloudy in the morning then becoming mostly sunny. Blustery with highs in the lower 20s. Wind chill values as low as 10 below in the morning.

Mostly clear in the evening then becoming partly cloudy. Lows 10 to 15.

Mostly cloudy. Highs in the upper 20s.

Mostly cloudy. Lows 15 to 20.

Mostly cloudy. Highs in the upper 20s.

Mostly clear. Low temperature around 23F. Dew point will be around 18F with an average humidity of 71%. Winds will be 4 mph from the W.

Partly cloudy. High temperature around 31F. Dew point will be around 18F with an average humidity of 64%. Winds will be 2 mph from the SE.

Partly cloudy. Low temperature around 26F. Dew point will be around 20F with an average humidity of 72%. Winds will be 4 mph from the SE.

Mostly cloudy. High temperature around 34F. Dew point will be around 24F with an average humidity of 72%. Winds will be 6 mph from the SE.

Cloudy with a slight chance of rain-snow mix. Chance of precipitation 25%. Low temperature around 30F. Dew point will be around 28F with an average humidity of 82%. Winds will be 3 mph from the S.