10-Day Weather Forecast - Glen Carbon, IL

Sunny cooler with highs around 20. Northwest winds 15 to 20 mph with gusts up to 30 mph. Wind chill values as low as 10 below in the morning.

Mostly clear. Lows around 12. Southwest winds around 5 mph.

Mostly sunny. Not as cool with highs in the mid 30s. Southwest winds 5 to 10 mph. Wind chill values as low as 5 above in the morning.

Partly cloudy in the evening then becoming mostly cloudy. Not as cool with lows in the upper 20s. Temperature rising into the lower 30s after midnight. South winds 10 to 15 mph with gusts up to 25 mph.

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

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

Sunny cooler with highs in the mid 30s.

Partly cloudy in the evening then becoming mostly cloudy. Lows in the lower 20s.

Partly sunny in the morning then becoming mostly cloudy. Highs in the upper 30s.

Mostly cloudy with a 30 percent chance of snow. Lows around 15. Highs in the mid 20s. Wind chill values as low as zero.

Mostly cloudy with a 30 percent chance of snow. Lows around 15. Highs in the mid 20s. Wind chill values as low as zero.

Mostly cloudy. A chance of snow mainly in the evening. Cooler with lows around 5 above. Chance of snow 40 percent. Wind chill values as low as 10 below after midnight.

Mostly sunny. A slight chance of snow in the morning. Highs around 20. Chance of snow 20 percent. Wind chill values as low as 10 below in the morning.

Clear. Low temperature around 6F. Dew point will be around 1F with an average humidity of 72%. Winds will be 1 mph from the N.

Sunny. High temperature around 19F. Dew point will be around 6F with an average humidity of 66%. Winds will be 2 mph from the N.

Mostly clear. Low temperature around 9F. Dew point will be around 6F with an average humidity of 77%. Winds will be 1 mph from the E.

Partly cloudy. High temperature around 23F. Dew point will be around 10F with an average humidity of 70%. Winds will be 1 mph from the NE.

Mostly cloudy. Low temperature around 13F. Dew point will be around 11F with an average humidity of 79%. Winds will be 2 mph from the W.