10-Day Weather Forecast - Glen Carbon, IL

Partly sunny in the morning then becoming mostly cloudy. Patchy fog in the morning. Highs in the lower 60s. Southeast winds 5 to 10 mph.

Cloudy. A slight chance of rain and thunderstorms after midnight. Not as cool. Near steady temperature in the lower 60s. South winds 5 to 10 mph with gusts up to 20 mph. Chance of rain 20 percent.

Cloudy with a slight chance of thunderstorms. A chance of rain in the morning then rain in the afternoon. Highs in the lower 70s. Temperature falling into the mid 60s in the afternoon. Southwest winds 15 to 20 mph. Chance of rain 90 percent.

Mostly cloudy with rain likely in the evening then partly cloudy after midnight. Breezy and much cooler. Less humid with lows around 20. Northwest winds 15 to 25 mph with gusts up to 35 mph. Chance of rain 70 percent. Wind chill values as low as 5 above after midnight.

Mostly sunny and brisk. Much cooler with highs in the upper 20s. Wind chill values as low as 5 above.

Mostly clear. Lows around 20. Highs in the mid 30s.

Mostly clear. Lows around 20. Highs in the mid 30s.

Mostly clear in the evening then becoming partly cloudy. Lows in the upper 20s.

Mostly cloudy. Highs in the lower 40s. Lows around 20.

Mostly cloudy. Highs in the lower 40s. Lows around 20.

Partly cloudy. Highs in the lower 30s. Lows around 15.

Partly cloudy. Highs in the lower 30s. Lows around 15.

Partly cloudy. Highs in the lower 30s. Lows around 15.

Partly cloudy. Highs in the lower 30s. Lows around 15.

Partly cloudy. Highs in the lower 30s. Lows around 15.

Cloudy with a chance of rain. Chance of precipitation 40%. Low temperature around 32F. Dew point will be around 32F with an average humidity of 87%. Winds will be 3 mph from the E.

Cloudy with a chance of rain. Chance of precipitation 35%. High temperature around 38F. Dew point will be around 31F with an average humidity of 84%. Winds will be 3 mph from the NW.

Mostly cloudy with a slight chance of rain-snow mix. Chance of precipitation 30%. Low temperature around 28F. Dew point will be around 27F with an average humidity of 83%. Winds will be 2 mph from the NW.