10-Day Weather Forecast - Glen Carbon, IL

Mostly sunny. Highs in the upper 60s. Northwest winds 5 to 10 mph.

A slight chance of thunderstorms in the evening. Mostly cloudy with a slight chance of showers. Lows in the mid 40s. North winds around 5 mph. Chance of rain 20 percent.

Mostly sunny. Highs in the lower 60s. North winds 5 to 10 mph.

Partly cloudy in the evening then clearing. Lows around 40.

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

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

Sunny. Highs in the lower 70s.

Partly cloudy with a 20 percent chance of showers. Lows in the lower 50s.

Mostly sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the mid 70s. Chance of rain 20 percent.

A slight chance of thunderstorms in the evening. Mostly clear with a slight chance of showers. Lows in the lower 50s. Chance of rain 20 percent.

Mostly sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the upper 70s. Chance of rain 20 percent.

Partly cloudy with a 45% chance for rain and thunderstorms. Low temperature around 58F. Dew point will be around 60F with an average humidity of 87%. Winds will be 5 mph from the S.

Mostly cloudy with a 50% chance for rain and thunderstorms. High temperature around 77F. Dew point will be around 59F with an average humidity of 68%. Winds will be 9 mph from the S.

Mostly clear with a 50% chance for rain and thunderstorms. Low temperature around 59F. Dew point will be around 59F with an average humidity of 82%. Winds will be 4 mph from the SW.

Sunny with a chance of rain. Chance of precipitation 35%. High temperature around 73F. Dew point will be around 56F with an average humidity of 67%. Winds will be 5 mph from the W.

Mostly clear with a slight chance of rain. Chance of precipitation 25%. Low temperature around 53F. Dew point will be around 52F with an average humidity of 77%. Winds will be 2 mph from the W.

Sunny. High temperature around 68F. Dew point will be around 49F with an average humidity of 60%. Winds will be 2 mph from the W.

Mostly clear. Low temperature around 50F. Dew point will be around 48F with an average humidity of 73%. Winds will be 1 mph from the NW.