10-Day Weather Forecast - Glen Carbon, IL

Mostly sunny in the morning then becoming mostly cloudy. Highs in the upper 40s. Northwest winds 15 to 20 mph with gusts up to 35 mph.

Partly cloudy. Lows in the lower 20s. North winds 10 to 15 mph. Gusts up to 30 mph in the evening.

Sunny cooler with highs in the mid 30s. Northeast winds around 5 mph becoming southeast in the afternoon.

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

Mostly sunny. Not as cool with highs in the lower 50s.

Mostly clear. Lows around 30. Highs in the upper 50s.

Mostly clear. Lows around 30. Highs in the upper 50s.

Mostly clear. Not as cool with lows around 40.

Mostly sunny in the morning then mostly cloudy with a slight chance of rain in the afternoon. Highs in the mid 60s. Chance of rain 20 percent.

Cloudy with a 40 percent chance of rain. Lows in the lower 40s.

Mostly cloudy. A chance of rain mainly in the morning. Highs in the mid 50s. Chance of rain 40 percent.

Partly cloudy with a slight chance of rain. Chance of precipitation 25%. Low temperature around 39F. Dew point will be around 36F with an average humidity of 80%. Winds will be 5 mph from the NW.

Cloudy with a chance of rain. Chance of precipitation 35%. High temperature around 53F. Dew point will be around 40F with an average humidity of 73%. Winds will be 3 mph from the N.

Cloudy with a chance of rain. Chance of precipitation 50%. Low temperature around 40F. Dew point will be around 39F with an average humidity of 81%. Winds will be 2 mph from the NE.

Cloudy with a chance of rain. Chance of precipitation 35%. High temperature around 49F. Dew point will be around 38F with an average humidity of 76%. Winds will be 3 mph from the N.

Cloudy with a slight chance of rain. Chance of precipitation 30%. Low temperature around 37F. Dew point will be around 36F with an average humidity of 85%. Winds will be 3 mph from the N.

Cloudy with a slight chance of rain. Chance of precipitation 30%. High temperature around 48F. Dew point will be around 37F with an average humidity of 76%. Winds will be 6 mph from the NW.

Mostly cloudy. Low temperature around 33F. Dew point will be around 33F with an average humidity of 81%. Winds will be 7 mph from the NW.