10-Day Weather Forecast - Charleston, IL

Sunny with highs in the upper 80s. West winds 5 to 10 mph with gusts up to 20 mph. Heat index values up to 100.

Partly cloudy in the evening then becoming mostly cloudy. A chance of showers. A chance of thunderstorms mainly in the evening. Humid with lows in the upper 60s. West winds 5 to 10 mph becoming north after midnight. Chance of rain 50 percent.

Partly sunny in the morning then clearing. Highs in the mid 80s. Northeast winds around 5 mph.

Mostly clear. Lows in the mid 60s. East winds around 5 mph.

Sunny. Highs in the upper 80s.

Partly cloudy. A chance of showers and thunderstorms after midnight. Lows in the lower 70s. Chance of rain 40 percent.

Mostly sunny. Highs in the lower 90s. Heat index values up to 100.

Mostly clear. Lows in the lower 60s. Highs around 80.

Mostly clear. Lows in the lower 60s. Highs around 80.

Mostly clear. Lows in the upper 50s. Highs around 80.

Mostly clear. Lows in the upper 50s. Highs around 80.

Partly cloudy. Lows in the upper 50s. Highs in the lower 80s.

Partly cloudy. Lows in the upper 50s. Highs in the lower 80s.

Mostly clear with a slight chance of rain. Chance of precipitation 25%. Low temperature around 68F. Dew point will be around 65F with an average humidity of 82%. Winds will be 2 mph from the SE.

Sunny with a 35% chance for rain and thunderstorms. High temperature around 82F. Dew point will be around 68F with an average humidity of 75%. Winds will be 1 mph from the SW.

Clear with a 35% chance for rain and thunderstorms. Low temperature around 68F. Dew point will be around 67F with an average humidity of 82%. Winds will be 2 mph from the SE.

Mostly sunny with a 30% chance for rain and thunderstorms. High temperature around 82F. Dew point will be around 68F with an average humidity of 74%. Winds will be 1 mph from the SE.

Mostly clear with scattered thunderstorms. Chance of storms 35%. Low temperature around 67F. Dew point will be around 67F with an average humidity of 80%. Winds will be 1 mph from the NE.