10-Day Weather Forecast - Winchester, IL

Sunny, hot with highs in the upper 90s. Southwest winds around 5 mph. Heat index values up to 108.

Mostly clear in the evening, then partly cloudy with a slight chance of showers and thunderstorms after midnight. Humid with lows in the mid 70s. Southwest winds around 5 mph in the evening, becoming light and variable. Chance of rain 20 percent.

Sunny, hot with highs in the upper 90s. West winds around 5 mph, becoming northwest around 5 mph in the afternoon. Heat index values up to 107.

Mostly clear. Humid with lows around 70. Northeast winds around 5 mph.

Mostly clear. Highs in the lower 90s.

Mostly clear. Lows in the mid 60s.

Mostly clear. Highs in the lower 90s.

Mostly clear. Lows in the mid 60s.

Mostly clear. Hot. Highs in the upper 90s.

Mostly clear. Hot. Lows in the mid 70s.

Mostly clear. Hot. Highs in the upper 90s.

Mostly clear. Hot. Lows in the mid 70s.

Mostly sunny. Highs in the lower 90s.

Mostly clear. Low temperature around 71F. Dew point will be around 68F with an average humidity of 75%. Winds will be 2 mph from the S.

Sunny. High temperature around 92F. Dew point will be around 70F with an average humidity of 63%. Winds will be 2 mph from the S.

Clear. Low temperature around 67F. Dew point will be around 67F with an average humidity of 81%. Winds will be 4 mph from the SE.

Sunny. High temperature around 91F. Dew point will be around 70F with an average humidity of 66%. Winds will be 4 mph from the S.

Clear with a slight chance of rain. Chance of precipitation 25%. Low temperature around 67F. Dew point will be around 66F with an average humidity of 78%. Winds will be 4 mph from the SE.