10-Day Weather Forecast - Mendon, IL

Sunny, hot with highs in the upper 90s. Southwest winds 5 to 10 mph. Heat index values up to 105.

Mostly clear. A slight chance of showers and thunderstorms after midnight. Lows in the mid 70s. Southwest winds around 5 mph in the evening, becoming light and variable. Chance of rain 20 percent. Heat index values up to 103 early in the evening.

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 105.

Mostly clear. Lows in the lower 70s. Northeast winds around 5 mph. Heat index values up to 100 early in the evening.

Mostly clear. Highs in the lower 90s.

Mostly clear. Lows in the upper 60s.

Mostly clear. Highs in the lower 90s.

Mostly clear. Lows in the upper 60s.

Mostly clear. Hot. Highs in the upper 90s. Heat index values up to 100.

Mostly clear. Hot. Lows in the mid 70s. Heat index values up to 100.

Mostly sunny. Hot with highs in the upper 90s.

Mostly clear in the evening, then partly cloudy with a chance of showers and thunderstorms after midnight. Lows in the lower 70s. Chance of rain 30 percent.

Mostly sunny with a slight chance of showers and thunderstorms. Highs in the lower 90s. Chance of rain 20 percent.

Mostly clear. Low temperature around 71F. Dew point will be around 67F with an average humidity of 72%. Winds will be 2 mph from the SE.

Sunny. High temperature around 85F. Dew point will be around 67F with an average humidity of 69%. Winds will be 2 mph from the SE.

Mostly clear. Low temperature around 68F. Dew point will be around 66F with an average humidity of 74%. Winds will be 5 mph from the SE.

Sunny. High temperature around 86F. Dew point will be around 67F with an average humidity of 68%. Winds will be 5 mph from the S.

Clear with a slight chance of rain. Chance of precipitation 30%. Low temperature around 67F. Dew point will be around 66F with an average humidity of 74%. Winds will be 4 mph from the SE.