10-Day Weather Forecast - Madison, IL

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

Mostly clear. Lows in the upper 70s. South winds around 5 mph in the evening, becoming light and variable. Heat index values up to 105 early in the evening.

Sunny, hot with highs in the upper 90s. West winds around 5 mph. Heat index values up to 106.

Mostly clear. Lows in the lower 70s. Northeast winds around 5 mph. Heat index values up to 102 early in the evening.

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

Mostly clear. Hot. Lows in the upper 60s. Heat index values up to 100.

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

Mostly clear. Hot. Lows in the upper 60s. Heat index values up to 100.

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

Mostly clear. Hot. Lows in the mid 70s. Heat index values up to 105.

Mostly clear. Hot. Highs in the upper 90s. Heat index values up to 105.

Partly cloudy in the evening, then mostly clear with a slight chance of showers and thunderstorms after midnight. Lows in the mid 70s. Chance of rain 20 percent. Heat index values up to 100 early in the evening.

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

Clear. Low temperature around 79F. Dew point will be around 70F with an average humidity of 64%. Winds will be 3 mph from the SW.

Mostly sunny. High temperature around 94F. Dew point will be around 70F with an average humidity of 56%. Winds will be 3 mph from the SW.

Clear. Low temperature around 74F. Dew point will be around 69F with an average humidity of 70%. Winds will be 2 mph from the S.

Sunny. High temperature around 92F. Dew point will be around 70F with an average humidity of 61%. Winds will be 4 mph from the S.

Clear. Low temperature around 74F. Dew point will be around 68F with an average humidity of 67%. Winds will be 2 mph from the SE.