10-Day Weather Forecast - Fayetteville, IL

Mostly sunny. A slight chance of showers and thunderstorms in the afternoon. Hot with highs in the mid 90s. Southwest winds 5 to 10 mph. Chance of rain 20 percent. Heat index values up to 111.

Partly cloudy with a slight chance of showers and thunderstorms in the evening, then mostly cloudy with a chance of showers and thunderstorms after midnight. Humid with lows in the mid 70s. Southeast winds around 5 mph. Chance of rain 40 percent. Heat index values up to 109 early in the evening.

Mostly sunny. A slight chance of showers and thunderstorms in the morning. Hot with highs in the mid 90s. South winds 5 to 10 mph. Chance of rain 20 percent. Heat index values up to 108 in the afternoon.

Partly cloudy. Humid with lows in the upper 70s. South winds around 5 mph. Heat index values up to 103 early in the evening.

Mostly sunny. Hot with highs in the upper 90s. Heat index values up to 110 in the afternoon.

Mostly clear. Hot. Lows in the upper 70s. Heat index values up to 110.

Mostly clear. Hot. Highs in the upper 90s. Heat index values up to 110.

Mostly clear. Hot. Lows in the upper 70s. Heat index values up to 110.

Mostly clear. Hot. Highs in the upper 90s. Heat index values up to 110.

Mostly clear in the evening, then partly cloudy 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 105 early in the evening.

Mostly sunny with a slight chance of thunderstorms. A chance of showers, mainly in the morning. Highs in the upper 80s. Chance of rain 30 percent.

Partly cloudy. Lows in the upper 60s.

Partly cloudy. Highs in the upper 80s.

Clear with widely scattered thunderstorms. Chance of storms 25%. Low temperature around 75F. Dew point will be around 72F with an average humidity of 73%. Winds will be 5 mph from the S.

Sunny with widely scattered thunderstorms. Chance of storms 25%. High temperature around 94F. Dew point will be around 71F with an average humidity of 61%. Winds will be 4 mph from the SW.

Clear with widely scattered thunderstorms. Chance of storms 25%. Low temperature around 74F. Dew point will be around 71F with an average humidity of 70%. Winds will be 2 mph from the SE.

Sunny. High temperature around 91F. Dew point will be around 69F with an average humidity of 61%. Winds will be 1 mph from the NW.

Clear. Low temperature around 70F. Dew point will be around 68F with an average humidity of 73%. Winds will be 2 mph from the E.