10-Day Weather Forecast - Fayetteville, IL

Partly sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the lower 80s. South winds around 5 mph. Chance of rain 20 percent.

Partly cloudy. A slight chance of showers and thunderstorms in the evening then a chance of showers after midnight. Lows in the mid 60s. Southwest winds around 5 mph in the evening becoming light and variable. Chance of rain 50 percent.

Partly sunny. Patchy fog in the morning. A slight chance of showers in the morning then showers and thunderstorms likely in the afternoon. Highs in the mid 80s. South winds around 5 mph. Chance of rain 70 percent.

Showers with a chance of thunderstorms in the evening then showers with a slight chance of thunderstorms after midnight. Locally heavy rainfall possible in the evening. Lows in the upper 60s. East winds around 5 mph. Chance of rain 90 percent.

Showers with a chance of thunderstorms in the morning then showers and thunderstorms likely in the afternoon. Highs in the lower 80s. Chance of rain 90 percent.

A chance of thunderstorms. Showers likely. Lows in the lower 70s. Chance of rain 70 percent.

Partly sunny with a chance of showers. A slight chance of thunderstorms in the morning then a chance of thunderstorms in the afternoon. Highs in the upper 80s. Chance of rain 50 percent. Heat index values up to 105 in the afternoon.

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

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

Mostly clear. Hot. Lows in the upper 70s. Highs in the mid 90s. Heat index values up to 115.

Mostly clear. Hot. Lows in the upper 70s. Highs in the mid 90s. Heat index values up to 115.

Mostly clear. Hot. Lows in the upper 70s. Highs in the mid 90s. Heat index values up to 115.

Sunny. A slight chance of showers and thunderstorms in the afternoon. Hot with highs in the upper 90s. Chance of rain 20 percent. Heat index values up to 110.

Clear. Low temperature around 77F. Dew point will be around 74F with an average humidity of 75%. Winds will be 4 mph from the SE.

Sunny. High temperature around 92F. Dew point will be around 75F with an average humidity of 69%. Winds will be 4 mph from the S.

Clear. Low temperature around 77F. Dew point will be around 74F with an average humidity of 77%. Winds will be 4 mph from the SE.

Sunny with widely scattered thunderstorms. Chance of storms 25%. High temperature around 92F. Dew point will be around 75F with an average humidity of 69%. Winds will be 3 mph from the S.

Clear with widely scattered thunderstorms. Chance of storms 25%. Low temperature around 77F. Dew point will be around 74F with an average humidity of 77%. Winds will be 3 mph from the S.