10-Day Weather Forecast - Prairie du Rocher, IL

Mostly sunny. A slight chance of showers and thunderstorms in the afternoon. Humid with highs in the upper 80s. Light and variable winds. Chance of rain 20 percent.

Mostly clear. Lows in the upper 60s. South winds around 5 mph.

Sunny. A slight chance of showers and thunderstorms in the afternoon. Humid with highs in the lower 90s. Southwest winds around 5 mph. Chance of rain 20 percent. Heat index values up to 103.

Partly cloudy in the evening then becoming mostly cloudy. A chance of thunderstorms. A chance of showers in the evening then showers likely after midnight. Humid with lows in the lower 70s. South winds 5 to 10 mph. Chance of rain 70 percent. Heat index values up to 101 early in the evening.

A chance of thunderstorms. A chance of showers in the morning then showers likely in the afternoon. Highs around 90. Chance of rain 70 percent. Heat index values up to 105 in the afternoon.

A chance of thunderstorms. Showers. Lows in the lower 70s. Chance of rain 80 percent.

Mostly cloudy. A chance of showers and thunderstorms. Highs in the upper 80s. Lows in the upper 60s. Chance of rain 50 percent.

Mostly cloudy. A chance of showers and thunderstorms. Highs in the upper 80s. Lows in the upper 60s. Chance of rain 50 percent.

Mostly sunny with a chance of showers. A chance of thunderstorms in the afternoon. Highs in the upper 80s. Chance of rain 40 percent.

Partly cloudy with a slight chance of showers and thunderstorms in the evening then mostly clear after midnight. Lows in the upper 60s. Chance of rain 20 percent.

Mostly clear. Highs around 90. Lows in the upper 60s. Heat index values up to 100.

Mostly clear. Highs around 90. Lows in the upper 60s. Heat index values up to 100.

Mostly clear. Highs around 90. Lows in the upper 60s. Heat index values up to 100.

Clear. Low temperature around 71F. Dew point will be around 73F with an average humidity of 93%. Winds will be 3 mph from the E.

Sunny. High temperature around 87F. Dew point will be around 73F with an average humidity of 77%. Winds will be 4 mph from the E.

Clear. Low temperature around 70F. Dew point will be around 72F with an average humidity of 93%. Winds will be 3 mph from the E.

Sunny with widely scattered thunderstorms. Chance of storms 30%. High temperature around 85F. Dew point will be around 73F with an average humidity of 78%. Winds will be 2 mph from the E.

Clear with a 35% chance for rain and thunderstorms. Low temperature around 68F. Dew point will be around 71F with an average humidity of 92%. Winds will be 2 mph from the E.