10-Day Weather Forecast - Piasa, IL

Sunny. Highs in the upper 70s. Southeast winds around 5 mph becoming south in the afternoon.

Mostly clear. Not as cool with lows in the upper 50s. South winds 5 to 10 mph.

Mostly sunny. Highs in the mid 80s. Southwest winds 10 to 15 mph becoming west 15 to 20 mph in the afternoon.

Partly cloudy. Much cooler with lows in the upper 30s.

Sunny. Much cooler with highs in the upper 50s.

Mostly clear in the evening then becoming mostly cloudy. Lows in the upper 30s.

Mostly cloudy. Highs in the lower 60s. Lows in the lower 40s.

Mostly cloudy. Highs in the lower 60s. Lows in the lower 40s.

Mostly cloudy. Highs in the lower 60s. Lows in the lower 40s.

Partly cloudy. Lows in the upper 40s.

Sunny. A slight chance of showers in the afternoon. Not as cool with highs in the mid 70s. Chance of rain 20 percent.

Mostly clear with a chance of rain. Chance of precipitation 35%. Low temperature around 44F. Dew point will be around 37F with an average humidity of 47%. Winds will be 10 mph from the N.

Partly cloudy with a slight chance of rain. Chance of precipitation 25%. High temperature around 51F. Dew point will be around 27F with an average humidity of 46%. Winds will be 8 mph from the NE.

Cloudy. Low temperature around 34F. Dew point will be around 25F with an average humidity of 55%. Winds will be 8 mph from the NE.

Cloudy. High temperature around 49F. Dew point will be around 26F with an average humidity of 53%. Winds will be 6 mph from the E.

Cloudy. Low temperature around 38F. Dew point will be around 30F with an average humidity of 61%. Winds will be 5 mph from the E.

Cloudy. High temperature around 57F. Dew point will be around 36F with an average humidity of 60%. Winds will be 5 mph from the SE.

Cloudy with a slight chance of rain. Chance of precipitation 25%. Low temperature around 45F. Dew point will be around 39F with an average humidity of 67%. Winds will be 4 mph from the E.