10-Day Weather Forecast - Crystal Lake, IL

Mostly sunny in the morning then becoming partly cloudy. Highs in the mid 80s. Southwest winds 5 to 10 mph.

Partly cloudy in the evening then becoming mostly cloudy. A slight chance of showers late. Lows in the upper 60s. Southwest winds 5 to 10 mph. Chance of precipitation 20 percent.

Mostly cloudy. A chance of showers with a slight chance of thunderstorms in the morning then showers likely with a chance of thunderstorms in the afternoon. Humid with highs in the mid 80s. Southwest winds 5 to 10 mph. Chance of precipitation 70 percent.

Mostly cloudy. Showers likely with a chance of thunderstorms in the evening then a chance of showers after midnight. Lows in the mid 60s. Southwest winds around 5 mph becoming northeast after midnight. Chance of precipitation 70 percent.

Mostly cloudy. A slight chance of showers in the morning. Highs in the lower 80s. Chance of precipitation 20 percent.

Mostly cloudy. A slight chance of showers and thunderstorms in the evening. Lows in the lower 60s. Chance of precipitation 20 percent.

Partly cloudy. A slight chance of showers and thunderstorms in the afternoon. Highs in the lower 80s. Chance of precipitation 20 percent.

Partly cloudy in the evening then clearing. Lows in the lower 60s.

Mostly sunny. Highs in the mid 80s.

Clear. Lows in the mid 60s.

Mostly sunny. Highs in the upper 80s.

Mostly clear. Lows in the upper 60s.

Mostly sunny. Highs in the upper 80s.

Clear. Low temperature around 67F. Dew point will be around 64F with an average humidity of 75%. Winds will be 2 mph from the W.

Partly cloudy with widely scattered thunderstorms. Chance of storms 25%. High temperature around 82F. Dew point will be around 64F with an average humidity of 65%. Winds will be 2 mph from the NW.

Mostly clear with widely scattered thunderstorms. Chance of storms 25%. Low temperature around 65F. Dew point will be around 62F with an average humidity of 74%. Winds will be 1 mph from the W.

Sunny with a slight chance of rain. Chance of precipitation 25%. High temperature around 80F. Dew point will be around 62F with an average humidity of 65%. Winds will be 1 mph from the NW.

Clear with a slight chance of rain. Chance of precipitation 25%. Low temperature around 64F. Dew point will be around 60F with an average humidity of 73%. Winds will be 1 mph from the W.