10-Day Weather Forecast - Crystal Lake, IL

Partly cloudy. Highs around 80. Northeast winds 5 to 10 mph, becoming northwest in the afternoon.

Mostly clear in the evening, then becoming partly cloudy. Lows in the lower 60s. Southwest winds around 5 mph.

Mostly cloudy. A chance of showers with a slight chance of thunderstorms in the afternoon. Humid with highs in the lower 80s. Southwest winds 5 to 10 mph, increasing to west 10 to 15 mph in the afternoon. Chance of precipitation 50 percent.

Showers likely. A chance of thunderstorms, mainly in the evening. Lows in the lower 60s. Chance of precipitation 60 percent.

Mostly cloudy with a chance of showers in the morning, then partly cloudy in the afternoon. Highs in the mid 70s. Chance of precipitation 40 percent.

Partly cloudy in the evening, then clearing. Lows in the upper 50s.

Partly cloudy. Highs in the upper 70s.

Partly cloudy. Lows in the upper 50s.

Partly cloudy. Highs in the upper 70s.

Partly cloudy. Lows in the lower 60s.

Partly cloudy. Highs in the upper 70s.

Mostly clear. Low temperature around 65F. Dew point will be around 63F with an average humidity of 85%. Winds will be 3 mph from the W.

Partly cloudy. High temperature around 78F. Dew point will be around 65F with an average humidity of 74%. Winds will be 5 mph from the S.

Partly cloudy. Low temperature around 67F. Dew point will be around 65F with an average humidity of 84%. Winds will be 6 mph from the S.

Sunny. High temperature around 79F. Dew point will be around 67F with an average humidity of 76%. Winds will be 6 mph from the S.

Clear. Low temperature around 67F. Dew point will be around 67F with an average humidity of 86%. Winds will be 2 mph from the S.

Sunny. High temperature around 78F. Dew point will be around 66F with an average humidity of 75%. Winds will be 1 mph from the NE.

Clear. Low temperature around 65F. Dew point will be around 65F with an average humidity of 85%. Winds will be 2 mph from the NE.