10-Day Weather Forecast - Crystal Lake, IL

Mostly cloudy in the morning then clearing. Highs in the mid 60s. South winds 5 to 10 mph increasing to southwest 10 to 15 mph in the afternoon.

Partly cloudy in the evening then becoming mostly cloudy. Lows in the upper 40s. Southwest winds around 10 mph.

Mostly cloudy. A slight chance of showers. Highs in the upper 50s. Temperature falling into the mid 40s in the afternoon. Northeast winds 10 to 15 mph increasing to north 15 to 20 mph in the afternoon. Chance of precipitation 20 percent.

Mostly cloudy in the evening then becoming partly cloudy. Lows around 30.

Partly cloudy. Highs in the upper 40s.

Partly cloudy in the evening then becoming mostly cloudy. Lows in the lower 30s.

Mostly cloudy. Highs in the mid 50s.

Mostly cloudy. Lows in the mid 30s.

Mostly cloudy in the morning then becoming partly cloudy. Highs in the lower 50s.

Mostly cloudy in the evening then becoming partly cloudy. Lows around 40.

Partly cloudy in the morning then becoming mostly cloudy. Highs in the upper 50s.

Partly cloudy with a slight chance of rain-snow mix. Chance of precipitation 25%. Low temperature around 29F. Dew point will be around 30F with an average humidity of 54%. Winds will be 11 mph from the N.

Mostly cloudy. High temperature around 38F. Dew point will be around 19F with an average humidity of 53%. Winds will be 9 mph from the N.

Partly cloudy. Low temperature around 26F. Dew point will be around 17F with an average humidity of 59%. Winds will be 2 mph from the NE.

Partly cloudy. High temperature around 44F. Dew point will be around 20F with an average humidity of 49%. Winds will be 2 mph from the S.

Partly cloudy. Low temperature around 30F. Dew point will be around 22F with an average humidity of 60%. Winds will be 2 mph from the SW.

Mostly cloudy. High temperature around 45F. Dew point will be around 27F with an average humidity of 59%. Winds will be 2 mph from the E.

Cloudy. Low temperature around 34F. Dew point will be around 28F with an average humidity of 69%. Winds will be 3 mph from the E.