10-Day Weather Forecast - Crystal Lake, IL

Mostly cloudy. A slight chance of snow in the afternoon. Highs around 18. West winds 5 to 10 mph. Chance of precipitation 20 percent.

Mostly cloudy in the evening then becoming partly cloudy. Lows around 12. West winds around 5 mph.

Partly cloudy in the morning then becoming mostly sunny. Highs in the mid 20s. Northwest winds around 5 mph.

Partly cloudy in the evening then becoming mostly cloudy. Lows around 14. North winds around 5 mph.

Mostly cloudy. Highs in the upper 20s.

Partly cloudy in the evening then becoming mostly clear. Lows around 10 above.

Partly cloudy in the morning then becoming mostly cloudy. Highs in the upper 20s.

Mostly cloudy in the evening then becoming partly cloudy. Lows in the lower 20s.

Partly cloudy in the morning then becoming mostly cloudy. Highs in the upper 30s.

Mostly cloudy. Lows in the upper 20s.

Mostly cloudy. Highs around 40.

Mostly cloudy. Lows in the mid 20s.

Mostly cloudy. Highs in the mid 30s.

Mostly clear. Low temperature around 29F. Dew point will be around 24F with an average humidity of 75%. Winds will be 1 mph from the W.

Mostly cloudy. High temperature around 35F. Dew point will be around 24F with an average humidity of 70%. Winds will be 2 mph from the N.

Partly cloudy with a slight chance of snow. Chance of precipitation 25%. Low temperature around 27F. Dew point will be around 21F with an average humidity of 71%. Winds will be 2 mph from the NE.

Cloudy with a chance of rain-snow mix. Chance of precipitation 40%. High temperature around 35F. Dew point will be around 24F with an average humidity of 68%. Winds will be 3 mph from the E.

Cloudy with a chance of rain-snow mix. Chance of precipitation 40%. Low temperature around 31F. Dew point will be around 25F with an average humidity of 74%. Winds will be 4 mph from the SE.