10-Day Weather Forecast - Crystal Lake, IA

Mostly sunny after midnight then becoming mostly cloudy. A chance of showers and thunderstorms this afternoon. Humid with highs in the mid 80s. Southwest winds 10 to 15 mph. Chance of rain 50 percent.

Mostly cloudy with a chance of thunderstorms. Showers likely mainly in the evening. Humid with lows in the mid 60s. Southwest winds 5 to 10 mph becoming west after midnight. Chance of rain 60 percent.

Mostly cloudy in the morning then becoming mostly sunny. Humid with highs in the lower 80s. North winds around 5 mph.

Partly cloudy. Humid with lows in the lower 60s. Northeast winds around 5 mph.

Mostly sunny. Humid with highs in the lower 80s. East winds around 5 mph.

Partly cloudy. Lows in the mid 60s.

Sunny. Highs in the mid 80s.

Mostly clear. Lows in the mid 60s.

Sunny. Highs in the upper 80s.

Clear. Lows in the mid 60s.

Sunny. Highs around 90.

Mostly clear. Lows in the upper 60s.

Sunny. Highs around 90.

Clear. Low temperature around 67F. Dew point will be around 67F with an average humidity of 78%. Winds will be 2 mph from the S.

Mostly sunny with widely scattered thunderstorms. Chance of storms 25%. High temperature around 83F. Dew point will be around 66F with an average humidity of 70%. Winds will be 2 mph from the S.

Clear with widely scattered thunderstorms. Chance of storms 25%. Low temperature around 66F. Dew point will be around 66F with an average humidity of 78%. Winds will be 3 mph from the S.

Sunny with a 25% chance for rain and thunderstorms. High temperature around 80F. Dew point will be around 65F with an average humidity of 72%. Winds will be 3 mph from the S.

Clear with a 25% chance for rain and thunderstorms. Low temperature around 65F. Dew point will be around 64F with an average humidity of 77%. Winds will be 3 mph from the S.