10-Day Weather Forecast - Round Lake Beach, IL

Mostly sunny. Highs in the upper 80s. Southwest winds 5 to 10 mph.

Partly cloudy in the evening then becoming mostly cloudy. A slight chance of showers and thunderstorms late. Lows around 70. 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 lower 80s. West winds 5 to 10 mph. Chance of precipitation 60 percent.

Mostly cloudy. A chance of showers and thunderstorms in the evening then a slight chance of showers after midnight. Lows in the mid 60s. North winds around 5 mph. Chance of precipitation 50 percent.

Mostly cloudy in the morning then becoming partly cloudy. Highs around 80 inland but only in the lower 70s near the lake. Northeast winds 5 to 10 mph.

Mostly cloudy in the evening then becoming partly cloudy. Lows in the mid 60s.

Partly cloudy. Highs in the lower 80s inland but only in the upper 70s near the lake.

Partly cloudy. Lows in the mid 60s.

Mostly sunny. Highs in the mid 80s.

Clear. Lows in the upper 60s.

Mostly sunny. Highs in the upper 80s.

Mostly clear. Lows around 70.

Mostly sunny in the morning then becoming partly cloudy. Highs around 90.

Clear. Low temperature around 68F. Dew point will be around 64F with an average humidity of 75%. Winds will be 3 mph from the NW.

Mostly sunny with widely scattered thunderstorms. Chance of storms 25%. High temperature around 83F. Dew point will be around 63F with an average humidity of 62%. Winds will be 3 mph from the NW.

Mostly clear with a 30% chance for rain and thunderstorms. Low temperature around 67F. Dew point will be around 62F with an average humidity of 72%. Winds will be 2 mph from the NW.

Sunny. High temperature around 82F. Dew point will be around 62F with an average humidity of 62%. Winds will be 3 mph from the NW.

Clear. Low temperature around 65F. Dew point will be around 60F with an average humidity of 72%. Winds will be 2 mph from the W.