10-Day Weather Forecast - Round Lake Heights, IL

Sunny. Highs in the upper 70s inland but only in the mid 70s near the lake. Northeast winds 5 to 10 mph.

Clear. Lows around 60. North winds 5 to 10 mph.

Sunny. Highs in the lower 80s inland but only in the mid 70s near the lake. North winds around 5 mph becoming northeast in the afternoon.

Mostly clear. Lows in the lower 60s. Northeast winds around 5 mph becoming southwest after midnight.

Partly cloudy. Highs in the mid 80s.

Partly cloudy in the evening then becoming mostly cloudy. A slight chance of thunderstorms. A slight chance of showers in the evening then a chance of showers after midnight. Lows in the upper 60s. Chance of precipitation 50 percent.

Mostly cloudy. A chance of showers in the morning then showers likely with a chance of thunderstorms in the afternoon. Highs in the lower 80s. Chance of precipitation 70 percent.

A chance of thunderstorms in the evening. Mostly cloudy with a chance of showers. Lows in the lower 60s. Chance of precipitation 50 percent.

Mostly cloudy. Highs around 80.

Partly cloudy. Lows in the lower 60s.

Partly cloudy. Highs in the lower 80s.

Partly cloudy. Lows in the lower 60s.

Partly cloudy. Highs in the mid 80s.

Clear. Low temperature around 68F. Dew point will be around 67F with an average humidity of 85%. Winds will be 4 mph from the W.

Sunny. High temperature around 83F. Dew point will be around 68F with an average humidity of 71%. Winds will be 3 mph from the W.

Clear. Low temperature around 68F. Dew point will be around 67F with an average humidity of 82%. Winds will be 3 mph from the W.

Sunny. High temperature around 83F. Dew point will be around 67F with an average humidity of 71%. Winds will be 4 mph from the W.

Clear. Low temperature around 67F. Dew point will be around 65F with an average humidity of 80%. Winds will be 4 mph from the W.