10-Day Weather Forecast - Round Lake, IL

Mostly sunny in the morning then becoming partly cloudy. Highs in the lower 80s. North winds 5 to 10 mph.

Mostly clear. Lows in the lower 60s. North winds 5 to 10 mph.

Sunny. Highs in the lower 80s. Northeast winds 5 to 10 mph.

Mostly clear. Lows in the mid 60s. East winds around 5 mph.

Mostly sunny. Highs in the upper 80s inland but only in the lower 80s near the lake. South winds 5 to 10 mph.

Mostly clear. Lows in the upper 60s.

Partly cloudy. Highs in the lower 90s. Heat index values up to 100.

Mostly cloudy with a chance of showers and thunderstorms. Lows in the lower 70s. Chance of precipitation 40 percent.

Mostly cloudy. Highs in the mid 80s inland but only in the lower 80s near the lake.

Mostly cloudy. Lows in the upper 60s.

Partly cloudy with a chance of showers. Highs in the mid 80s inland but only in the lower 80s near the lake. Chance of precipitation 40 percent.

Mostly cloudy with a chance of showers and thunderstorms. Lows in the mid 60s. Chance of precipitation 40 percent.

Mostly cloudy with a chance of showers. Highs in the upper 70s. Chance of precipitation 40 percent.

Clear with a chance of rain. Chance of precipitation 35%. Low temperature around 63F. Dew point will be around 62F with an average humidity of 84%. Winds will be 7 mph from the NE.

Sunny. High temperature around 79F. Dew point will be around 62F with an average humidity of 66%. Winds will be 5 mph from the NE.

Clear. Low temperature around 63F. Dew point will be around 62F with an average humidity of 82%. Winds will be 3 mph from the NE.

Sunny. High temperature around 80F. Dew point will be around 63F with an average humidity of 67%. Winds will be 2 mph from the NE.

Clear. Low temperature around 63F. Dew point will be around 62F with an average humidity of 83%. Winds will be 2 mph from the NE.