10-Day Weather Forecast - Round Lake Heights, IL

Mostly cloudy in the morning then clearing. Highs in the upper 60s inland but only in the mid 60s near the lake. Southeast winds 5 to 10 mph increasing to south 10 to 15 mph with gusts up to 25 mph in the afternoon.

Partly cloudy in the evening then becoming mostly cloudy. Lows in the mid 40s. Southwest winds around 10 mph becoming west after midnight.

Mostly cloudy. A slight chance of rain. Highs in the upper 40s. North winds 10 to 15 mph increasing to 15 to 20 mph in the afternoon. Chance of precipitation 20 percent.

Mostly cloudy in the evening then becoming partly cloudy. Lows in the upper 20s. North winds 10 to 15 mph with gusts up to 25 mph diminishing to 5 to 10 mph after midnight.

Partly cloudy. Highs in the mid 40s inland but only around 40 near the lake.

Partly cloudy in the evening then becoming mostly cloudy. Lows in the lower 30s.

Mostly cloudy. Highs in the lower 50s.

Mostly cloudy. Lows in the mid 30s.

Mostly cloudy. Highs in the upper 40s inland but only in the lower 40s near the lake.

Mostly cloudy. Near steady temperature in the lower 40s.

Mostly cloudy with a 40 percent chance of showers. Highs in the lower 60s.

Mostly cloudy. Lows in the upper 20s.

Mostly cloudy. Highs in the lower 40s.

Partly cloudy. Low temperature around 27F. Dew point will be around 19F with an average humidity of 61%. Winds will be 2 mph from the N.

Partly cloudy. High temperature around 47F. Dew point will be around 21F with an average humidity of 48%. Winds will be 3 mph from the SW.

Partly cloudy. Low temperature around 31F. Dew point will be around 24F with an average humidity of 64%. Winds will be 2 mph from the S.

Mostly cloudy. High temperature around 46F. Dew point will be around 28F with an average humidity of 60%. Winds will be 3 mph from the E.

Cloudy. Low temperature around 34F. Dew point will be around 28F with an average humidity of 73%. Winds will be 4 mph from the E.