10-Day Weather Forecast - Island Lake, IL

Sunny in the morning then becoming partly cloudy. Highs in the lower 20s. North winds around 5 mph becoming southeast in the afternoon.

Mostly cloudy. Near steady temperature around 17. Southeast winds 5 to 10 mph.

Mostly cloudy. Highs in the lower 30s. Southeast winds 5 to 10 mph.

Mostly cloudy in the evening then becoming partly cloudy. Lows around 20. South winds around 5 mph.

Mostly cloudy in the morning then becoming partly cloudy. Highs in the lower 40s.

Partly cloudy. Lows in the upper 20s.

Mostly cloudy. A slight chance of rain in the afternoon. Highs in the mid 40s. Chance of precipitation 20 percent.

Cloudy with a 40 percent chance of rain. Lows around 30.

Mostly cloudy. Highs in the upper 30s.

Mostly cloudy. Lows in the lower 20s.

Mostly cloudy. Highs in the mid 30s.

Mostly cloudy. Lows in the lower 20s.

Mostly cloudy. Highs in the upper 30s.

Cloudy. Low temperature around 30F. Dew point will be around 26F with an average humidity of 80%. Winds will be 5 mph from the E.

Cloudy. High temperature around 41F. Dew point will be around 29F with an average humidity of 72%. Winds will be 6 mph from the NE.

Cloudy. Low temperature around 30F. Dew point will be around 26F with an average humidity of 81%. Winds will be 4 mph from the NE.

Cloudy. High temperature around 41F. Dew point will be around 29F with an average humidity of 72%. Winds will be 2 mph from the NE.

Partly cloudy. Low temperature around 29F. Dew point will be around 26F with an average humidity of 79%. Winds will be 2 mph from the W.