10-Day Weather Forecast - Lake Forest, IL

Mostly cloudy. A chance of showers with a slight chance of thunderstorms. Windy with highs in the mid 70s. Southwest winds 15 to 20 mph becoming 15 to 25 mph in the afternoon. Gusts up to 40 mph. Chance of precipitation 50 percent.

A slight chance of thunderstorms in the evening. Showers. A chance of thunderstorms after midnight. Breezy with lows around 60. Southwest winds 15 to 20 mph with gusts up to 30 mph. Chance of precipitation 90 percent.

Mostly cloudy. A slight chance of showers and thunderstorms. Highs in the mid 70s. Southwest winds 10 to 15 mph. Chance of precipitation 20 percent.

Mostly cloudy. A chance of showers and thunderstorms. Lows in the lower 60s. Southwest winds 10 to 15 mph. Chance of precipitation 50 percent.

Mostly cloudy. A chance of showers and thunderstorms in the afternoon. Highs in the upper 70s. Chance of precipitation 50 percent.

Mostly cloudy. Showers with a chance of thunderstorms in the evening then a chance of showers with a slight chance of thunderstorms after midnight. Lows in the upper 50s. Chance of precipitation 80 percent.

Mostly cloudy with a chance of showers. A slight chance of thunderstorms in the morning then a chance of thunderstorms in the afternoon. Highs in the mid 70s. Chance of precipitation 50 percent.

Mostly cloudy with a chance of showers. Lows in the mid 50s. Chance of precipitation 50 percent.

Mostly cloudy in the morning then clearing. Highs in the mid 70s.

Mostly clear. Lows in the lower 50s.

Partly cloudy in the morning then mostly cloudy with a chance of showers in the afternoon. Highs in the upper 70s inland but only in the lower 70s near the lake. Chance of precipitation 40 percent.

Showers likely. Lows in the mid 40s. Chance of precipitation 70 percent.

Mostly cloudy in the morning then becoming partly cloudy. A chance of showers. Highs around 60. Chance of precipitation 40 percent.

Clear with a slight chance of rain. Chance of precipitation 30%. Low temperature around 42F. Dew point will be around 31F with an average humidity of 57%. Winds will be 8 mph from the NE.

Sunny. High temperature around 54F. Dew point will be around 33F with an average humidity of 52%. Winds will be 6 mph from the NE.

Mostly clear. Low temperature around 45F. Dew point will be around 35F with an average humidity of 62%. Winds will be 6 mph from the NE.

Partly cloudy. High temperature around 58F. Dew point will be around 39F with an average humidity of 57%. Winds will be 5 mph from the E.

Cloudy. Low temperature around 50F. Dew point will be around 44F with an average humidity of 74%. Winds will be 5 mph from the SE.