10-Day Weather Forecast - Lake Forest, IL

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

Partly cloudy in the evening then becoming mostly cloudy. A slight chance of showers after midnight. Lows in the upper 60s. Southwest winds 5 to 10 mph. Chance of precipitation 20 percent.

Mostly cloudy. A chance of showers with a slight chance of thunderstorms in the morning then showers likely with a chance of thunderstorms in the afternoon. Humid with highs in the lower 80s. Southwest winds 5 to 10 mph. Chance of precipitation 70 percent.

Mostly cloudy. Showers likely with a chance of thunderstorms in the evening then a chance of showers with a slight chance of thunderstorms after midnight. Lows in the mid 60s. Chance of precipitation 70 percent.

Mostly cloudy. A slight chance of showers and thunderstorms in the morning then a chance of showers and thunderstorms in the afternoon. Highs in the upper 70s inland but only in the mid 70s near the lake. Chance of precipitation 30 percent.

Mostly cloudy. A chance of showers with a slight chance of thunderstorms in the evening then a slight chance of showers after midnight. Lows in the lower 60s. Chance of precipitation 30 percent.

Partly cloudy. Highs in the lower 80s.

Partly cloudy. Lows in the mid 60s.

Mostly sunny in the morning then becoming partly cloudy. Highs in the mid 80s.

Mostly clear. Lows in the upper 60s.

Mostly sunny. Highs in the upper 80s.

Clear with widespread thunderstorms. Chance of storms 85%. Low temperature around 69F. Dew point will be around 66F with an average humidity of 79%. Winds will be 3 mph from the W.

Sunny with widespread thunderstorms. Chance of storms 100%. High temperature around 83F. Dew point will be around 68F with an average humidity of 70%. Winds will be 4 mph from the W.

Clear with widespread thunderstorms. Chance of storms 100%. Low temperature around 69F. Dew point will be around 67F with an average humidity of 81%. Winds will be 4 mph from the W.

Sunny. High temperature around 80F. Dew point will be around 66F with an average humidity of 69%. Winds will be 3 mph from the NW.

Partly cloudy with a slight chance of rain. Chance of precipitation 30%. Low temperature around 66F. Dew point will be around 62F with an average humidity of 75%. Winds will be 2 mph from the NW.

Mostly sunny with a 55% chance for rain and thunderstorms. High temperature around 76F. Dew point will be around 62F with an average humidity of 69%. Winds will be 1 mph from the N.

Clear with a 60% chance for rain and thunderstorms. Low temperature around 64F. Dew point will be around 61F with an average humidity of 77%. Winds will be 2 mph from the NW.