10-Day Weather Forecast - Lake Forest, IL

Partly cloudy. A chance of showers and thunderstorms in the late morning and early afternoon. Patchy smoke in the afternoon. Humid with highs in the upper 80s. Temperature falling into the upper 70s in the afternoon. West winds 10 to 15 mph becoming north with gusts up to 25 mph in the afternoon. Chance of precipitation 50 percent.

Mostly clear. Patchy smoke early in the evening then areas of smoke in the late evening and overnight. Lows in the mid 60s. Northeast winds 10 to 15 mph diminishing to 5 to 10 mph after midnight.

Mostly sunny. Areas of smoke in the morning. Highs in the upper 70s. East winds around 5 mph.

Mostly clear in the evening then becoming partly cloudy. Lows in the upper 60s. Southeast winds around 5 mph becoming south after midnight.

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 80s. Chance of precipitation 50 percent.

Showers likely with a chance of thunderstorms. Lows around 70. Chance of precipitation 70 percent.

Mostly sunny in the morning then becoming partly cloudy. A slight chance of showers and thunderstorms. Highs in the mid 80s. Chance of precipitation 20 percent.

Mostly clear. Lows in the lower 60s.

Mostly sunny. Highs in the upper 70s.

Mostly clear. Lows in the upper 50s.

Mostly sunny. Highs in the lower 80s.

Partly cloudy. Lows in the lower 60s.

Partly cloudy. Highs in the lower 80s.

Mostly clear with a slight chance of rain. Chance of precipitation 30%. Low temperature around 65F. Dew point will be around 64F with an average humidity of 87%. Winds will be 2 mph from the S.

Sunny with a 30% chance for rain and thunderstorms. High temperature around 74F. Dew point will be around 65F with an average humidity of 81%. Winds will be 2 mph from the E.

Mostly clear with a 30% chance for rain and thunderstorms. Low temperature around 65F. Dew point will be around 64F with an average humidity of 86%. Winds will be 1 mph from the SE.

Sunny with widely scattered thunderstorms. Chance of storms 25%. High temperature around 75F. Dew point will be around 66F with an average humidity of 80%. Winds will be 2 mph from the E.

Clear with widely scattered thunderstorms. Chance of storms 25%. Low temperature around 65F. Dew point will be around 63F with an average humidity of 82%. Winds will be 1 mph from the NE.