10-Day Weather Forecast - Lake Forest, IL

Mostly cloudy. A chance of showers and thunderstorms in the morning then showers and thunderstorms in the afternoon. Some thunderstorms may be severe in the afternoon. Locally heavy rainfall possible in the afternoon. Breezy with highs in the lower 70s inland but only in the upper 60s near the lake. Southeast winds 15 to 20 mph becoming south 15 to 25 mph in the afternoon. Gusts up to 35 mph. Chance of precipitation 90 percent.

Mostly cloudy. Showers and thunderstorms in the evening then a slight chance of showers after midnight. Some thunderstorms may be severe. Locally heavy rainfall possible in the evening. Breezy with lows in the lower 50s. South winds 15 to 20 mph becoming southwest 10 to 15 mph after midnight. Gusts up to 30 mph. Chance of precipitation 90 percent.

Mostly cloudy. Highs in the lower 60s. West winds 10 to 15 mph. Gusts up to 25 mph in the morning.

Mostly cloudy. Lows in the mid 40s.

Partly cloudy in the morning then becoming mostly cloudy. Highs in the upper 50s.

Mostly cloudy in the evening then clearing. Lows in the upper 30s.

Partly cloudy. Highs in the mid 50s.

Mostly cloudy in the evening then becoming partly cloudy. Lows in the upper 30s.

Partly cloudy in the morning then becoming mostly cloudy. Highs in the mid 50s.

Mostly cloudy in the evening then clearing. Patchy frost after midnight. Lows in the upper 30s.

Mostly sunny in the morning then becoming partly cloudy. Highs in the upper 50s inland but only in the mid 50s near the lake.

Clear. Low temperature around 42F. Dew point will be around 33F with an average humidity of 65%. Winds will be 1 mph from the NE.

Sunny. High temperature around 56F. Dew point will be around 40F with an average humidity of 63%. Winds will be 2 mph from the NW.

Clear with a slight chance of rain. Chance of precipitation 25%. Low temperature around 45F. Dew point will be around 40F with an average humidity of 72%. Winds will be 1 mph from the W.

Mostly sunny with a slight chance of rain. Chance of precipitation 30%. High temperature around 56F. Dew point will be around 44F with an average humidity of 71%. Winds will be 2 mph from the W.

Partly cloudy with a slight chance of rain. Chance of precipitation 30%. Low temperature around 46F. Dew point will be around 42F with an average humidity of 78%. Winds will be 1 mph from the NW.

Partly cloudy with a chance of rain. Chance of precipitation 35%. High temperature around 56F. Dew point will be around 45F with an average humidity of 74%. Winds will be 1 mph from the SW.

Cloudy with a chance of rain. Chance of precipitation 40%. Low temperature around 46F. Dew point will be around 44F with an average humidity of 82%. Winds will be 1 mph from the N.