10-Day Weather Forecast - Lake Forest, IL

Sunny. Highs in the upper 20s. Northwest winds 5 to 10 mph becoming southwest in the afternoon.

Partly cloudy in the evening then becoming mostly cloudy. Lows around 20. Temperature rising into the upper 20s after midnight. South winds 5 to 10 mph.

Cloudy. Highs around 40. South winds 10 to 15 mph.

Cloudy. Near steady temperature in the upper 30s. Southwest winds around 10 mph.

Mostly cloudy. Highs in the mid 40s.

Mostly cloudy. Lows around 30.

Cloudy. A chance of rain and drizzle in the afternoon. Highs in the lower 40s. Chance of precipitation 40 percent.

Cloudy. Rain and drizzle likely in the evening then a chance of very light drizzle after midnight. Near steady temperature in the lower 40s. Chance of precipitation 60 percent.

Cloudy with a chance of very light drizzle. Highs in the lower 50s.

Mostly cloudy. A chance of very light drizzle in the evening. Lows in the mid 30s.

Mostly cloudy. Highs in the mid 40s.

Mostly cloudy. Lows in the lower 30s.

Mostly cloudy. Highs in the lower 40s.

Cloudy. Low temperature around 33F. Dew point will be around 30F with an average humidity of 77%. Winds will be 5 mph from the N.

Mostly sunny. High temperature around 39F. Dew point will be around 28F with an average humidity of 69%. Winds will be 6 mph from the N.

Mostly clear. Low temperature around 28F. Dew point will be around 23F with an average humidity of 72%. Winds will be 7 mph from the N.

Mostly sunny. High temperature around 35F. Dew point will be around 22F with an average humidity of 65%. Winds will be 6 mph from the N.

Clear. Low temperature around 26F. Dew point will be around 19F with an average humidity of 67%. Winds will be 4 mph from the NE.