Today
Lake Forest, Illinois
Tomorrow
55°
HIGH
32°
LOW
Friday
71°
44°
Saturday
64°
53°
Sunday
42°
33°
80.74%
80.25%
75.93%
75.31%
74.69%
73.46%
73.15%
72.22%
68.83%
65.43%
62.35%
34.81%
84.68%
82.78%
81.56%
81.21%
80.71%
80.18%
75.30%
72.82%
70.31%
69.82%
67.01%
67.00%
43.85%
16.0% of The Weather Channel's low temperature forecasts for Lake Forest were exactly right last year.
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