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January 7th, 2026 :: 10:03 am CST   

Local Weather Report for
Lake Forest
Illinois, United States

 Lake Forest Weather Forecast Summary  
 
Today
Jan 7th
Thursday
Jan 8th
Friday
Jan 9th
Saturday
Jan 10th
Sunday
Jan 11th
Cloudy Showers Cloudy Mix of rain and snow Mix of rain and snow
42°F
48°F
41°F
47°F
36°F
37°F
28°F
31°F
26°F
 
 Lake Forest Detailed Weather Forecast  
 
Wednesday, January 7th, 2026
Morning Temperature: 38°F
Mostly sunny. Windy at times.
Afternoon Temperature: 42°F
Sunny. Windy at times.
Evening Temperature: 41°F
Clear. Windy.
Thursday, January 8th, 2026
Overnight Temperature: 41°F
Cloudy. Windy.
Morning Temperature: 42°F
Cloudy with a chance of showers. Windy.
Afternoon Temperature: 45°F
Cloudy with showers likely. Wind 25 to 40 mph.
Evening Temperature: 47°F
Cloudy with a few showers. Wind 20 to 30 mph.
Friday, January 9th, 2026
Overnight Temperature: 46°F
Clear with cloudy periods with a chance of showers. Windy.
Morning Temperature: 39°F
Cloudy with a chance of showers. Showers possibly mixed with wet flurries. Windy.
Afternoon Temperature: 38°F
Sunny. Windy.
Evening Temperature: 37°F
Cloudy. Windy.
Saturday, January 10th, 2026
Overnight Temperature: 37°F
Cloudy. Windy.
Morning Temperature: 36°F
Cloudy with showers or wet flurries likely. Windy at times.
Afternoon Temperature: 34°F
Cloudy with a chance of flurries or showers. Risk of freezing rain. Wind 20 to 30 mph.
Evening Temperature: 30°F
Cloudy with a chance of flurries or showers. Wind 25 to 40 mph.
Sunday, January 11th, 2026
Overnight Temperature: 26°F
Cloudy with a slight chance of flurries. Wind 25 to 40 mph.
Morning Temperature: 30°F
Cloudy with flurries likely. Wind 25 to 40 mph.
Afternoon Temperature: 31°F
Sunny. Windy.
Evening Temperature: 29°F
Clear. Windy.
Monday, January 12th, 2026
Overnight Temperature: 30°F
Cloudy. Windy.
Morning Temperature: 34°F
Cloudy with a slight chance of showers. Showers possibly mixed with wet flurries. Wind 20 to 30 mph.
Afternoon Temperature: 37°F
Cloudy. Wind 20 to 30 mph.
Evening Temperature: 36°F
Cloudy. Wind 20 to 30 mph.
Tuesday, January 13th, 2026
Overnight Temperature: 36°F
Cloudy. Wind 20 to 30 mph.
Morning Temperature: 35°F
Cloudy. Windy.
Afternoon Temperature: 34°F
Cloudy. Windy.
Evening Temperature: 33°F
Cloudy. Windy.
Wednesday, January 14th, 2026
Overnight Temperature: 30°F
A mix of cloudy and clear skies. Windy at times.
Morning Temperature: 30°F
Cloudy.
Afternoon Temperature: 30°F
A mix of cloud and sun. Windy at times.
Evening Temperature: 28°F
Cloudy. Windy.
Thursday, January 15th, 2026
Overnight Temperature: 24°F
Cloudy with a chance of flurries. Wind 20 to 30 mph.
Morning Temperature: 21°F
Sunny with cloudy periods. Windy.
Afternoon Temperature: 23°F
Sunny. Windy at times.
Evening Temperature: 23°F
Clear. Windy.





 

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This WeatherCity Weather Forecast for Lake Forest, Illinois, United States is computed using a computer-generated forecast model and should be considered experimental. Please confirm this weather information with your official weather information office

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