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December 9th, 2025 :: 2:18 am CST   

Local Weather Report for
Lake Forest
Illinois, United States

 Lake Forest Weather Forecast Summary  
 
Today
Dec 9th
Wednesday
Dec 10th
Thursday
Dec 11th
Friday
Dec 12th
Saturday
Dec 13th
Mix of rain and snow Mix of rain and snow Cloudy Cloudy Flurries
41°F
40°F
24°F
25°F
19°F
28°F
21°F
19°F
12°F
 
 Lake Forest Detailed Weather Forecast  
 
Tuesday, December 9th, 2025
Overnight Temperature: 30°F
Cloudy with a chance of flurries or showers. Wind 25 to 40 mph.
Morning Temperature: 34°F
Cloudy. Wind 20 to 30 mph.
Afternoon Temperature: 37°F
Cloudy with a chance of showers. Showers possibly mixed with wet flurries. Windy.
Evening Temperature: 40°F
Cloudy with a few showers. Showers possibly mixed with wet flurries. Wind 25 to 40 mph.
Wednesday, December 10th, 2025
Overnight Temperature: 39°F
Cloudy with showers likely. Showers possibly mixed with wet flurries. Wind 20 to 30 mph.
Morning Temperature: 33°F
Cloudy with showers or wet flurries likely. Wind 40 to 50 mph.
Afternoon Temperature: 29°F
Cloudy. Wind 20 to 30 mph.
Evening Temperature: 26°F
Cloudy. Windy.
Thursday, December 11th, 2025
Overnight Temperature: 20°F
Clear with cloudy periods. Windy.
Morning Temperature: 22°F
Cloudy. Windy.
Afternoon Temperature: 25°F
Cloudy. Windy at times.
Evening Temperature: 24°F
Cloudy. Windy at times.
Friday, December 12th, 2025
Overnight Temperature: 25°F
Cloudy.
Morning Temperature: 27°F
Cloudy. Windy at times.
Afternoon Temperature: 27°F
Cloudy. Windy.
Evening Temperature: 23°F
Cloudy. Wind 20 to 30 mph.
Saturday, December 13th, 2025
Overnight Temperature: 18°F
Cloudy. Windy.
Morning Temperature: 18°F
Cloudy with flurries likely. Windy.
Afternoon Temperature: 18°F
Mostly cloudy with a chance of flurries. Windy.
Evening Temperature: 14°F
Cloudy. Wind 20 to 30 mph.
Sunday, December 14th, 2025
Overnight Temperature: 10°F
Clear with cloudy periods. Wind 20 to 30 mph.
Morning Temperature: 12°F
Sunny with cloudy periods. Wind 20 to 30 mph.
Afternoon Temperature: 18°F
Cloudy. Windy.
Evening Temperature: 16°F
Cloudy with a slight chance of flurries. Windy.
Monday, December 15th, 2025
Overnight Temperature: 18°F
Cloudy. Windy at times.
Morning Temperature: 23°F
Cloudy with a chance of flurries. Windy.
Afternoon Temperature: 25°F
Cloudy. Windy at times.
Evening Temperature: 25°F
Clear. Windy at times.
Tuesday, December 16th, 2025
Overnight Temperature: 28°F
Clear. Windy.
Morning Temperature: 32°F
Sunny. Wind 20 to 30 mph.
Afternoon Temperature: 34°F
A mix of cloud and sun. Wind 20 to 30 mph.
Evening Temperature: 36°F
Cloudy. Wind 20 to 30 mph.
Wednesday, December 17th, 2025
Overnight Temperature: 38°F
Cloudy with a slight chance of showers. Showers possibly mixed with wet flurries. Wind 25 to 40 mph.
Morning Temperature: 38°F
Cloudy with a chance of showers. Showers possibly mixed with wet flurries. Wind 20 to 30 mph.
Afternoon Temperature: 37°F
Cloudy with a chance of showers or wet flurries. Windy.
Evening Temperature: 36°F
A mix of cloudy and clear skies with a chance of showers. Showers possibly mixed with wet flurries. Wind 20 to 30 mph.





 

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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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