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January 13th, 2026 :: 3:52 am CST   

Local Weather Report for
Lake Forest
Illinois, United States

 Lake Forest Weather Forecast Summary  
 
Today
Jan 13th
Wednesday
Jan 14th
Thursday
Jan 15th
Friday
Jan 16th
Saturday
Jan 17th
Cloudy Cloudy Cloudy Mix of rain and snow Cloudy
44°F
36°F
22°F
28°F
19°F
34°F
25°F
25°F
19°F
 
 Lake Forest Detailed Weather Forecast  
 
Tuesday, January 13th, 2026
Morning Temperature: 42°F
Cloudy. Wind 20 to 30 mph.
Afternoon Temperature: 42°F
Cloudy. Windy.
Evening Temperature: 40°F
Cloudy with a chance of showers. Showers possibly mixed with wet flurries. Windy.
Wednesday, January 14th, 2026
Overnight Temperature: 32°F
Cloudy with a slight chance of showers or wet flurries. Wind 35 to 45 mph.
Morning Temperature: 23°F
Cloudy. Wind 35 to 45 mph.
Afternoon Temperature: 23°F
Cloudy. Wind 25 to 40 mph.
Evening Temperature: 23°F
Cloudy. Wind 25 to 40 mph.
Thursday, January 15th, 2026
Overnight Temperature: 21°F
Cloudy. Wind 20 to 30 mph.
Morning Temperature: 21°F
A mix of cloud and sun. Windy.
Afternoon Temperature: 27°F
Cloudy. Windy.
Evening Temperature: 27°F
Cloudy with a chance of flurries. Wind 25 to 40 mph.
Friday, January 16th, 2026
Overnight Temperature: 29°F
Cloudy with flurries likely. Wind 25 to 40 mph.
Morning Temperature: 34°F
Cloudy with a chance of flurries or showers. Risk of freezing rain. Wind 25 to 40 mph.
Afternoon Temperature: 34°F
Cloudy. Wind 20 to 30 mph.
Evening Temperature: 29°F
Cloudy. Wind 20 to 30 mph.
Saturday, January 17th, 2026
Overnight Temperature: 21°F
Cloudy. Wind 20 to 30 mph.
Morning Temperature: 21°F
Cloudy with a chance of flurries. Wind 20 to 30 mph.
Afternoon Temperature: 25°F
Cloudy with a chance of flurries. Wind 25 to 40 mph.
Evening Temperature: 22°F
Cloudy with a chance of flurries. Wind 25 to 40 mph.
Sunday, January 18th, 2026
Overnight Temperature: 14°F
Cloudy with a slight chance of flurries. Wind 20 to 30 mph.
Morning Temperature: 12°F
Cloudy. Windy.
Afternoon Temperature: 16°F
Cloudy. Windy.
Evening Temperature: 19°F
Cloudy. Windy.
Monday, January 19th, 2026
Overnight Temperature: 24°F
Cloudy. Windy at times.
Morning Temperature: 24°F
Cloudy with a chance of flurries. Wind 20 to 30 mph.
Afternoon Temperature: 25°F
Cloudy with a chance of flurries. Wind 25 to 40 mph.
Evening Temperature: 21°F
Cloudy. Wind 25 to 40 mph.
Tuesday, January 20th, 2026
Overnight Temperature: 13°F
Clear. Wind 20 to 30 mph.
Morning Temperature: 13°F
Sunny with cloudy periods. Wind 20 to 30 mph.
Afternoon Temperature: 16°F
Cloudy.
Evening Temperature: 23°F
Cloudy. Windy.
Wednesday, January 21st, 2026
Overnight Temperature: 25°F
Cloudy. Wind 20 to 30 mph.
Morning Temperature: 27°F
Cloudy with a slight chance of flurries. Windy.
Afternoon Temperature: 30°F
Cloudy. Windy at times.
Evening Temperature: 32°F
Cloudy. Windy at times.





 

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Mostly Cloudy

 
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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