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January 22nd, 2026 :: 9:19 am CST   

Local Weather Report for
Lake Forest
Illinois, United States

 Lake Forest Weather Forecast Summary  
 
Today
Jan 22nd
Friday
Jan 23rd
Saturday
Jan 24th
Sunday
Jan 25th
Monday
Jan 26th
Cloudy Cloudy Cloudy Cloudy Cloudy
23°F
5°F
-4°F
17°F
8°F
23°F
18°F
21°F
17°F
 
 Lake Forest Detailed Weather Forecast  
 
Thursday, January 22nd, 2026
Morning Temperature: 20°F
Cloudy. Wind 20 to 30 mph.
Afternoon Temperature: 19°F
Cloudy. Wind 25 to 40 mph.
Evening Temperature: 8°F
Clear with cloudy periods. Wind 25 to 40 mph.
Friday, January 23rd, 2026
Overnight Temperature: -3°F
Cloudy. Wind 25 to 40 mph.
Morning Temperature: -1°F
Cloudy with a slight chance of flurries. Wind 20 to 30 mph.
Afternoon Temperature: 3°F
Cloudy. Windy.
Evening Temperature: 5°F
Cloudy. Windy.
Saturday, January 24th, 2026
Overnight Temperature: 9°F
Cloudy with a slight chance of flurries. Windy at times.
Morning Temperature: 14°F
Cloudy with a chance of flurries. Windy at times.
Afternoon Temperature: 13°F
Mostly cloudy with a chance of flurries.
Evening Temperature: 16°F
Cloudy with a slight chance of flurries. Windy at times.
Sunday, January 25th, 2026
Overnight Temperature: 18°F
Cloudy. Windy at times.
Morning Temperature: 19°F
Cloudy. Windy at times.
Afternoon Temperature: 21°F
Cloudy. Windy.
Evening Temperature: 22°F
Cloudy with a chance of flurries. Windy at times.
Monday, January 26th, 2026
Overnight Temperature: 21°F
Cloudy with a chance of flurries. Wind 20 to 30 mph.
Morning Temperature: 18°F
A mix of cloud and sun. Windy.
Afternoon Temperature: 19°F
A mix of cloud and sun. Windy.
Evening Temperature: 21°F
Clear with cloudy periods. Wind 20 to 30 mph.
Tuesday, January 27th, 2026
Overnight Temperature: 21°F
Cloudy. Wind 20 to 30 mph.
Morning Temperature: 23°F
Cloudy. Windy.
Afternoon Temperature: 24°F
Cloudy. Windy.
Evening Temperature: 22°F
A mix of cloudy and clear skies. Windy at times.
Wednesday, January 28th, 2026
Overnight Temperature: 21°F
Cloudy. Windy at times.
Morning Temperature: 20°F
Cloudy with a slight chance of flurries. Wind 20 to 30 mph.
Afternoon Temperature: 17°F
A mix of cloud and sun. Wind 20 to 30 mph.
Evening Temperature: 12°F
Cloudy. Wind 20 to 30 mph.
Thursday, January 29th, 2026
Overnight Temperature: 10°F
Cloudy. Wind 20 to 30 mph.
Morning Temperature: 11°F
Cloudy. Windy.
Afternoon Temperature: 13°F
Cloudy. Windy.
Evening Temperature: 12°F
Cloudy. Windy.
Friday, January 30th, 2026
Overnight Temperature: 10°F
Cloudy. Windy.
Morning Temperature: 12°F
Cloudy. Windy.
Afternoon Temperature: 14°F
Cloudy. Windy.
Evening Temperature: 15°F
Cloudy with a slight chance of flurries. 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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