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February 8th, 2026 :: 1:52 am CST   

Local Weather Report for
Dekalb
Illinois, United States

 Dekalb Weather Forecast Summary  
 
Today
Feb 8th
Monday
Feb 9th
Tuesday
Feb 10th
Wednesday
Feb 11th
Thursday
Feb 12th
Cloudy Cloudy Cloudy Mostly Sunny Cloudy
30°F
36°F
21°F
42°F
29°F
35°F
25°F
33°F
24°F
 
 Dekalb Detailed Weather Forecast  
 
Sunday, February 8th, 2026
Overnight Temperature: 21°F
Cloudy. Windy at times.
Morning Temperature: 26°F
Sunny. Windy at times.
Afternoon Temperature: 26°F
Sunny. Windy at times.
Evening Temperature: 24°F
Clear. Windy at times.
Monday, February 9th, 2026
Overnight Temperature: 21°F
A mix of cloudy and clear skies. Windy at times.
Morning Temperature: 30°F
Cloudy. Windy at times.
Afternoon Temperature: 33°F
Cloudy. Windy at times.
Evening Temperature: 34°F
Cloudy. Windy at times.
Tuesday, February 10th, 2026
Overnight Temperature: 34°F
Cloudy. Windy at times.
Morning Temperature: 38°F
Cloudy. Windy.
Afternoon Temperature: 34°F
Sunny with cloudy periods. Windy.
Evening Temperature: 30°F
Clear. Windy at times.
Wednesday, February 11th, 2026
Overnight Temperature: 26°F
Clear. Windy at times.
Morning Temperature: 31°F
Sunny. Windy at times.
Afternoon Temperature: 30°F
Sunny.
Evening Temperature: 27°F
Mostly clear.
Thursday, February 12th, 2026
Overnight Temperature: 24°F
Cloudy.
Morning Temperature: 29°F
Cloudy.
Afternoon Temperature: 28°F
Cloudy.
Evening Temperature: 28°F
Cloudy.
Friday, February 13th, 2026
Overnight Temperature: 27°F
Cloudy.
Morning Temperature: 32°F
Cloudy. Windy at times.
Afternoon Temperature: 31°F
Cloudy. Windy at times.
Evening Temperature: 30°F
Cloudy. Windy at times.
Saturday, February 14th, 2026
Overnight Temperature: 29°F
Cloudy with a chance of flurries. Windy at times.
Morning Temperature: 30°F
Cloudy with a few flurries or freezing rain showers. Windy at times.
Afternoon Temperature: 30°F
Cloudy with a chance of flurries or showers.
Evening Temperature: 30°F
Cloudy. Windy at times.
Sunday, February 15th, 2026
Overnight Temperature: 28°F
Clear with cloudy periods. Windy at times.
Morning Temperature: 35°F
Cloudy. Windy at times.
Afternoon Temperature: 31°F
Cloudy.
Evening Temperature: 33°F
Cloudy.
Monday, February 16th, 2026
Overnight Temperature: 32°F
Cloudy.
Morning Temperature: 36°F
Cloudy. Windy at times.
Afternoon Temperature: 36°F
Cloudy. Windy at times.
Evening Temperature: 40°F
Cloudy. Windy.





 

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This WeatherCity Weather Forecast for Dekalb, 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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