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January 28th, 2026 :: 11:08 am CST   

Local Weather Report for
De Kalb
Illinois, United States

 Current De Kalb Weather Conditions Updated January 28th at 9:55 am 
Temperature:7°F Dew Point:-0°F
Barometer:30.21 inHg Wind:calm
Humidity:66.1% Visibility:0M
 
 De Kalb Weather Forecast Summary  
 
Today
Jan 28th
Thursday
Jan 29th
Friday
Jan 30th
Saturday
Jan 31st
Sunday
Feb 1st
Mostly Sunny Cloudy Cloudy Cloudy Sunny
13°F
12°F
1°F
16°F
3°F
20°F
7°F
23°F
9°F
 
 De Kalb Detailed Weather Forecast  
 
Wednesday, January 28th, 2026
Morning Temperature: 9°F
Mostly sunny. Windy at times.
Afternoon Temperature: 8°F
Sunny.
Evening Temperature: 5°F
Clear.
Thursday, January 29th, 2026
Overnight Temperature: 1°F
Cloudy.
Morning Temperature: 8°F
Cloudy.
Afternoon Temperature: 8°F
Cloudy.
Evening Temperature: 5°F
Clear.
Friday, January 30th, 2026
Overnight Temperature: 4°F
Cloudy. Windy at times.
Morning Temperature: 12°F
Cloudy with a chance of flurries. Windy.
Afternoon Temperature: 9°F
Sunny. Windy at times.
Evening Temperature: 6°F
Clear. Windy at times.
Saturday, January 31st, 2026
Overnight Temperature: 7°F
Cloudy. Windy at times.
Morning Temperature: 15°F
Cloudy. Windy.
Afternoon Temperature: 16°F
Sunny. Windy at times.
Evening Temperature: 14°F
Clear. Windy at times.
Sunday, February 1st, 2026
Overnight Temperature: 10°F
Clear. Windy at times.
Morning Temperature: 18°F
Sunny. Windy at times.
Afternoon Temperature: 13°F
Sunny.
Evening Temperature: 11°F
Clear.
Monday, February 2nd, 2026
Overnight Temperature: 12°F
Clear.
Morning Temperature: 24°F
A mix of cloud and sun. Windy at times.
Afternoon Temperature: 24°F
A mix of cloud and sun.
Evening Temperature: 23°F
Cloudy.
Tuesday, February 3rd, 2026
Overnight Temperature: 17°F
Mostly clear.
Morning Temperature: 26°F
Cloudy.
Afternoon Temperature: 25°F
Cloudy.
Evening Temperature: 25°F
Cloudy.
Wednesday, February 4th, 2026
Overnight Temperature: 29°F
Cloudy with a chance of flurries or freezing rain showers. Windy at times.
Morning Temperature: 33°F
Cloudy with flurries or showers likely. Windy at times.
Afternoon Temperature: 31°F
Cloudy with a chance of flurries or showers. Windy at times.
Evening Temperature: 28°F
Cloudy. Windy at times.
Thursday, February 5th, 2026
Overnight Temperature: 20°F
Cloudy. Windy at times.
Morning Temperature: 23°F
Sunny with cloudy periods. Windy at times.
Afternoon Temperature: 25°F
Sunny. Windy at times.
Evening Temperature: 27°F
Clear. Windy.





 

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This WeatherCity Weather Forecast for De Kalb, 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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