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December 10th, 2025 :: 5:41 am CST   

Local Weather Report for
De Kalb
Illinois, United States

 Current De Kalb Weather Conditions Updated December 10th at 4:55 am 
moderate drizzle
Temperature:36°F Dew Point:36°F
Barometer:29.33 inHg Wind:N 24 Mph
Humidity:100.0% Visibility:0M
 
 De Kalb Weather Forecast Summary  
 
Today
Dec 10th
Thursday
Dec 11th
Friday
Dec 12th
Saturday
Dec 13th
Sunday
Dec 14th
Mix of rain and snow Cloudy Cloudy Cloudy Cloudy
37°F
22°F
13°F
24°F
10°F
8°F
3°F
8°F
-2°F
 
 De Kalb Detailed Weather Forecast  
 
Wednesday, December 10th, 2025
Morning Temperature: 28°F
Cloudy with a chance of flurries. Windy.
Afternoon Temperature: 24°F
Mostly cloudy. Windy at times.
Evening Temperature: 19°F
Cloudy. Windy at times.
Thursday, December 11th, 2025
Overnight Temperature: 14°F
Clear with cloudy periods. Windy at times.
Morning Temperature: 17°F
Cloudy.
Afternoon Temperature: 20°F
Cloudy.
Evening Temperature: 21°F
Cloudy with a chance of flurries.
Friday, December 12th, 2025
Overnight Temperature: 19°F
Cloudy with a chance of flurries.
Morning Temperature: 22°F
Cloudy.
Afternoon Temperature: 21°F
Cloudy with sunny periods. Windy at times.
Evening Temperature: 13°F
Cloudy. Windy.
Saturday, December 13th, 2025
Overnight Temperature: 6°F
Cloudy. Windy at times.
Morning Temperature: 6°F
Cloudy. Windy at times.
Afternoon Temperature: 7°F
Cloudy. Windy at times.
Evening Temperature: 5°F
Cloudy with a slight chance of flurries. Windy at times.
Sunday, December 14th, 2025
Overnight Temperature: -1°F
Clear. Windy at times.
Morning Temperature: 4°F
Sunny. Windy at times.
Afternoon Temperature: 3°F
Sunny.
Evening Temperature: 3°F
Cloudy.
Monday, December 15th, 2025
Overnight Temperature: 5°F
A mix of cloudy and clear skies.
Morning Temperature: 13°F
Cloudy. Windy at times.
Afternoon Temperature: 16°F
A mix of cloud and sun. Windy at times.
Evening Temperature: 15°F
Cloudy.
Tuesday, December 16th, 2025
Overnight Temperature: 16°F
Cloudy.
Morning Temperature: 28°F
Sunny.
Afternoon Temperature: 32°F
Cloudy. Windy at times.
Evening Temperature: 34°F
Cloudy. Windy at times.
Wednesday, December 17th, 2025
Overnight Temperature: 35°F
Cloudy with flurries or showers likely. Risk of freezing rain. Windy at times.
Morning Temperature: 37°F
Cloudy with a few showers. Showers possibly mixed with wet flurries. Windy at times.
Afternoon Temperature: 38°F
Cloudy with a chance of showers. Showers possibly mixed with wet flurries. Windy at times.
Evening Temperature: 35°F
Cloudy. Windy at times.
Thursday, December 18th, 2025
Overnight Temperature: 33°F
Cloudy.
Morning Temperature: 38°F
Cloudy. Windy at times.
Afternoon Temperature: 39°F
Sunny. Windy at times.
Evening Temperature: 33°F
Cloudy. Windy at times.





 

  [ Local Weather Report ]
Dekalb, IL 
4:55 AM  36°F
moderate drizzle
 
Sycamore, IL 
4:55 AM  36°F
moderate drizzle
 
Genoa, IL 
 
Rochelle, IL 
 
Sandwich, IL 
 
Batavia, IL 
4:52 AM  36°F
mist
 
Geneva, IL 
4:52 AM  36°F
mist
 
Plano, IL 
 
Marengo, IL 
 
Aurora, IL 

 
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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