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December 27th, 2025 :: 5:33 pm CST   

Local Weather Report for
De Kalb
Illinois, United States

 Current De Kalb Weather Conditions Updated December 27th at 3:55 pm 
mist
Temperature:41°F Dew Point:41°F
Barometer:29.89 inHg Wind:calm
Humidity:100.0% Visibility:0M
 
 De Kalb Weather Forecast Summary  
 
Today
Dec 27th
Sunday
Dec 28th
Monday
Dec 29th
Tuesday
Dec 30th
Wednesday
Dec 31st
Cloudy Mix of rain and snow Cloudy Cloudy Flurries
45°F
53°F
20°F
22°F
14°F
24°F
12°F
27°F
16°F
 
 De Kalb Detailed Weather Forecast  
 
Saturday, December 27th, 2025
Evening Temperature: 45°F
Cloudy. Windy at times.
Sunday, December 28th, 2025
Overnight Temperature: 48°F
Cloudy.
Morning Temperature: 52°F
Cloudy with showers. Windy at times.
Afternoon Temperature: 45°F
Cloudy with a few showers. Wind 20 to 30 mph.
Evening Temperature: 24°F
Cloudy. Wind 25 to 40 mph.
Monday, December 29th, 2025
Overnight Temperature: 16°F
Cloudy with a chance of flurries. Wind 25 to 40 mph.
Morning Temperature: 19°F
Cloudy with a chance of flurries. Wind 20 to 30 mph.
Afternoon Temperature: 17°F
Cloudy. Windy.
Evening Temperature: 14°F
Cloudy. Windy.
Tuesday, December 30th, 2025
Overnight Temperature: 12°F
Clear. Windy at times.
Morning Temperature: 18°F
Cloudy. Windy at times.
Afternoon Temperature: 22°F
Mostly cloudy. Windy at times.
Evening Temperature: 24°F
Clear with cloudy periods. Windy.
Wednesday, December 31st, 2025
Overnight Temperature: 22°F
Cloudy. Windy at times.
Morning Temperature: 26°F
Cloudy. Windy at times.
Afternoon Temperature: 20°F
Cloudy with a chance of flurries. Windy at times.
Evening Temperature: 17°F
Cloudy with flurries likely. Windy at times.
Thursday, January 1st, 2026
Overnight Temperature: 11°F
Cloudy. Windy at times.
Morning Temperature: 7°F
Sunny with cloudy periods. Windy.
Afternoon Temperature: 3°F
Sunny. Windy at times.
Evening Temperature: 0°F
Clear. Windy at times.
Friday, January 2nd, 2026
Overnight Temperature: -2°F
Clear. Windy at times.
Morning Temperature: 3°F
Sunny. Windy at times.
Afternoon Temperature: 4°F
Sunny.
Evening Temperature: 3°F
Clear.
Saturday, January 3rd, 2026
Overnight Temperature: 5°F
Cloudy.
Morning Temperature: 15°F
Cloudy. Windy at times.
Afternoon Temperature: 21°F
Cloudy. Windy at times.
Evening Temperature: 24°F
Cloudy. Windy at times.
Sunday, January 4th, 2026
Overnight Temperature: 23°F
Clear. Windy at times.
Morning Temperature: 31°F
Cloudy. Windy at times.
Afternoon Temperature: 31°F
Cloudy.
Evening Temperature: 33°F
Cloudy. Windy at times.





 

  [ Local Weather Report ]
Dekalb, IL 
3:55 PM  41°F
mist
 
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3:55 PM  41°F
mist
 
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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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