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January 13th, 2026 :: 2:45 am CST   

Local Weather Report for
Dekalb
Illinois, United States

 Current Dekalb Weather Conditions Updated January 13th at 1:55 am 
Temperature:32°F Dew Point:30°F
Barometer:29.89 inHg Wind:calm
Humidity:93.0% Visibility:0M
 
 Dekalb Weather Forecast Summary  
 
Today
Jan 13th
Wednesday
Jan 14th
Thursday
Jan 15th
Friday
Jan 16th
Saturday
Jan 17th
Cloudy Cloudy Flurries Flurries Cloudy
45°F
35°F
17°F
24°F
14°F
32°F
17°F
18°F
11°F
 
 Dekalb Detailed Weather Forecast  
 
Tuesday, January 13th, 2026
Overnight Temperature: 35°F
Cloudy. Windy at times.
Morning Temperature: 42°F
Cloudy. Windy.
Afternoon Temperature: 39°F
A mix of cloud and sun. Windy at times.
Evening Temperature: 37°F
Cloudy. Windy at times.
Wednesday, January 14th, 2026
Overnight Temperature: 30°F
Cloudy. Windy.
Morning Temperature: 21°F
Cloudy. Windy.
Afternoon Temperature: 20°F
Sunny. Windy.
Evening Temperature: 18°F
Cloudy. Windy at times.
Thursday, January 15th, 2026
Overnight Temperature: 15°F
Clear. Windy at times.
Morning Temperature: 20°F
Cloudy. Windy at times.
Afternoon Temperature: 22°F
A mix of cloud and sun. Windy at times.
Evening Temperature: 23°F
Cloudy with flurries likely. Windy.
Friday, January 16th, 2026
Overnight Temperature: 26°F
Cloudy with flurries likely. Windy at times.
Morning Temperature: 31°F
Cloudy with a chance of flurries or showers. Windy.
Afternoon Temperature: 29°F
A mix of cloud and sun with a slight chance of flurries. Windy at times.
Evening Temperature: 21°F
Cloudy. Windy at times.
Saturday, January 17th, 2026
Overnight Temperature: 14°F
Cloudy. Windy at times.
Morning Temperature: 14°F
Cloudy with a chance of flurries. Windy.
Afternoon Temperature: 18°F
Cloudy with a chance of flurries. Windy.
Evening Temperature: 12°F
Cloudy with a slight chance of flurries. Windy.
Sunday, January 18th, 2026
Overnight Temperature: 4°F
Cloudy. Windy at times.
Morning Temperature: 6°F
Cloudy. Windy at times.
Afternoon Temperature: 10°F
Cloudy.
Evening Temperature: 9°F
Cloudy.
Monday, January 19th, 2026
Overnight Temperature: 12°F
Cloudy.
Morning Temperature: 20°F
Cloudy. Windy at times.
Afternoon Temperature: 16°F
Sunny. Windy.
Evening Temperature: 11°F
A mix of cloudy and clear skies. Windy at times.
Tuesday, January 20th, 2026
Overnight Temperature: 4°F
Clear. Windy at times.
Morning Temperature: 7°F
A mix of cloud and sun. Windy at times.
Afternoon Temperature: 10°F
Cloudy.
Evening Temperature: 13°F
Cloudy. Windy at times.
Wednesday, January 21st, 2026
Overnight Temperature: 15°F
Cloudy. Windy at times.
Morning Temperature: 23°F
Cloudy. Windy at times.
Afternoon Temperature: 26°F
Cloudy.
Evening Temperature: 23°F
Cloudy.





 

  [ Local Weather Report ]
De Kalb, IL 
1:55 AM  32°F
 
 
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1:55 AM  32°F
 
 
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1:52 AM  30°F
 
 
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1:52 AM  30°F
 
 
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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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