National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

De Kalb Taylor Municipal Airport (KDKB)

Lat: 41.93°NLon: 88.71°WElev: 909ft.

Fair

55°F

13°C

Humidity 97%
Wind Speed SW 14 mph
Barometer 29.59 in
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Wind Chill51°F (11°C)
Last update 15 Nov 5:35 am CST
Extended Forecast for

De Kalb IL

  • Today

    Today: Mostly cloudy, then gradually becoming sunny, with a high near 68. Breezy, with a southwest wind 15 to 20 mph becoming northwest in the afternoon. Winds could gust as high as 30 mph.

    High: 68 °F

    Mostly Cloudy
    then Sunny
    and Breezy

  • Tonight

    Tonight: Mostly clear, with a low around 32. Northwest wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 32 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 48. Northwest wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 48 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 26. West northwest wind around 5 mph becoming calm after midnight. Winds could gust as high as 15 mph.

    Low: 26 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 47. Calm wind becoming east around 5 mph in the afternoon.

    High: 47 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Rain likely. Cloudy, with a low around 35. Chance of precipitation is 70%.

    Low: 35 °F

    Rain Likely

  • Tuesday

    Tuesday: A 40 percent chance of rain, mainly before noon. Mostly cloudy, with a high near 44.

    High: 44 °F

    Chance Rain

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 33.

    Low: 33 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 49.

    High: 49 °F

    Mostly Cloudy

Detailed Forecast

Today
Mostly cloudy, then gradually becoming sunny, with a high near 68. Breezy, with a southwest wind 15 to 20 mph becoming northwest in the afternoon. Winds could gust as high as 30 mph.
Tonight
Mostly clear, with a low around 32. Northwest wind 10 to 15 mph, with gusts as high as 25 mph.
Sunday
Sunny, with a high near 48. Northwest wind 10 to 15 mph, with gusts as high as 20 mph.
Sunday Night
Mostly clear, with a low around 26. West northwest wind around 5 mph becoming calm after midnight. Winds could gust as high as 15 mph.
Monday
Mostly sunny, with a high near 47. Calm wind becoming east around 5 mph in the afternoon.
Monday Night
Rain likely. Cloudy, with a low around 35. Chance of precipitation is 70%.
Tuesday
A 40 percent chance of rain, mainly before noon. Mostly cloudy, with a high near 44.
Tuesday Night
Mostly cloudy, with a low around 33.
Wednesday
Mostly cloudy, with a high near 49.
Wednesday Night
A chance of rain after midnight. Mostly cloudy, with a low around 36.
Thursday
Rain likely. Mostly cloudy, with a high near 52.
Thursday Night
Rain likely. Mostly cloudy, with a low around 41.
Friday
A chance of rain. Mostly cloudy, with a high near 53.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
De Kalb IL
 41.92°N 88.76°W
Last Update:
3:46 am CST Nov 15, 2025
Forecast Valid:
5am CST Nov 15, 2025-6pm CST Nov 21, 2025
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation