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.

Overcast

20°F

-7°C

Humidity 75%
Wind Speed NA
Barometer 29.88 in
Dewpoint 13°F (-11°C)
Visibility 10.00 mi
Last update 2 Jan 3:35 am CST
Extended Forecast for

De Kalb IL

  • Today

    Today: Mostly cloudy, then gradually becoming sunny, with a high near 24. North northwest wind around 5 mph, with gusts as high as 10 mph.

    High: 24 °F

    Decreasing
    Clouds

  • Tonight

    Tonight: Mostly cloudy, with a low around 17. North wind around 5 mph.

    Low: 17 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 27. Calm wind becoming north northwest around 5 mph.

    High: 27 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 13. Northwest wind around 5 mph becoming calm after midnight.

    Low: 13 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 29. Calm wind becoming south southeast around 5 mph in the afternoon. Winds could gust as high as 10 mph.

    High: 29 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A slight chance of snow and freezing rain before 9pm, then a slight chance of freezing rain between 9pm and midnight. Mostly cloudy, with a low around 25. Chance of precipitation is 20%.

    Low: 25 °F

    Slight Chance
    Wintry Mix
    then Partly
    Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 41.

    High: 41 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 30.

    Low: 30 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 44.

    High: 44 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly cloudy, then gradually becoming sunny, with a high near 24. North northwest wind around 5 mph, with gusts as high as 10 mph.
Tonight
Mostly cloudy, with a low around 17. North wind around 5 mph.
Saturday
Partly sunny, with a high near 27. Calm wind becoming north northwest around 5 mph.
Saturday Night
Mostly clear, with a low around 13. Northwest wind around 5 mph becoming calm after midnight.
Sunday
Mostly sunny, with a high near 29. Calm wind becoming south southeast around 5 mph in the afternoon. Winds could gust as high as 10 mph.
Sunday Night
A slight chance of snow and freezing rain before 9pm, then a slight chance of freezing rain between 9pm and midnight. Mostly cloudy, with a low around 25. Chance of precipitation is 20%.
Monday
Mostly sunny, with a high near 41.
Monday Night
Mostly cloudy, with a low around 30.
Tuesday
Mostly sunny, with a high near 44.
Tuesday Night
Mostly cloudy, with a low around 28.
Wednesday
Partly sunny, with a high near 43.
Wednesday Night
Mostly cloudy, with a low around 32.
Thursday
A chance of rain. Mostly cloudy, with a high near 48.
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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:
2:56 am CST Jan 2, 2026
Forecast Valid:
4am CST Jan 2, 2026-6pm CST Jan 8, 2026
 
Forecast Discussion
 
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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