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.

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update *** Not a current observation ***
Extended Forecast for

De Kalb IL

  • Overnight

    Overnight: Mostly clear, with a low around 23. West wind around 10 mph, with gusts as high as 25 mph.

    Low: 23 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 34. West northwest wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 34 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 18. West northwest wind 5 to 10 mph becoming light north northwest after midnight. Winds could gust as high as 15 mph.

    Low: 18 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 42. Light and variable wind becoming southwest 5 to 10 mph in the morning. Winds could gust as high as 15 mph.

    High: 42 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 28. Southwest wind 5 to 10 mph.

    Low: 28 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 59. Breezy.

    High: 59 °F

    Sunny then
    Sunny and
    Breezy

  • Friday Night

    Friday Night: Mostly clear, with a low around 28.

    Low: 28 °F

    Mostly Clear

  • Saturday

    Saturday: A chance of snow after noon. Mostly cloudy, with a high near 37.

    High: 37 °F

    Mostly Cloudy
    then Chance
    Snow

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 17.

    Low: 17 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 23. West wind around 10 mph, with gusts as high as 25 mph.
Wednesday
Sunny, with a high near 34. West northwest wind 10 to 15 mph, with gusts as high as 20 mph.
Wednesday Night
Partly cloudy, with a low around 18. West northwest wind 5 to 10 mph becoming light north northwest after midnight. Winds could gust as high as 15 mph.
Thursday
Mostly sunny, with a high near 42. Light and variable wind becoming southwest 5 to 10 mph in the morning. Winds could gust as high as 15 mph.
Thursday Night
Mostly clear, with a low around 28. Southwest wind 5 to 10 mph.
Friday
Sunny, with a high near 59. Breezy.
Friday Night
Mostly clear, with a low around 28.
Saturday
A chance of snow after noon. Mostly cloudy, with a high near 37.
Saturday Night
Mostly cloudy, with a low around 17.
Sunday
A chance of snow after noon. Partly sunny, with a high near 32.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 20.
Monday
Partly sunny, with a high near 34.
Monday Night
Mostly cloudy, with a low around 19.
Tuesday
A chance of rain and snow. Partly sunny, with a high near 38.
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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:
12:20 am CST Feb 25, 2026
Forecast Valid:
12am CST Feb 25, 2026-6pm CST Mar 3, 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