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

  • Today

    Today: Partly sunny, with a high near 43. East wind 5 to 10 mph becoming southwest in the afternoon. Winds could gust as high as 20 mph.

    High: 43 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 30. Southwest wind around 10 mph.

    Low: 30 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 62. Breezy, with a south southwest wind 10 to 15 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 35 mph.

    High: 62 °F

    Sunny and
    Breezy

  • Friday Night

    Friday Night: Partly cloudy, with a low around 27. West wind 10 to 15 mph becoming north northwest after midnight. Winds could gust as high as 25 mph.

    Low: 27 °F

    Partly Cloudy

  • Saturday

    Saturday: A 50 percent chance of snow, mainly after noon. Cloudy, with a high near 36. North northeast wind around 10 mph, with gusts as high as 20 mph.

    High: 36 °F

    Slight Chance
    Snow then
    Chance Snow

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 16.

    Low: 16 °F

    Partly Cloudy

  • Sunday

    Sunday: A 20 percent chance of snow after noon. Mostly cloudy, with a high near 30.

    High: 30 °F

    Partly Sunny
    then Slight
    Chance Snow

  • Sunday Night

    Sunday Night: A chance of snow before midnight. Mostly cloudy, with a low around 17.

    Low: 17 °F

    Chance Snow
    then Mostly
    Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 35.

    High: 35 °F

    Mostly Cloudy

Detailed Forecast

Today
Partly sunny, with a high near 43. East wind 5 to 10 mph becoming southwest in the afternoon. Winds could gust as high as 20 mph.
Tonight
Mostly clear, with a low around 30. Southwest wind around 10 mph.
Friday
Sunny, with a high near 62. Breezy, with a south southwest wind 10 to 15 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 35 mph.
Friday Night
Partly cloudy, with a low around 27. West wind 10 to 15 mph becoming north northwest after midnight. Winds could gust as high as 25 mph.
Saturday
A 50 percent chance of snow, mainly after noon. Cloudy, with a high near 36. North northeast wind around 10 mph, with gusts as high as 20 mph.
Saturday Night
Partly cloudy, with a low around 16.
Sunday
A 20 percent chance of snow after noon. Mostly cloudy, with a high near 30.
Sunday Night
A chance of snow before midnight. Mostly cloudy, with a low around 17.
Monday
Mostly cloudy, with a high near 35.
Monday Night
Mostly cloudy, with a low around 22.
Tuesday
A chance of rain. Mostly cloudy, with a high near 42.
Tuesday Night
Mostly cloudy, with a low around 26.
Wednesday
Mostly cloudy, with a high near 46.
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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:
4:26 am CST Feb 26, 2026
Forecast Valid:
7am CST Feb 26, 2026-6pm CST Mar 4, 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