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

  • Tonight

    Tonight: Mostly cloudy, with a low around 20. Southeast wind 5 to 10 mph, with gusts as high as 15 mph.

    Low: 20 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 41. South wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 41 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 32. South wind around 10 mph becoming west northwest after midnight. Winds could gust as high as 20 mph.

    Low: 32 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 43. Northwest wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 43 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 24. North northwest wind around 10 mph, with gusts as high as 15 mph.

    Low: 24 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 38.

    High: 38 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 23.

    Low: 23 °F

    Mostly Cloudy

  • Thursday

    Thursday: A chance of snow after noon. Cloudy, with a high near 37.

    High: 37 °F

    Cloudy then
    Chance Snow

  • Thursday Night

    Thursday Night: A chance of snow. Mostly cloudy, with a low around 24.

    Low: 24 °F

    Chance Snow

Detailed Forecast

Tonight
Mostly cloudy, with a low around 20. Southeast wind 5 to 10 mph, with gusts as high as 15 mph.
Monday
Partly sunny, with a high near 41. South wind 5 to 10 mph, with gusts as high as 15 mph.
Monday Night
Mostly cloudy, with a low around 32. South wind around 10 mph becoming west northwest after midnight. Winds could gust as high as 20 mph.
Tuesday
Partly sunny, with a high near 43. Northwest wind 10 to 15 mph, with gusts as high as 20 mph.
Tuesday Night
Partly cloudy, with a low around 24. North northwest wind around 10 mph, with gusts as high as 15 mph.
Wednesday
Mostly sunny, with a high near 38.
Wednesday Night
Mostly cloudy, with a low around 23.
Thursday
A chance of snow after noon. Cloudy, with a high near 37.
Thursday Night
A chance of snow. Mostly cloudy, with a low around 24.
Friday
Partly sunny, with a high near 40.
Friday Night
Partly cloudy, with a low around 25.
Saturday
A chance of rain. Mostly sunny, with a high near 40.
Saturday Night
A chance of rain and snow. Mostly cloudy, with a low around 27.
Sunday
Partly sunny, with a high near 40.
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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:
5:00 pm CST Feb 8, 2026
Forecast Valid:
5pm CST Feb 8, 2026-6pm CST Feb 15, 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