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

Hazardous Weather Conditions

Current conditions at

De Kalb Taylor Municipal Airport (KDKB)

Lat: 41.93°NLon: 88.71°WElev: 909ft.

Fair

-1°F

-18°C

Humidity 79%
Wind Speed Calm
Barometer 30.19 in
Dewpoint -6°F (-21°C)
Visibility 10.00 mi
Last update 4 Dec 9:55 pm CST
Extended Forecast for

De Kalb IL

  • Tonight

    Tonight: Patchy freezing fog after 11pm. Increasing clouds, with a temperature rising to around 6 by 5am. Wind chill values as low as -16. South wind 5 to 10 mph, with gusts as high as 15 mph.

    Low: -4 °F⇑

    Patchy
    Freezing Fog

  • Friday

    Friday: Mostly sunny, with a high near 27. Wind chill values as low as -8. South southwest wind around 10 mph, with gusts as high as 20 mph.

    High: 27 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Patchy snow and freezing rain before midnight. Mostly cloudy, with a steady temperature around 26. South southwest wind around 10 mph becoming west northwest after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 30%.

    Low: 26 °F

    Patchy Wintry
    Mix then
    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 26. West northwest wind 5 to 10 mph becoming light and variable in the afternoon.

    High: 26 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Snow likely, mainly after midnight. Mostly cloudy, with a low around 15. Calm wind becoming north northeast around 5 mph after midnight. Winds could gust as high as 15 mph. Chance of precipitation is 60%.

    Low: 15 °F

    Chance Snow
    then Snow
    Likely

  • Sunday

    Sunday: A 40 percent chance of snow before noon. Partly sunny, with a high near 21.

    High: 21 °F

    Chance Snow
    then Partly
    Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 0.

    Low: 0 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 20.

    High: 20 °F

    Partly Sunny

  • Monday Night

    Monday Night: Snow likely, mainly before midnight. Mostly cloudy, with a low around 12.

    Low: 12 °F

    Snow Likely

Detailed Forecast

Tonight
Patchy freezing fog after 11pm. Increasing clouds, with a temperature rising to around 6 by 5am. Wind chill values as low as -16. South wind 5 to 10 mph, with gusts as high as 15 mph.
Friday
Mostly sunny, with a high near 27. Wind chill values as low as -8. South southwest wind around 10 mph, with gusts as high as 20 mph.
Friday Night
Patchy snow and freezing rain before midnight. Mostly cloudy, with a steady temperature around 26. South southwest wind around 10 mph becoming west northwest after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 30%.
Saturday
Partly sunny, with a high near 26. West northwest wind 5 to 10 mph becoming light and variable in the afternoon.
Saturday Night
Snow likely, mainly after midnight. Mostly cloudy, with a low around 15. Calm wind becoming north northeast around 5 mph after midnight. Winds could gust as high as 15 mph. Chance of precipitation is 60%.
Sunday
A 40 percent chance of snow before noon. Partly sunny, with a high near 21.
Sunday Night
Mostly cloudy, with a low around 0.
Monday
Partly sunny, with a high near 20.
Monday Night
Snow likely, mainly before midnight. Mostly cloudy, with a low around 12.
Tuesday
Mostly cloudy, with a high near 30.
Tuesday Night
Snow likely. Cloudy, with a low around 20.
Wednesday
Snow likely. Mostly cloudy, with a high near 32.
Wednesday Night
A chance of snow. Mostly cloudy, with a low around 9.
Thursday
Partly sunny, with a high near 21.
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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:
9:16 pm CST Dec 4, 2025
Forecast Valid:
10pm CST Dec 4, 2025-6pm CST Dec 11, 2025
 
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Additional Resources

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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