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 96%
Wind Speed S 17 mph
Barometer 29.97 in
Dewpoint 19°F (-7°C)
Visibility 7.00 mi
Wind Chill5°F (-15°C)
Last update 3 Dec 12:35 am CST
Extended Forecast for

De Kalb IL

  • Overnight

    Overnight: Patchy blowing snow. Cloudy, with a low around 20. South southwest wind around 15 mph, with gusts as high as 25 mph.

    Low: 20 °F

    Patchy
    Blowing Snow

  • Wednesday

    Wednesday: A chance of snow showers between 10am and 3pm. Patchy blowing snow before 9am. Cloudy, with a high near 31. South southwest wind 10 to 15 mph becoming north northwest in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 30%.

    High: 31 °F

    Chance Snow
    Showers and
    Patchy
    Blowing Snow

  • Wednesday Night

    Wednesday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around -3. Wind chill values as low as -17. North northwest wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: -3 °F

    Decreasing
    Clouds

  • Thursday

    Thursday: Sunny and cold, with a high near 10. Wind chill values as low as -17. North northwest wind around 5 mph becoming south southwest in the afternoon. Winds could gust as high as 15 mph.

    High: 10 °F

    Cold

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around -8. South wind 5 to 10 mph, with gusts as high as 15 mph.

    Low: -8 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 22.

    High: 22 °F

    Partly Sunny

  • Friday Night

    Friday Night: A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 13.

    Low: 13 °F

    Slight Chance
    Snow then
    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 24.

    High: 24 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: A chance of snow. Mostly cloudy, with a low around 13.

    Low: 13 °F

    Chance Snow

Detailed Forecast

Overnight
Patchy blowing snow. Cloudy, with a low around 20. South southwest wind around 15 mph, with gusts as high as 25 mph.
Wednesday
A chance of snow showers between 10am and 3pm. Patchy blowing snow before 9am. Cloudy, with a high near 31. South southwest wind 10 to 15 mph becoming north northwest in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 30%.
Wednesday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around -3. Wind chill values as low as -17. North northwest wind 10 to 15 mph, with gusts as high as 20 mph.
Thursday
Sunny and cold, with a high near 10. Wind chill values as low as -17. North northwest wind around 5 mph becoming south southwest in the afternoon. Winds could gust as high as 15 mph.
Thursday Night
Partly cloudy, with a low around -8. South wind 5 to 10 mph, with gusts as high as 15 mph.
Friday
Partly sunny, with a high near 22.
Friday Night
A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 13.
Saturday
Mostly cloudy, with a high near 24.
Saturday Night
A chance of snow. Mostly cloudy, with a low around 13.
Sunday
A chance of snow. Mostly cloudy, with a high near 23.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 7.
Monday
Partly sunny, with a high near 24.
Monday Night
A chance of snow. Mostly cloudy, with a low around 16.
Tuesday
Mostly cloudy, with a high near 29.
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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:
12:26 am CST Dec 3, 2025
Forecast Valid:
12am CST Dec 3, 2025-6pm CST Dec 9, 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