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.

Light Snow

15°F

-9°C

Humidity 93%
Wind Speed Calm
Barometer 30.04 in
Dewpoint 14°F (-10°C)
Visibility 2.00 mi
Last update 2 Dec 10:55 am CST
Extended Forecast for

De Kalb IL

  • Today

    Today: Mostly cloudy, with a high near 22. Southwest wind 5 to 10 mph.

    High: 22 °F

    Mostly Cloudy

  • Tonight

    Tonight: Mostly cloudy, with a temperature rising to around 23 by 4am. South southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 18 °F⇑

    Mostly Cloudy

  • Wednesday

    Wednesday: Snow likely, mainly after noon. Cloudy, with a high near 32. Southwest wind 10 to 15 mph becoming north northwest in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 32 °F

    Snow Likely

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around -3. Wind chill values as low as -17. North northwest wind around 10 mph, with gusts as high as 20 mph.

    Low: -3 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny and cold, with a high near 8. North northwest wind 5 to 10 mph becoming southwest in the afternoon.

    High: 8 °F

    Cold

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around -4.

    Low: -4 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 23.

    High: 23 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 14.

    Low: 14 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 25.

    High: 25 °F

    Mostly Cloudy

Detailed Forecast

Today
Mostly cloudy, with a high near 22. Southwest wind 5 to 10 mph.
Tonight
Mostly cloudy, with a temperature rising to around 23 by 4am. South southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Wednesday
Snow likely, mainly after noon. Cloudy, with a high near 32. Southwest wind 10 to 15 mph becoming north northwest in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Wednesday Night
Partly cloudy, with a low around -3. Wind chill values as low as -17. North northwest wind around 10 mph, with gusts as high as 20 mph.
Thursday
Sunny and cold, with a high near 8. North northwest wind 5 to 10 mph becoming southwest in the afternoon.
Thursday Night
Partly cloudy, with a low around -4.
Friday
Partly sunny, with a high near 23.
Friday Night
Mostly cloudy, with a low around 14.
Saturday
Mostly cloudy, with a high near 25.
Saturday Night
A chance of snow. Mostly cloudy, with a low around 10.
Sunday
Partly sunny, with a high near 22.
Sunday Night
Mostly cloudy, with a low around 6.
Monday
Mostly cloudy, with a high near 25.
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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:
9:31 am CST Dec 2, 2025
Forecast Valid:
11am CST Dec 2, 2025-6pm CST Dec 8, 2025
 
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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