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.

Overcast

30°F

-1°C

Humidity 90%
Wind Speed Calm
Barometer 29.93 in
Dewpoint 28°F (-2°C)
Visibility 7.00 mi
Last update 6 Dec 2:15 pm CST
Extended Forecast for

De Kalb IL

Winter Weather Advisory December 6, 09:00pm until December 7, 06:00am
Click here for hazard details and duration
Winter Weather Advisory

  • This Afternoon

    This Afternoon: Mostly cloudy, with a high near 30. Calm wind becoming south southeast around 5 mph.

    High: 30 °F

    Mostly Cloudy

  • Tonight

    Tonight: Snow, mainly after 10pm. The snow could be heavy at times. Low around 22. South southeast wind 5 to 10 mph becoming north northeast after midnight. Winds could gust as high as 15 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.

    Low: 22 °F

    Heavy Snow

  • Sunday

    Sunday: A 30 percent chance of snow before 9am. Cloudy through mid morning, then gradual clearing, with a temperature falling to around 12 by 5pm. Wind chill values as low as -1. North wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 23 °F⇓

    Chance Snow
    then Mostly
    Sunny

  • Sunday Night

    Sunday Night: Increasing clouds, with a low around 4. Wind chill values as low as -7. North wind 5 to 10 mph becoming light after midnight. Winds could gust as high as 15 mph.

    Low: 4 °F

    Increasing
    Clouds

  • Monday

    Monday: Partly sunny, with a high near 20. Light and variable wind becoming south 5 to 10 mph in the morning.

    High: 20 °F

    Partly Sunny

  • Monday Night

    Monday Night: A 30 percent chance of snow, mainly before midnight. Mostly cloudy, with a low around 12.

    Low: 12 °F

    Chance Snow

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 37.

    High: 37 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Rain. Cloudy, with a low around 32.

    Low: 32 °F

    Rain

  • Wednesday

    Wednesday: A chance of rain and snow before noon. Mostly cloudy, with a high near 35.

    High: 35 °F

    Chance
    Rain/Snow
    then Mostly
    Cloudy

Detailed Forecast

This Afternoon
Mostly cloudy, with a high near 30. Calm wind becoming south southeast around 5 mph.
Tonight
Snow, mainly after 10pm. The snow could be heavy at times. Low around 22. South southeast wind 5 to 10 mph becoming north northeast after midnight. Winds could gust as high as 15 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.
Sunday
A 30 percent chance of snow before 9am. Cloudy through mid morning, then gradual clearing, with a temperature falling to around 12 by 5pm. Wind chill values as low as -1. North wind 10 to 15 mph, with gusts as high as 20 mph.
Sunday Night
Increasing clouds, with a low around 4. Wind chill values as low as -7. North wind 5 to 10 mph becoming light after midnight. Winds could gust as high as 15 mph.
Monday
Partly sunny, with a high near 20. Light and variable wind becoming south 5 to 10 mph in the morning.
Monday Night
A 30 percent chance of snow, mainly before midnight. Mostly cloudy, with a low around 12.
Tuesday
Mostly cloudy, with a high near 37.
Tuesday Night
Rain. Cloudy, with a low around 32.
Wednesday
A chance of rain and snow before noon. Mostly cloudy, with a high near 35.
Wednesday Night
A chance of snow. Mostly cloudy, with a low around 15.
Thursday
A chance of snow. Mostly cloudy, with a high near 24.
Thursday Night
A chance of snow. Mostly cloudy, with a low around 6.
Friday
Partly sunny, with a high near 14.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
De Kalb IL
 41.92°N 88.76°W
Last Update:
1:51 pm CST Dec 6, 2025
Forecast Valid:
2pm CST Dec 6, 2025-6pm CST Dec 12, 2025
 
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