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

  • Overnight

    Overnight: Mostly clear, with a low around 27. West southwest wind around 5 mph, with gusts as high as 10 mph.

    Low: 27 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 56. Northwest wind 5 to 10 mph.

    High: 56 °F

    Sunny

  • Sunday Night

    Sunday Night: Increasing clouds, with a low around 35. Light and variable wind becoming south southwest 5 to 10 mph after midnight. Winds could gust as high as 15 mph.

    Low: 35 °F

    Increasing
    Clouds

  • Washington's Birthday

    Washington's Birthday: Mostly sunny, with a high near 62. Breezy, with a southwest wind 10 to 20 mph, with gusts as high as 30 mph.

    High: 62 °F

    Mostly Sunny
    then Sunny
    and Breezy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 38. South southwest wind around 5 mph becoming east southeast after midnight. Winds could gust as high as 15 mph.

    Low: 38 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 56.

    High: 56 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: A chance of rain, then rain likely and possibly a thunderstorm after midnight. Mostly cloudy, with a low around 50. Breezy. Chance of precipitation is 60%.

    Low: 50 °F

    Chance Rain
    then Rain
    Likely and
    Breezy

  • Wednesday

    Wednesday: Sunny, with a high near 62. Breezy.

    High: 62 °F

    Sunny and
    Breezy

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 34.

    Low: 34 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly clear, with a low around 27. West southwest wind around 5 mph, with gusts as high as 10 mph.
Sunday
Sunny, with a high near 56. Northwest wind 5 to 10 mph.
Sunday Night
Increasing clouds, with a low around 35. Light and variable wind becoming south southwest 5 to 10 mph after midnight. Winds could gust as high as 15 mph.
Washington's Birthday
Mostly sunny, with a high near 62. Breezy, with a southwest wind 10 to 20 mph, with gusts as high as 30 mph.
Monday Night
Mostly cloudy, with a low around 38. South southwest wind around 5 mph becoming east southeast after midnight. Winds could gust as high as 15 mph.
Tuesday
Mostly cloudy, with a high near 56.
Tuesday Night
A chance of rain, then rain likely and possibly a thunderstorm after midnight. Mostly cloudy, with a low around 50. Breezy. Chance of precipitation is 60%.
Wednesday
Sunny, with a high near 62. Breezy.
Wednesday Night
Mostly clear, with a low around 34.
Thursday
A chance of rain after noon. Mostly sunny, with a high near 54.
Thursday Night
A chance of rain and snow. Mostly cloudy, with a low around 30.
Friday
A chance of snow. Partly sunny, with a high near 40.
Friday Night
Mostly cloudy, with a low around 22.
Saturday
Partly sunny, with a high near 36.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
De Kalb IL
 41.92°N 88.76°W
Last Update:
2:11 am CST Feb 15, 2026
Forecast Valid:
2am CST Feb 15, 2026-6pm CST Feb 21, 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