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.

Fair

60°F

16°C

Humidity 65%
Wind Speed SW 14 mph
Barometer 29.59 in
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 22 Mar 1:35 am CDT
Extended Forecast for

De Kalb IL

  • Overnight

    Overnight: Partly cloudy, with a low around 46. Southwest wind 10 to 15 mph becoming northwest. Winds could gust as high as 25 mph.

    Low: 46 °F

    Partly Cloudy

  • Sunday

    Sunday: A slight chance of rain between 1pm and 4pm. Mostly cloudy, with a temperature falling to around 41 by 5pm. Breezy, with a north northeast wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.

    High: 46 °F⇓

    Mostly Cloudy
    then Slight
    Chance Rain
    and Breezy

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 27. North northeast wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 27 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 46. North wind around 5 mph, with gusts as high as 10 mph.

    High: 46 °F

    Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 29. East wind around 5 mph becoming south southeast after midnight. Winds could gust as high as 15 mph.

    Low: 29 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 57.

    High: 57 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 40.

    Low: 40 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 59.

    High: 59 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 46.

    Low: 46 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a low around 46. Southwest wind 10 to 15 mph becoming northwest. Winds could gust as high as 25 mph.
Sunday
A slight chance of rain between 1pm and 4pm. Mostly cloudy, with a temperature falling to around 41 by 5pm. Breezy, with a north northeast wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.
Sunday Night
Partly cloudy, with a low around 27. North northeast wind 10 to 15 mph, with gusts as high as 25 mph.
Monday
Sunny, with a high near 46. North wind around 5 mph, with gusts as high as 10 mph.
Monday Night
Mostly cloudy, with a low around 29. East wind around 5 mph becoming south southeast after midnight. Winds could gust as high as 15 mph.
Tuesday
Partly sunny, with a high near 57.
Tuesday Night
Mostly cloudy, with a low around 40.
Wednesday
Mostly cloudy, with a high near 59.
Wednesday Night
Mostly cloudy, with a low around 46.
Thursday
A chance of showers. Partly sunny, with a high near 67.
Thursday Night
Mostly cloudy, with a low around 30.
Friday
Partly sunny, with a high near 44.
Friday Night
Mostly clear, with a low around 26.
Saturday
Sunny, with a high near 52.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
De Kalb IL
 41.92°N 88.76°W
Last Update:
1:21 am CDT Mar 22, 2026
Forecast Valid:
2am CDT Mar 22, 2026-6pm CDT Mar 28, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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