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

45°F

7°C

Humidity 65%
Wind Speed SW 8 mph
Barometer 30.17 in
Dewpoint 33°F (1°C)
Visibility 10.00 mi
Wind Chill41°F (5°C)
Last update 5 Apr 9:35 pm CDT
Extended Forecast for

De Kalb IL

  • Tonight

    Tonight: Showers, mainly before 2am. Low around 34. West southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 34 °F

    Showers

  • Monday

    Monday: Partly sunny, with a high near 48. Breezy, with a northwest wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 48 °F

    Partly Sunny
    then Mostly
    Sunny and
    Breezy

  • Monday Night

    Monday Night: Partly cloudy, with a low around 24. North wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 24 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 43. Northeast wind around 5 mph becoming southeast in the afternoon. Winds could gust as high as 15 mph.

    High: 43 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A slight chance of rain and snow showers between 1am and 4am, then a slight chance of rain showers after 4am. Mostly cloudy, with a low around 33. East southeast wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.

    Low: 33 °F

    Mostly Cloudy
    then Slight
    Chance
    Rain/Snow

  • Wednesday

    Wednesday: Partly sunny, with a high near 65. Breezy.

    High: 65 °F

    Partly Sunny
    and Breezy

  • Wednesday Night

    Wednesday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 52. Breezy.

    Low: 52 °F

    Chance
    Showers and
    Breezy

  • Thursday

    Thursday: A chance of showers. Partly sunny, with a high near 67.

    High: 67 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: A chance of showers. Mostly cloudy, with a low around 44.

    Low: 44 °F

    Chance
    Showers

Detailed Forecast

Tonight
Showers, mainly before 2am. Low around 34. West southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Monday
Partly sunny, with a high near 48. Breezy, with a northwest wind 15 to 20 mph, with gusts as high as 30 mph.
Monday Night
Partly cloudy, with a low around 24. North wind 10 to 15 mph, with gusts as high as 20 mph.
Tuesday
Mostly sunny, with a high near 43. Northeast wind around 5 mph becoming southeast in the afternoon. Winds could gust as high as 15 mph.
Tuesday Night
A slight chance of rain and snow showers between 1am and 4am, then a slight chance of rain showers after 4am. Mostly cloudy, with a low around 33. East southeast wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Wednesday
Partly sunny, with a high near 65. Breezy.
Wednesday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 52. Breezy.
Thursday
A chance of showers. Partly sunny, with a high near 67.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 44.
Friday
A chance of showers. Partly sunny, with a high near 61.
Friday Night
A chance of showers. Mostly cloudy, with a low around 42.
Saturday
A chance of showers. Partly sunny, with a high near 63.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 51.
Sunday
Showers likely. Mostly cloudy, with a high near 74.
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:
9:41 pm CDT Apr 5, 2026
Forecast Valid:
9pm CDT Apr 5, 2026-6pm CDT Apr 12, 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