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

40°F

4°C

Humidity 75%
Wind Speed E 16 G 22 mph
Barometer 30.15 in
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Wind Chill32°F (0°C)
Last update 1 Apr 4:55 pm CDT
Extended Forecast for

De Kalb IL

  • Tonight

    Tonight: Showers and possibly a thunderstorm, mainly after 10pm. Low around 38. Breezy, with an east wind 15 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 38 °F

    Showers and
    Breezy

  • Thursday

    Thursday: Showers and possibly a thunderstorm before 1pm, then showers and thunderstorms after 1pm. High near 69. Breezy, with an east southeast wind 15 to 25 mph becoming south southwest in the afternoon. Winds could gust as high as 35 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 69 °F

    Breezy.
    Showers then
    T-storms

  • Thursday Night

    Thursday Night: Showers and thunderstorms, mainly before 10pm. Low around 45. Breezy, with a south southwest wind 20 to 25 mph becoming west 15 to 20 mph after midnight. Winds could gust as high as 35 mph. Chance of precipitation is 100%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 45 °F

    Breezy.
    T-storms then
    Scattered
    T-storms

  • Friday

    Friday: Scattered showers and thunderstorms after 1pm. Partly sunny, with a high near 62. West wind 5 to 10 mph becoming east southeast in the afternoon. Chance of precipitation is 30%.

    High: 62 °F

    Mostly Sunny
    then
    Scattered
    T-storms

  • Friday Night

    Friday Night: Showers and possibly a thunderstorm. Low around 47. East wind 10 to 15 mph becoming south after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 90%.

    Low: 47 °F

    Showers

  • Saturday

    Saturday: Scattered showers and thunderstorms, mainly before 1pm. Mostly cloudy, with a high near 53. Breezy. Chance of precipitation is 40%.

    High: 53 °F

    Scattered
    T-storms and
    Breezy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 33. Breezy.

    Low: 33 °F

    Mostly Cloudy
    and Breezy

  • Sunday

    Sunday: Partly sunny, with a high near 51. Breezy.

    High: 51 °F

    Partly Sunny
    and Breezy

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 33.

    Low: 33 °F

    Mostly Clear

Detailed Forecast

Tonight
Showers and possibly a thunderstorm, mainly after 10pm. Low around 38. Breezy, with an east wind 15 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Thursday
Showers and possibly a thunderstorm before 1pm, then showers and thunderstorms after 1pm. High near 69. Breezy, with an east southeast wind 15 to 25 mph becoming south southwest in the afternoon. Winds could gust as high as 35 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Thursday Night
Showers and thunderstorms, mainly before 10pm. Low around 45. Breezy, with a south southwest wind 20 to 25 mph becoming west 15 to 20 mph after midnight. Winds could gust as high as 35 mph. Chance of precipitation is 100%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday
Scattered showers and thunderstorms after 1pm. Partly sunny, with a high near 62. West wind 5 to 10 mph becoming east southeast in the afternoon. Chance of precipitation is 30%.
Friday Night
Showers and possibly a thunderstorm. Low around 47. East wind 10 to 15 mph becoming south after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 90%.
Saturday
Scattered showers and thunderstorms, mainly before 1pm. Mostly cloudy, with a high near 53. Breezy. Chance of precipitation is 40%.
Saturday Night
Mostly cloudy, with a low around 33. Breezy.
Sunday
Partly sunny, with a high near 51. Breezy.
Sunday Night
Mostly clear, with a low around 33.
Monday
Mostly sunny, with a high near 52.
Monday Night
Partly cloudy, with a low around 29.
Tuesday
Mostly sunny, with a high near 47.
Tuesday Night
Partly cloudy, with a low around 29.
Wednesday
Mostly sunny, with a high near 58.
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:
3:46 pm CDT Apr 1, 2026
Forecast Valid:
5pm CDT Apr 1, 2026-6pm CDT Apr 8, 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