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

72°F

22°C

Humidity 85%
Wind Speed W 8 mph
Barometer 29.99 in
Dewpoint 67°F (19°C)
Visibility 7.00 mi
Last update 12 Jul 11:15 pm CDT
Extended Forecast for

De Kalb IL

  • Tonight

    Tonight: Mostly clear, with a low around 61. West northwest wind around 5 mph.

    Low: 61 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 82. Calm wind becoming west around 5 mph in the morning.

    High: 82 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 63. West northwest wind around 5 mph becoming calm in the evening.

    Low: 63 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 87. Southwest wind 5 to 10 mph.

    High: 87 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 68. Southwest wind around 5 mph becoming calm.

    Low: 68 °F

    Mostly Clear

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 85.

    High: 85 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A slight chance of showers and thunderstorms, then a chance of showers after 1am. Mostly cloudy, with a low around 69. Chance of precipitation is 30%.

    Low: 69 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 85.

    High: 85 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 66.

    Low: 66 °F

    Chance
    T-storms

Detailed Forecast

Tonight
Mostly clear, with a low around 61. West northwest wind around 5 mph.
Sunday
Mostly sunny, with a high near 82. Calm wind becoming west around 5 mph in the morning.
Sunday Night
Mostly clear, with a low around 63. West northwest wind around 5 mph becoming calm in the evening.
Monday
Sunny, with a high near 87. Southwest wind 5 to 10 mph.
Monday Night
Mostly clear, with a low around 68. Southwest wind around 5 mph becoming calm.
Tuesday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 85.
Tuesday Night
A slight chance of showers and thunderstorms, then a chance of showers after 1am. Mostly cloudy, with a low around 69. Chance of precipitation is 30%.
Wednesday
A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 85.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 66.
Thursday
A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 81.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 62.
Friday
Mostly cloudy, with a high near 79.
Friday Night
Partly cloudy, with a low around 62.
Saturday
Partly sunny, with a high near 81.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
De Kalb IL
 41.94°N 88.76°W
Last Update:
7:41 pm CDT Jul 12, 2025
Forecast Valid:
11pm CDT Jul 12, 2025-6pm CDT Jul 19, 2025
 
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