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.

Mostly Cloudy

72°F

22°C

Humidity 59%
Wind Speed Calm
Barometer 30.15 in
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 29 Aug 3:55 pm CDT
Extended Forecast for

De Kalb IL

  • This Afternoon

    This Afternoon: Scattered showers, mainly after 5pm. Partly sunny, with a high near 74. Calm wind. Chance of precipitation is 30%.

    High: 74 °F

    Scattered
    Showers

  • Tonight

    Tonight: Scattered showers, mainly before 7pm. Mostly cloudy, with a low around 56. East southeast wind 5 to 10 mph. Chance of precipitation is 30%.

    Low: 56 °F

    Scattered
    Showers

  • Saturday

    Saturday: Isolated showers before 10am. Mostly cloudy, with a high near 72. Southeast wind around 5 mph, with gusts as high as 10 mph. Chance of precipitation is 20%.

    High: 72 °F

    Isolated
    Showers then
    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 54. East wind around 5 mph becoming calm in the evening.

    Low: 54 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 78. Calm wind becoming east around 5 mph in the afternoon.

    High: 78 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 53.

    Low: 53 °F

    Mostly Clear

  • Labor Day

    Labor Day: Sunny, with a high near 79.

    High: 79 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 54.

    Low: 54 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 80.

    High: 80 °F

    Sunny

Detailed Forecast

This Afternoon
Scattered showers, mainly after 5pm. Partly sunny, with a high near 74. Calm wind. Chance of precipitation is 30%.
Tonight
Scattered showers, mainly before 7pm. Mostly cloudy, with a low around 56. East southeast wind 5 to 10 mph. Chance of precipitation is 30%.
Saturday
Isolated showers before 10am. Mostly cloudy, with a high near 72. Southeast wind around 5 mph, with gusts as high as 10 mph. Chance of precipitation is 20%.
Saturday Night
Partly cloudy, with a low around 54. East wind around 5 mph becoming calm in the evening.
Sunday
Sunny, with a high near 78. Calm wind becoming east around 5 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 53.
Labor Day
Sunny, with a high near 79.
Monday Night
Mostly clear, with a low around 54.
Tuesday
Sunny, with a high near 80.
Tuesday Night
Partly cloudy, with a low around 56.
Wednesday
Scattered showers. Partly sunny, with a high near 72.
Wednesday Night
Scattered showers. Partly cloudy, with a low around 45.
Thursday
Mostly sunny, with a high near 64.
Thursday Night
Partly cloudy, with a low around 44.
Friday
Mostly sunny, with a high near 69.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
De Kalb IL
 41.92°N 88.76°W
Last Update:
4:12 pm CDT Aug 29, 2025
Forecast Valid:
4pm CDT Aug 29, 2025-6pm CDT Sep 5, 2025
 
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