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 91%
Wind Speed S 8 mph
Barometer 29.90 in
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 12 Oct 6:35 am CDT
Extended Forecast for

De Kalb IL

  • Columbus Day

    Columbus Day: Mostly sunny, with a high near 86. South southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 86 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 69. West southwest wind around 15 mph, with gusts as high as 25 mph.

    Low: 69 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 84. West wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 84 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Showers and possibly a thunderstorm. Low around 62. Northwest wind around 5 mph becoming north northeast after midnight. Chance of precipitation is 80%.

    Low: 62 °F

    Showers

  • Wednesday

    Wednesday: A 40 percent chance of showers, mainly before 1pm. Mostly cloudy, with a high near 72. Northeast wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 72 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A 40 percent chance of showers after 1am. Mostly cloudy, with a low around 54.

    Low: 54 °F

    Mostly Cloudy
    then Chance
    Showers

  • Thursday

    Thursday: Showers and possibly a thunderstorm. High near 68. Chance of precipitation is 80%.

    High: 68 °F

    Showers

  • Thursday Night

    Thursday Night: A chance of showers before 1am. Mostly cloudy, with a low around 47.

    Low: 47 °F

    Chance
    Showers

  • Friday

    Friday: Partly sunny, with a high near 57. Breezy.

    High: 57 °F

    Partly Sunny
    and Breezy

Detailed Forecast

Columbus Day
Mostly sunny, with a high near 86. South southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Tonight
Mostly clear, with a low around 69. West southwest wind around 15 mph, with gusts as high as 25 mph.
Tuesday
Sunny, with a high near 84. West wind 10 to 15 mph, with gusts as high as 20 mph.
Tuesday Night
Showers and possibly a thunderstorm. Low around 62. Northwest wind around 5 mph becoming north northeast after midnight. Chance of precipitation is 80%.
Wednesday
A 40 percent chance of showers, mainly before 1pm. Mostly cloudy, with a high near 72. Northeast wind 5 to 10 mph, with gusts as high as 15 mph.
Wednesday Night
A 40 percent chance of showers after 1am. Mostly cloudy, with a low around 54.
Thursday
Showers and possibly a thunderstorm. High near 68. Chance of precipitation is 80%.
Thursday Night
A chance of showers before 1am. Mostly cloudy, with a low around 47.
Friday
Partly sunny, with a high near 57. Breezy.
Friday Night
Mostly clear, with a low around 34.
Saturday
Sunny, with a high near 56.
Saturday Night
Mostly clear, with a low around 37.
Sunday
Sunny, with a high near 63.
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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:
3:56 am CDT Oct 12, 2026
Forecast Valid:
6am CDT Oct 12, 2026-6pm CDT Oct 18, 2026
 
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