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

50°F

10°C

Humidity 31%
Wind Speed SE 5 mph
Barometer 30.22 in
Dewpoint 20°F (-7°C)
Visibility 10.00 mi
Wind Chill48°F (9°C)
Last update 24 Mar 6:35 pm CDT
Extended Forecast for

De Kalb IL

  • Tonight

    Tonight: Partly cloudy, with a low around 36. Southeast wind around 5 mph, with gusts as high as 10 mph.

    Low: 36 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 69. Breezy, with a south southwest wind 10 to 20 mph, with gusts as high as 25 mph.

    High: 69 °F

    Partly Sunny
    then Partly
    Sunny and
    Breezy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 52. South wind 5 to 10 mph, with gusts as high as 15 mph.

    Low: 52 °F

    Mostly Cloudy

  • Thursday

    Thursday: A chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 77. South southwest wind 5 to 15 mph becoming north northwest in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 50%.

    High: 77 °F

    Mostly Sunny
    then Chance
    Showers

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before 7pm, then a chance of showers between 7pm and 1am. Mostly cloudy, with a low around 30. Blustery, with a north northeast wind 15 to 20 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.

    Low: 30 °F

    Chance
    Showers and
    Blustery

  • Friday

    Friday: Mostly sunny, with a high near 45.

    High: 45 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 26.

    Low: 26 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 53.

    High: 53 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 35.

    Low: 35 °F

    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 36. Southeast wind around 5 mph, with gusts as high as 10 mph.
Wednesday
Partly sunny, with a high near 69. Breezy, with a south southwest wind 10 to 20 mph, with gusts as high as 25 mph.
Wednesday Night
Mostly cloudy, with a low around 52. South wind 5 to 10 mph, with gusts as high as 15 mph.
Thursday
A chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 77. South southwest wind 5 to 15 mph becoming north northwest in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 50%.
Thursday Night
A chance of showers and thunderstorms before 7pm, then a chance of showers between 7pm and 1am. Mostly cloudy, with a low around 30. Blustery, with a north northeast wind 15 to 20 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.
Friday
Mostly sunny, with a high near 45.
Friday Night
Mostly clear, with a low around 26.
Saturday
Sunny, with a high near 53.
Saturday Night
Partly cloudy, with a low around 35.
Sunday
Partly sunny, with a high near 60.
Sunday Night
Partly cloudy, with a low around 44.
Monday
Mostly sunny, with a high near 68.
Monday Night
A chance of showers. Mostly cloudy, with a low around 48.
Tuesday
A chance of showers. Mostly cloudy, with a high near 67.
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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:
6:21 pm CDT Mar 24, 2026
Forecast Valid:
6pm CDT Mar 24, 2026-6pm CDT Mar 31, 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