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.

Overcast

33°F

1°C

Humidity 92%
Wind Speed S 10 mph
Barometer 30.04 in
Dewpoint 31°F (-1°C)
Visibility 7.00 mi
Wind Chill25°F (-4°C)
Last update 19 Mar 4:55 am CDT
Extended Forecast for

De Kalb IL

  • Today

    Today: Sunny, with a high near 56. Southeast wind around 5 mph.

    High: 56 °F

    Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 40. East wind 5 to 10 mph becoming southwest after midnight. Winds could gust as high as 15 mph.

    Low: 40 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 61. West southwest wind around 10 mph becoming northwest in the afternoon. Winds could gust as high as 20 mph.

    High: 61 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 38. North northwest wind around 5 mph becoming east after midnight. Winds could gust as high as 10 mph.

    Low: 38 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 64. Southeast wind 5 to 10 mph becoming southwest in the afternoon. Winds could gust as high as 15 mph.

    High: 64 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 48.

    Low: 48 °F

    Mostly Clear

  • Sunday

    Sunday: A 20 percent chance of showers before 1pm. Mostly cloudy, with a high near 62. Breezy.

    High: 62 °F

    Slight Chance
    Showers and
    Breezy

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 28.

    Low: 28 °F

    Mostly Cloudy

  • Monday

    Monday: Sunny, with a high near 45.

    High: 45 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 56. Southeast wind around 5 mph.
Tonight
Mostly cloudy, with a low around 40. East wind 5 to 10 mph becoming southwest after midnight. Winds could gust as high as 15 mph.
Friday
Mostly cloudy, with a high near 61. West southwest wind around 10 mph becoming northwest in the afternoon. Winds could gust as high as 20 mph.
Friday Night
Mostly cloudy, with a low around 38. North northwest wind around 5 mph becoming east after midnight. Winds could gust as high as 10 mph.
Saturday
Mostly sunny, with a high near 64. Southeast wind 5 to 10 mph becoming southwest in the afternoon. Winds could gust as high as 15 mph.
Saturday Night
Mostly clear, with a low around 48.
Sunday
A 20 percent chance of showers before 1pm. Mostly cloudy, with a high near 62. Breezy.
Sunday Night
Mostly cloudy, with a low around 28.
Monday
Sunny, with a high near 45.
Monday Night
Mostly cloudy, with a low around 29.
Tuesday
Mostly cloudy, with a high near 52.
Tuesday Night
Mostly cloudy, with a low around 33.
Wednesday
Mostly cloudy, with a high near 58.
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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:
4:36 am CDT Mar 19, 2026
Forecast Valid:
5am CDT Mar 19, 2026-6pm CDT Mar 25, 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