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.

Partly Cloudy

69°F

21°C

Humidity 76%
Wind Speed NW 6 mph
Barometer 29.96 in
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 25 Jun 8:55 am CDT
Extended Forecast for

De Kalb IL

  • Today

    Today: Mostly sunny, with a high near 78. West northwest wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 78 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 57. North northwest wind around 5 mph becoming east after midnight.

    Low: 57 °F

    Mostly Cloudy

  • Friday

    Friday: A 30 percent chance of showers, mainly between 11am and 3pm. Mostly cloudy, with a high near 74. East wind around 10 mph, with gusts as high as 20 mph.

    High: 74 °F

    Chance
    Showers

  • Friday Night

    Friday Night: A 10 percent chance of showers before 7pm. Mostly cloudy, with a low around 58. East northeast wind 5 to 10 mph, with gusts as high as 15 mph.

    Low: 58 °F

    Slight Chance
    Showers then
    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 81. East wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 81 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A 40 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 65.

    Low: 65 °F

    Partly Cloudy
    then Chance
    T-storms

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 88.

    High: 88 °F

    Slight Chance
    T-storms

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 74.

    Low: 74 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 92.

    High: 92 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 78. West northwest wind 5 to 10 mph, with gusts as high as 15 mph.
Tonight
Mostly cloudy, with a low around 57. North northwest wind around 5 mph becoming east after midnight.
Friday
A 30 percent chance of showers, mainly between 11am and 3pm. Mostly cloudy, with a high near 74. East wind around 10 mph, with gusts as high as 20 mph.
Friday Night
A 10 percent chance of showers before 7pm. Mostly cloudy, with a low around 58. East northeast wind 5 to 10 mph, with gusts as high as 15 mph.
Saturday
Mostly sunny, with a high near 81. East wind 5 to 10 mph, with gusts as high as 15 mph.
Saturday Night
A 40 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 65.
Sunday
A 20 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 88.
Sunday Night
Partly cloudy, with a low around 74.
Monday
Mostly sunny, with a high near 92.
Monday Night
Mostly clear, with a low around 76.
Tuesday
Mostly sunny, with a high near 94.
Tuesday Night
Mostly clear, with a low around 74.
Wednesday
Mostly sunny, with a high near 93.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
De Kalb IL
 41.94°N 88.76°W
Last Update:
8:21 am CDT Jun 25, 2026
Forecast Valid:
9am CDT Jun 25, 2026-6pm CDT Jul 1, 2026
 
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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