National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

De Kalb Taylor Municipal Airport (KDKB)

Lat: 41.93°NLon: 88.71°WElev: 909ft.

Mostly Cloudy

31°C

88°F

Humidity 44%
Wind Speed Calm
Barometer 30.03 in
Dewpoint 18°C (64°F)
Visibility 16 km
Heat Index32°C (89°F)
Last update 3 Jul 2:15 pm CDT
Extended Forecast for

De Kalb IL

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 32. West southwest wind around 10 km/h.

    High: 32 °C

    Mostly Sunny

  • Tonight

    Tonight: A slight chance of showers and thunderstorms before 9pm, then a slight chance of showers and thunderstorms after 4am. Partly cloudy, with a low around 21. West southwest wind around 10 km/h becoming south in the evening. Chance of precipitation is 20%.

    Low: 21 °C

    Slight Chance
    T-storms

  • Independence Day

    Independence Day: A 30 percent chance of showers and thunderstorms, mainly before 10am. Partly sunny, with a high near 32. Heat index values as high as 35. South southwest wind 10 to 15 km/h, with gusts as high as 25 km/h.

    High: 32 °C

    Chance
    Showers then
    Slight Chance
    T-storms

  • Friday Night

    Friday Night: Mostly clear, with a low around 21. South wind 10 to 15 km/h.

    Low: 21 °C

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 34. South southwest wind 15 to 20 km/h increasing to 20 to 25 km/h in the afternoon. Winds could gust as high as 40 km/h.

    High: 34 °C

    Mostly Sunny

  • Saturday Night

    Saturday Night: A 30 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 22.

    Low: 22 °C

    Chance
    T-storms

  • Sunday

    Sunday: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 30.

    High: 30 °C

    Chance
    T-storms

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 18.

    Low: 18 °C

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 30.

    High: 30 °C

    Mostly Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 32. West southwest wind around 10 km/h.
Tonight
A slight chance of showers and thunderstorms before 9pm, then a slight chance of showers and thunderstorms after 4am. Partly cloudy, with a low around 21. West southwest wind around 10 km/h becoming south in the evening. Chance of precipitation is 20%.
Independence Day
A 30 percent chance of showers and thunderstorms, mainly before 10am. Partly sunny, with a high near 32. Heat index values as high as 35. South southwest wind 10 to 15 km/h, with gusts as high as 25 km/h.
Friday Night
Mostly clear, with a low around 21. South wind 10 to 15 km/h.
Saturday
Mostly sunny, with a high near 34. South southwest wind 15 to 20 km/h increasing to 20 to 25 km/h in the afternoon. Winds could gust as high as 40 km/h.
Saturday Night
A 30 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 22.
Sunday
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 30.
Sunday Night
Mostly cloudy, with a low around 18.
Monday
Mostly sunny, with a high near 30.
Monday Night
Mostly clear, with a low around 17.
Tuesday
Mostly sunny, with a high near 30.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 19.
Wednesday
A chance of showers. Mostly sunny, with a high near 30.
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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:
1:56 pm CDT Jul 3, 2025
Forecast Valid:
2pm CDT Jul 3, 2025-6pm CDT Jul 9, 2025
 
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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