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

66°F

19°C

Humidity 54%
Wind Speed NW 8 G 17 mph
Barometer 30.13 in
Dewpoint 49°F (9°C)
Visibility 10.00 mi
Last update 29 Oct 2:15 pm CDT
Extended Forecast for

De Kalb IL

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 67. North northwest wind around 10 mph, with gusts as high as 15 mph.

    High: 67 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 41. North northwest wind around 5 mph.

    Low: 41 °F

    Mostly Clear

  • Friday

    Friday: A 20 percent chance of showers after 1pm. Partly sunny, with a high near 61. East wind around 5 mph, with gusts as high as 15 mph.

    High: 61 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Friday Night

    Friday Night: Showers likely, mainly after 1am. Cloudy, with a low around 48. East wind 5 to 10 mph. Chance of precipitation is 60%.

    Low: 48 °F

    Slight Chance
    Showers then
    Showers
    Likely

  • Saturday

    Saturday: Showers, mainly before 1pm. High near 60. Southeast wind 5 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 80%.

    High: 60 °F

    Showers

  • Saturday Night

    Saturday Night: A 20 percent chance of showers before 10pm. Cloudy, with a low around 48.

    Low: 48 °F

    Slight Chance
    Showers then
    Mostly Cloudy

  • Sunday

    Sunday: A 20 percent chance of showers. Partly sunny, with a high near 66.

    High: 66 °F

    Slight Chance
    Showers

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 52.

    Low: 52 °F

    Mostly Cloudy

  • Monday

    Monday: A chance of showers. Mostly cloudy, with a high near 65.

    High: 65 °F

    Chance
    Showers

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 67. North northwest wind around 10 mph, with gusts as high as 15 mph.
Tonight
Mostly clear, with a low around 41. North northwest wind around 5 mph.
Friday
A 20 percent chance of showers after 1pm. Partly sunny, with a high near 61. East wind around 5 mph, with gusts as high as 15 mph.
Friday Night
Showers likely, mainly after 1am. Cloudy, with a low around 48. East wind 5 to 10 mph. Chance of precipitation is 60%.
Saturday
Showers, mainly before 1pm. High near 60. Southeast wind 5 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 80%.
Saturday Night
A 20 percent chance of showers before 10pm. Cloudy, with a low around 48.
Sunday
A 20 percent chance of showers. Partly sunny, with a high near 66.
Sunday Night
Mostly cloudy, with a low around 52.
Monday
A chance of showers. Mostly cloudy, with a high near 65.
Monday Night
Showers likely. Mostly cloudy, with a low around 57.
Tuesday
Showers likely. Mostly cloudy, with a high near 70.
Tuesday Night
Showers likely. Mostly cloudy, with a low around 56.
Wednesday
Showers likely. 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:
1:29 pm CDT Oct 29, 2026
Forecast Valid:
2pm CDT Oct 29, 2026-6pm CST Nov 4, 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