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

64°F

18°C

Humidity 74%
Wind Speed S 6 mph
Barometer 30.03 in
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 11 Oct 10:15 am CDT
Extended Forecast for

Sycamore IL

  • Today

    Today: Sunny, with a high near 80. South wind around 5 mph.

    High: 80 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 62. South wind 5 to 10 mph.

    Low: 62 °F

    Increasing
    Clouds

  • Columbus Day

    Columbus Day: Mostly cloudy, then gradually becoming sunny, with a high near 86. South southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 86 °F

    Decreasing
    Clouds

  • Monday Night

    Monday Night: Mostly clear, with a low around 69. South southwest wind around 10 mph, with gusts as high as 20 mph.

    Low: 69 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 81. West northwest wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 81 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A slight chance of showers before 1am, then a chance of showers and thunderstorms between 1am and 4am, then a chance of showers after 4am. Partly cloudy, with a low around 57. Chance of precipitation is 30%.

    Low: 57 °F

    Chance
    Showers

  • Wednesday

    Wednesday: A 30 percent chance of showers, mainly before 1pm. Mostly cloudy, with a high near 71.

    High: 71 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A chance of showers after 1am. Mostly cloudy, with a low around 53.

    Low: 53 °F

    Mostly Cloudy
    then Chance
    Showers

  • Thursday

    Thursday: Showers likely, mainly after 1pm. Mostly cloudy, with a high near 68.

    High: 68 °F

    Showers
    Likely

Detailed Forecast

Today
Sunny, with a high near 80. South wind around 5 mph.
Tonight
Increasing clouds, with a low around 62. South wind 5 to 10 mph.
Columbus Day
Mostly cloudy, then gradually becoming sunny, with a high near 86. South southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Monday Night
Mostly clear, with a low around 69. South southwest wind around 10 mph, with gusts as high as 20 mph.
Tuesday
Sunny, with a high near 81. West northwest wind 10 to 15 mph, with gusts as high as 20 mph.
Tuesday Night
A slight chance of showers before 1am, then a chance of showers and thunderstorms between 1am and 4am, then a chance of showers after 4am. Partly cloudy, with a low around 57. Chance of precipitation is 30%.
Wednesday
A 30 percent chance of showers, mainly before 1pm. Mostly cloudy, with a high near 71.
Wednesday Night
A chance of showers after 1am. Mostly cloudy, with a low around 53.
Thursday
Showers likely, mainly after 1pm. Mostly cloudy, with a high near 68.
Thursday Night
A chance of showers. Cloudy, with a low around 48.
Friday
Mostly cloudy, with a high near 60. Breezy.
Friday Night
Mostly cloudy, with a low around 37.
Saturday
Mostly sunny, with a high near 56.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Sycamore IL
 42°N 88.66°W
Last Update:
10:31 am CDT Oct 11, 2026
Forecast Valid:
10am CDT Oct 11, 2026-6pm CDT Oct 17, 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