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

37°F

3°C

Humidity 41%
Wind Speed NE 3 mph
Barometer 30.41 in
Dewpoint 15°F (-9°C)
Visibility 10.00 mi
Last update 23 Mar 7:15 pm CDT
Extended Forecast for

Sycamore IL

  • Tonight

    Tonight: Increasing clouds, with a low around 28. East northeast wind 5 to 10 mph becoming south after midnight. Winds could gust as high as 15 mph.

    Low: 28 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: Partly sunny, with a high near 52. South wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 52 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 38. South southeast wind 5 to 10 mph, with gusts as high as 15 mph.

    Low: 38 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 66. South wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 66 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 51. South wind around 5 mph, with gusts as high as 15 mph.

    Low: 51 °F

    Mostly Cloudy

  • Thursday

    Thursday: A 40 percent chance of showers after 1pm. Partly sunny, with a high near 74.

    High: 74 °F

    Mostly Sunny
    then Chance
    Showers

  • Thursday Night

    Thursday Night: A 30 percent chance of showers before 1am. Mostly cloudy, with a low around 29.

    Low: 29 °F

    Chance
    Showers

  • Friday

    Friday: Partly sunny, with a high near 44.

    High: 44 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 25.

    Low: 25 °F

    Mostly Clear

Detailed Forecast

Tonight
Increasing clouds, with a low around 28. East northeast wind 5 to 10 mph becoming south after midnight. Winds could gust as high as 15 mph.
Tuesday
Partly sunny, with a high near 52. South wind 5 to 10 mph, with gusts as high as 15 mph.
Tuesday Night
Mostly cloudy, with a low around 38. South southeast wind 5 to 10 mph, with gusts as high as 15 mph.
Wednesday
Mostly cloudy, with a high near 66. South wind 10 to 15 mph, with gusts as high as 20 mph.
Wednesday Night
Mostly cloudy, with a low around 51. South wind around 5 mph, with gusts as high as 15 mph.
Thursday
A 40 percent chance of showers after 1pm. Partly sunny, with a high near 74.
Thursday Night
A 30 percent chance of showers before 1am. Mostly cloudy, with a low around 29.
Friday
Partly sunny, with a high near 44.
Friday Night
Mostly clear, with a low around 25.
Saturday
Sunny, with a high near 52.
Saturday Night
Mostly clear, with a low around 33.
Sunday
Partly sunny, with a high near 58.
Sunday Night
Partly cloudy, with a low around 39.
Monday
Partly sunny, with a high near 61.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Sycamore IL
 41.98°N 88.7°W
Last Update:
2:46 pm CDT Mar 23, 2026
Forecast Valid:
7pm CDT Mar 23, 2026-6pm CDT Mar 30, 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