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

61°F

16°C

Humidity 49%
Wind Speed NW 15 G 21 mph
Barometer 29.62 in
Dewpoint 42°F (6°C)
Visibility 10.00 mi
Last update 15 Nov 4:35 pm CST
Extended Forecast for

Sycamore IL

  • Tonight

    Tonight: Mostly clear, with a low around 32. Northwest wind around 15 mph, with gusts as high as 25 mph.

    Low: 32 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 48. Northwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 48 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 27. West northwest wind 5 to 10 mph becoming light northwest after midnight.

    Low: 27 °F

    Mostly Clear

  • Monday

    Monday: Increasing clouds, with a high near 48. Calm wind becoming southeast around 5 mph in the afternoon.

    High: 48 °F

    Increasing
    Clouds

  • Monday Night

    Monday Night: Rain likely. Cloudy, with a low around 36. East southeast wind 5 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 70%.

    Low: 36 °F

    Rain Likely

  • Tuesday

    Tuesday: A 50 percent chance of rain. Mostly cloudy, with a high near 45.

    High: 45 °F

    Chance Rain

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 35.

    Low: 35 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 48.

    High: 48 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 38.

    Low: 38 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 32. Northwest wind around 15 mph, with gusts as high as 25 mph.
Sunday
Sunny, with a high near 48. Northwest wind 10 to 15 mph, with gusts as high as 25 mph.
Sunday Night
Mostly clear, with a low around 27. West northwest wind 5 to 10 mph becoming light northwest after midnight.
Monday
Increasing clouds, with a high near 48. Calm wind becoming southeast around 5 mph in the afternoon.
Monday Night
Rain likely. Cloudy, with a low around 36. East southeast wind 5 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 70%.
Tuesday
A 50 percent chance of rain. Mostly cloudy, with a high near 45.
Tuesday Night
Mostly cloudy, with a low around 35.
Wednesday
Mostly cloudy, with a high near 48.
Wednesday Night
Mostly cloudy, with a low around 38.
Thursday
Rain likely, mainly after noon. Mostly cloudy, with a high near 53.
Thursday Night
Rain likely. Mostly cloudy, with a low around 43.
Friday
A chance of rain. Mostly cloudy, with a high near 53.
Friday Night
A chance of rain. Mostly cloudy, with a low around 37.
Saturday
Partly sunny, with a high near 48.
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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:
4:21 pm CST Nov 15, 2025
Forecast Valid:
4pm CST Nov 15, 2025-6pm CST Nov 22, 2025
 
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