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

7°F

-14°C

Humidity 85%
Wind Speed S 10 mph
Barometer 30.03 in
Dewpoint 4°F (-16°C)
Visibility 10.00 mi
Wind Chill-7°F (-22°C)
Last update 5 Dec 4:15 am CST
Extended Forecast for

Sycamore IL

  • Today

    Today: Partly sunny, with a high near 25. Wind chill values as low as -9. South southwest wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 25 °F

    Partly Sunny

  • Tonight

    Tonight: Patchy snow and freezing rain before 3am. Mostly cloudy, with a low around 21. South southwest wind 10 to 15 mph becoming west northwest after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 30%.

    Low: 21 °F

    Patchy Wintry
    Mix

  • Saturday

    Saturday: Partly sunny, with a temperature falling to around 19 by 5pm. Northwest wind 5 to 10 mph becoming light and variable in the afternoon.

    High: 23 °F⇓

    Partly Sunny

  • Saturday Night

    Saturday Night: Snow, mainly after midnight. Low around 14. Calm wind becoming northeast around 5 mph after midnight. Winds could gust as high as 10 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.

    Low: 14 °F

    Chance Snow
    then Snow

  • Sunday

    Sunday: A 50 percent chance of snow before noon. Partly sunny, with a high near 23. North wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 23 °F

    Chance Snow
    then Mostly
    Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 2.

    Low: 2 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 19.

    High: 19 °F

    Partly Sunny

  • Monday Night

    Monday Night: A chance of snow. Mostly cloudy, with a low around 12.

    Low: 12 °F

    Chance Snow

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 34.

    High: 34 °F

    Mostly Cloudy

Detailed Forecast

Today
Partly sunny, with a high near 25. Wind chill values as low as -9. South southwest wind 10 to 15 mph, with gusts as high as 20 mph.
Tonight
Patchy snow and freezing rain before 3am. Mostly cloudy, with a low around 21. South southwest wind 10 to 15 mph becoming west northwest after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 30%.
Saturday
Partly sunny, with a temperature falling to around 19 by 5pm. Northwest wind 5 to 10 mph becoming light and variable in the afternoon.
Saturday Night
Snow, mainly after midnight. Low around 14. Calm wind becoming northeast around 5 mph after midnight. Winds could gust as high as 10 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.
Sunday
A 50 percent chance of snow before noon. Partly sunny, with a high near 23. North wind 5 to 15 mph, with gusts as high as 20 mph.
Sunday Night
Mostly cloudy, with a low around 2.
Monday
Partly sunny, with a high near 19.
Monday Night
A chance of snow. Mostly cloudy, with a low around 12.
Tuesday
Mostly cloudy, with a high near 34.
Tuesday Night
Snow likely. Cloudy, with a low around 28.
Wednesday
A chance of rain and snow. Cloudy, with a high near 34.
Wednesday Night
A chance of snow. Mostly cloudy, with a low around 10.
Thursday
Partly sunny, with a high near 20.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Sycamore IL
 41.98°N 88.67°W
Last Update:
4:11 am CST Dec 5, 2025
Forecast Valid:
4am CST Dec 5, 2025-6pm CST Dec 11, 2025
 
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Additional Resources

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High Temperature

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Chance of Precipitation