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

31°F

-1°C

Humidity 58%
Wind Speed NW 18 G 26 mph
Barometer 30.24 in
Dewpoint 18°F (-8°C)
Visibility 10.00 mi
Wind Chill19°F (-7°C)
Last update 27 Nov 12:15 pm CST
Extended Forecast for

Sycamore IL

Winter Storm Watch November 29, 03:00am until November 30, 06:00am
Click here for hazard details and duration
Winter Storm Watch

  • Thanksgiving Day

    Thanksgiving Day: Increasing clouds, with a temperature falling to around 28 by 5pm. West northwest wind around 15 mph, with gusts as high as 30 mph.

    High: 31 °F⇓

    Increasing
    Clouds

  • Tonight

    Tonight: Cloudy, then gradually becoming partly cloudy, with a low around 20. West northwest wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 20 °F

    Decreasing
    Clouds

  • Friday

    Friday: Mostly sunny, with a high near 31. West northwest wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 31 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Snow likely after midnight. Increasing clouds, with a low around 20. Calm wind becoming southeast around 5 mph after midnight. Winds could gust as high as 10 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    Low: 20 °F

    Mostly Cloudy
    then Snow
    Likely

  • Saturday

    Saturday: Snow. The snow could be heavy at times. High near 30. Southeast wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 100%.

    High: 30 °F

    Heavy Snow

  • Saturday Night

    Saturday Night: Snow. Low around 24. Chance of precipitation is 100%.

    Low: 24 °F

    Snow

  • Sunday

    Sunday: A 40 percent chance of snow, mainly before noon. Mostly cloudy, with a high near 28.

    High: 28 °F

    Chance Snow

  • Sunday Night

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

    Low: 2 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 16.

    High: 16 °F

    Partly Sunny

Detailed Forecast

Thanksgiving Day
Increasing clouds, with a temperature falling to around 28 by 5pm. West northwest wind around 15 mph, with gusts as high as 30 mph.
Tonight
Cloudy, then gradually becoming partly cloudy, with a low around 20. West northwest wind 10 to 15 mph, with gusts as high as 25 mph.
Friday
Mostly sunny, with a high near 31. West northwest wind 5 to 10 mph, with gusts as high as 20 mph.
Friday Night
Snow likely after midnight. Increasing clouds, with a low around 20. Calm wind becoming southeast around 5 mph after midnight. Winds could gust as high as 10 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Saturday
Snow. The snow could be heavy at times. High near 30. Southeast wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 100%.
Saturday Night
Snow. Low around 24. Chance of precipitation is 100%.
Sunday
A 40 percent chance of snow, mainly before noon. Mostly cloudy, with a high near 28.
Sunday Night
Mostly cloudy, with a low around 2.
Monday
Partly sunny, with a high near 16.
Monday Night
Mostly cloudy, with a low around 3.
Tuesday
Partly sunny, with a high near 19.
Tuesday Night
Mostly cloudy, with a low around 8.
Wednesday
Mostly cloudy, with a high near 28.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Sycamore IL
 41.98°N 88.67°W
Last Update:
12:01 pm CST Nov 27, 2025
Forecast Valid:
12pm CST Nov 27, 2025-6pm CST Dec 3, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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