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.

Overcast and Windy

34°F

1°C

Humidity 79%
Wind Speed W 29 G 40 mph
Barometer 29.72 in
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill21°F (-6°C)
Last update 26 Nov 2:35 am CST
Extended Forecast for

Sycamore IL

Wind Advisory until November 26, 09:00pm
Click here for hazard details and duration
Wind Advisory
  •  
    Wind Advisory until November 26, 09:00pm

    NOW until 9:00pm Wed

    Wind Advisory

  • Overnight

    Low: 31 °F

    Scattered
    Snow Showers
    and Windy

  • Wednesday

    Wednesday: Snow showers likely, mainly before 1pm, then isolated flurries after 5pm. Cloudy, with a high near 33. Very windy, with a west northwest wind 30 to 35 mph, with gusts as high as 55 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 33 °F

    Very Windy.
    Snow Showers
    Likely then
    Scattered
    Snow Showers

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 23. Blustery, with a west northwest wind 20 to 25 mph, with gusts as high as 45 mph.

    Low: 23 °F

    Mostly Cloudy
    and Blustery

  • Thanksgiving Day

    Thanksgiving Day: Mostly sunny, with a high near 31. Blustery, with a west northwest wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 31 °F

    Mostly Sunny
    and Blustery

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 18. West northwest wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 18 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 30.

    High: 30 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Snow, mainly after midnight. Low around 22. Chance of precipitation is 90%.

    Low: 22 °F

    Slight Chance
    Snow then
    Snow

  • Saturday

    Saturday: Snow. Cloudy, with a high near 30.

    High: 30 °F

    Snow

Detailed Forecast

Overnight
Scattered snow showers after 4am. Cloudy, with a low around 31. Windy, with a west southwest wind 25 to 30 mph, with gusts as high as 45 mph. Chance of precipitation is 40%.
Wednesday
Snow showers likely, mainly before 1pm, then isolated flurries after 5pm. Cloudy, with a high near 33. Very windy, with a west northwest wind 30 to 35 mph, with gusts as high as 55 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Wednesday Night
Mostly cloudy, with a low around 23. Blustery, with a west northwest wind 20 to 25 mph, with gusts as high as 45 mph.
Thanksgiving Day
Mostly sunny, with a high near 31. Blustery, with a west northwest wind 15 to 20 mph, with gusts as high as 30 mph.
Thursday Night
Mostly cloudy, with a low around 18. West northwest wind 10 to 15 mph, with gusts as high as 25 mph.
Friday
Mostly sunny, with a high near 30.
Friday Night
Snow, mainly after midnight. Low around 22. Chance of precipitation is 90%.
Saturday
Snow. Cloudy, with a high near 30.
Saturday Night
Snow. Cloudy, with a low around 27.
Sunday
A chance of snow before noon. Mostly cloudy, with a high near 29.
Sunday Night
Mostly cloudy, with a low around 6.
Monday
Partly sunny, with a high near 18.
Monday Night
A chance of snow. Mostly cloudy, with a low around 4.
Tuesday
Mostly sunny, with a high near 18.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Sycamore IL
 41.98°N 88.67°W
Last Update:
2:51 am CST Nov 26, 2025
Forecast Valid:
2am CST Nov 26, 2025-6pm CST Dec 2, 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