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.

Fog/Mist

29°F

-2°C

Humidity 92%
Wind Speed Calm
Barometer 29.93 in
Dewpoint 27°F (-3°C)
Visibility 5.00 mi
Last update 6 Dec 9:35 am CST
Extended Forecast for

Sycamore IL

Winter Weather Advisory December 6, 09:00pm until December 7, 06:00am
Click here for hazard details and duration
Winter Weather Advisory

  • Today

    Today: Mostly cloudy, with a high near 27. West northwest wind around 5 mph becoming calm in the afternoon.

    High: 27 °F

    Mostly Cloudy

  • Tonight

    Tonight: Snow, mainly after 9pm. The snow could be heavy at times. Steady temperature around 24. Light and variable wind becoming northeast 5 to 10 mph in the evening. Winds could gust as high as 15 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.

    Low: 24 °F

    Snow Likely
    then Heavy
    Snow

  • Sunday

    Sunday: A 30 percent chance of snow before noon. Cloudy through mid morning, then gradual clearing, with a temperature falling to around 14 by 5pm. Wind chill values as low as 1. North wind 10 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 4. Wind chill values as low as -5. North wind 5 to 10 mph becoming light after midnight. Winds could gust as high as 15 mph.

    Low: 4 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 20. Light and variable wind becoming south 5 to 10 mph in the morning.

    High: 20 °F

    Partly Sunny

  • Monday Night

    Monday Night: A 30 percent chance of snow, mainly after midnight. Mostly cloudy, with a low around 11.

    Low: 11 °F

    Chance Snow

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 36.

    High: 36 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Rain. Cloudy, with a low around 30.

    Low: 30 °F

    Rain

  • Wednesday

    Wednesday: A chance of rain and snow before noon, then a chance of snow. Mostly cloudy, with a high near 32.

    High: 32 °F

    Chance
    Rain/Snow
    then Chance
    Snow

Detailed Forecast

Today
Mostly cloudy, with a high near 27. West northwest wind around 5 mph becoming calm in the afternoon.
Tonight
Snow, mainly after 9pm. The snow could be heavy at times. Steady temperature around 24. Light and variable wind becoming northeast 5 to 10 mph in the evening. Winds could gust as high as 15 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.
Sunday
A 30 percent chance of snow before noon. Cloudy through mid morning, then gradual clearing, with a temperature falling to around 14 by 5pm. Wind chill values as low as 1. North wind 10 to 15 mph, with gusts as high as 20 mph.
Sunday Night
Mostly cloudy, with a low around 4. Wind chill values as low as -5. North wind 5 to 10 mph becoming light after midnight. Winds could gust as high as 15 mph.
Monday
Partly sunny, with a high near 20. Light and variable wind becoming south 5 to 10 mph in the morning.
Monday Night
A 30 percent chance of snow, mainly after midnight. Mostly cloudy, with a low around 11.
Tuesday
Mostly cloudy, with a high near 36.
Tuesday Night
Rain. Cloudy, with a low around 30.
Wednesday
A chance of rain and snow before noon, then a chance of snow. Mostly cloudy, with a high near 32.
Wednesday Night
A chance of snow before midnight. Mostly cloudy, with a low around 12.
Thursday
A chance of snow. Mostly cloudy, with a high near 22.
Thursday Night
Mostly cloudy, with a low around 9.
Friday
Partly sunny, with a high near 17.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Sycamore IL
 41.98°N 88.7°W
Last Update:
9:06 am CST Dec 6, 2025
Forecast Valid:
9am CST Dec 6, 2025-6pm CST Dec 12, 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