National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Tracking Weekend Storm Impacts

A storm and trailing cold front will continue to slowly move through the Gulf Coast and Southeast U.S. through this weekend with widespread rain showers and isolated thunderstorms. A fast-moving clipper storm may bring several inches of snow to the north-central Plains, Midwest, eastern Great Lakes, and Northeast regions this weekend. Read More >

Hazardous Weather Conditions

Current conditions at

De Kalb Taylor Municipal Airport (KDKB)

Lat: 41.93°NLon: 88.71°WElev: 909ft.

Overcast

24°F

-4°C

Humidity 96%
Wind Speed N 16 G 21 mph
Barometer 30.06 in
Dewpoint 23°F (-5°C)
Visibility 7.00 mi
Wind Chill11°F (-12°C)
Last update 7 Dec 7:15 am CST
Extended Forecast for

Sycamore IL

Winter Weather Advisory December 7, 07:21am until December 7, 08:00am
Click here for hazard details and duration
...
  •  
    Winter Weather Advisory December 7, 07:21am until December 7, 08:00am

    NOW until 8:00am Sun

    Winter Weather Advisory

  • Today

    High: 24 °F⇓

    Chance Snow
    then Mostly
    Sunny

  • Tonight

    Tonight: Increasing clouds, with a temperature falling to near 5 by 9pm, then rising to around 12 during the remainder of the night. Wind chill values as low as -8. North wind 5 to 10 mph becoming light and variable after midnight. Winds could gust as high as 15 mph.

    Low: 5 °F⇑

    Increasing
    Clouds

  • Monday

    Monday: Partly sunny, with a high near 21. Light south southwest wind becoming south 5 to 10 mph in the morning.

    High: 21 °F

    Partly Sunny

  • Monday Night

    Monday Night: A 20 percent chance of snow. Mostly cloudy, with a low around 13. Wind chill values as low as 1. South wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 13 °F

    Slight Chance
    Snow

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 36. Southwest wind around 15 mph, with gusts as high as 25 mph.

    High: 36 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Rain. Low around 32. Breezy. Chance of precipitation is 90%.

    Low: 32 °F

    Rain then
    Rain Likely
    and Breezy

  • Wednesday

    Wednesday: A chance of rain and snow showers before noon, then a slight chance of snow showers. Mostly cloudy, with a high near 34. Chance of precipitation is 30%.

    High: 34 °F

    Chance
    Rain/Snow
    then Slight
    Chance Snow
    Showers

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 16.

    Low: 16 °F

    Mostly Cloudy

Detailed Forecast

Today
A 40 percent chance of snow before 9am. Mostly cloudy, then gradually becoming sunny, with a temperature falling to around 12 by 5pm. Wind chill values as low as zero. North wind 10 to 15 mph, with gusts as high as 25 mph.
Tonight
Increasing clouds, with a temperature falling to near 5 by 9pm, then rising to around 12 during the remainder of the night. Wind chill values as low as -8. North wind 5 to 10 mph becoming light and variable after midnight. Winds could gust as high as 15 mph.
Monday
Partly sunny, with a high near 21. Light south southwest wind becoming south 5 to 10 mph in the morning.
Monday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 13. Wind chill values as low as 1. South wind 10 to 15 mph, with gusts as high as 25 mph.
Tuesday
Mostly cloudy, with a high near 36. Southwest wind around 15 mph, with gusts as high as 25 mph.
Tuesday Night
Rain. Low around 32. Breezy. Chance of precipitation is 90%.
Wednesday
A chance of rain and snow showers before noon, then a slight chance of snow showers. Mostly cloudy, with a high near 34. Chance of precipitation is 30%.
Wednesday Night
Mostly cloudy, with a low around 16.
Thursday
A chance of snow after noon. Mostly cloudy, with a high near 24.
Thursday Night
A chance of snow before midnight. Mostly cloudy, with a low around 6.
Friday
Partly sunny, with a high near 14.
Friday Night
Mostly cloudy, with a low around -3.
Saturday
Partly sunny and cold, with a high near 9.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Sycamore IL
 41.98°N 88.7°W
Last Update:
6:06 am CST Dec 7, 2025
Forecast Valid:
7am CST Dec 7, 2025-6pm CST Dec 13, 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