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

40°F

4°C

Humidity 86%
Wind Speed NA
Barometer 30.09 in
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Last update 24 Dec 7:15 pm CST
Extended Forecast for

Sycamore IL

  • Tonight

    Tonight: Drizzle, mainly before 9pm. Patchy fog between 9pm and 4am. Otherwise, cloudy, with a low around 37. East southeast wind 5 to 10 mph becoming north in the evening. Winds could gust as high as 15 mph.

    Low: 37 °F

    Drizzle and
    Patchy Fog
    then Patchy
    Drizzle and
    Patchy Fog

  • Christmas Day

    Christmas Day: Cloudy, with a high near 41. East northeast wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 41 °F

    Cloudy

  • Thursday Night

    Thursday Night: Rain, mainly after midnight. Low around 36. East southeast wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 36 °F

    Chance Rain
    then Rain

  • Friday

    Friday: A 30 percent chance of rain before noon. Mostly cloudy, with a high near 46. Southeast wind 5 to 10 mph becoming northwest in the afternoon.

    High: 46 °F

    Chance Rain
    then Mostly
    Cloudy

  • Friday Night

    Friday Night: Cloudy, with a low around 36. Northwest wind around 5 mph becoming calm.

    Low: 36 °F

    Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 47.

    High: 47 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Cloudy, with a low around 40.

    Low: 40 °F

    Cloudy

  • Sunday

    Sunday: A chance of rain after noon. Mostly cloudy, with a high near 41. Breezy.

    High: 41 °F

    Cloudy then
    Chance Rain
    and Breezy

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 11. Blustery.

    Low: 11 °F

    Partly Cloudy
    and Blustery

Detailed Forecast

Tonight
Drizzle, mainly before 9pm. Patchy fog between 9pm and 4am. Otherwise, cloudy, with a low around 37. East southeast wind 5 to 10 mph becoming north in the evening. Winds could gust as high as 15 mph.
Christmas Day
Cloudy, with a high near 41. East northeast wind 10 to 15 mph, with gusts as high as 20 mph.
Thursday Night
Rain, mainly after midnight. Low around 36. East southeast wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Friday
A 30 percent chance of rain before noon. Mostly cloudy, with a high near 46. Southeast wind 5 to 10 mph becoming northwest in the afternoon.
Friday Night
Cloudy, with a low around 36. Northwest wind around 5 mph becoming calm.
Saturday
Mostly cloudy, with a high near 47.
Saturday Night
Cloudy, with a low around 40.
Sunday
A chance of rain after noon. Mostly cloudy, with a high near 41. Breezy.
Sunday Night
Partly cloudy, with a low around 11. Blustery.
Monday
Mostly sunny, with a high near 21. Blustery.
Monday Night
Partly cloudy, with a low around 12.
Tuesday
Partly sunny, with a high near 28.
Tuesday Night
Mostly cloudy, with a low around 16.
Wednesday
Mostly cloudy, with a high near 27. Blustery.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Sycamore IL
 41.98°N 88.67°W
Last Update:
6:41 pm CST Dec 24, 2025
Forecast Valid:
7pm CST Dec 24, 2025-6pm CST Dec 31, 2025
 
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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