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.

Fair

3°F

-16°C

Humidity 73%
Wind Speed NA
Barometer 30.31 in
Dewpoint -4°F (-20°C)
Visibility 10.00 mi
Last update 19 Jan 11:15 pm CST
Extended Forecast for

Sycamore IL

  • Tonight

    Tonight: Partly cloudy, with a low around -2. Wind chill values as low as -14. West wind 5 to 10 mph, with gusts as high as 15 mph.

    Low: -2 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Increasing clouds, with a high near 20. Wind chill values as low as -15. West southwest wind 5 to 10 mph becoming south in the afternoon. Winds could gust as high as 20 mph.

    High: 20 °F

    Increasing
    Clouds

  • Tuesday Night

    Tuesday Night: Snow, mainly after midnight. Temperature rising to around 24 by 2am. South wind 5 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.

    Low: 17 °F⇑

    Chance Snow
    then Snow

  • Wednesday

    Wednesday: A 20 percent chance of snow before noon. Mostly cloudy, with a high near 28. West wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 28 °F

    Slight Chance
    Snow then
    Partly Sunny

  • Wednesday Night

    Wednesday Night: A 50 percent chance of snow before midnight. Mostly cloudy, with a low around 9. West southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 9 °F

    Chance Snow
    then Partly
    Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 18.

    High: 18 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around -10.

    Low: -10 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny and cold, with a high near -3.

    High: -3 °F

    Cold

  • Friday Night

    Friday Night: Mostly cloudy, with a low around -14.

    Low: -14 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around -2. Wind chill values as low as -14. West wind 5 to 10 mph, with gusts as high as 15 mph.
Tuesday
Increasing clouds, with a high near 20. Wind chill values as low as -15. West southwest wind 5 to 10 mph becoming south in the afternoon. Winds could gust as high as 20 mph.
Tuesday Night
Snow, mainly after midnight. Temperature rising to around 24 by 2am. South wind 5 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.
Wednesday
A 20 percent chance of snow before noon. Mostly cloudy, with a high near 28. West wind 10 to 15 mph, with gusts as high as 25 mph.
Wednesday Night
A 50 percent chance of snow before midnight. Mostly cloudy, with a low around 9. West southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Thursday
Mostly sunny, with a high near 18.
Thursday Night
Mostly cloudy, with a low around -10.
Friday
Partly sunny and cold, with a high near -3.
Friday Night
Mostly cloudy, with a low around -14.
Saturday
Partly sunny and cold, with a high near 1.
Saturday Night
Mostly cloudy, with a low around -9.
Sunday
Mostly sunny and cold, with a high near 9.
Sunday Night
Mostly cloudy, with a low around 0.
Monday
Mostly sunny, with a high near 17.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Sycamore IL
 41.98°N 88.67°W
Last Update:
8:51 pm CST Jan 19, 2026
Forecast Valid:
11pm CST Jan 19, 2026-6pm CST Jan 26, 2026
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation