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

2°F

-17°C

Humidity 76%
Wind Speed NA
Barometer 30.32 in
Dewpoint -4°F (-20°C)
Visibility 10.00 mi
Last update 20 Jan 5:15 am CST
Extended Forecast for

Sycamore IL

  • Today

    Today: Increasing clouds, with a high near 20. Wind chill values as low as -14. West southwest wind 5 to 10 mph becoming south in the afternoon. Winds could gust as high as 15 mph.

    High: 20 °F

    Increasing
    Clouds

  • Tonight

    Tonight: Snow, mainly after midnight. Temperature rising to around 20 by 1am. South southeast wind 5 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.

    Low: 17 °F⇑

    Chance Snow
    then Snow

  • Wednesday

    Wednesday: A 20 percent chance of snow before 9am. Partly sunny, with a high near 26. West wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 26 °F

    Slight Chance
    Snow then
    Partly Sunny

  • Wednesday Night

    Wednesday Night: Snow showers likely before midnight. Patchy blowing snow before 3am. Mostly cloudy, with a low around 9. Wind chill values as low as -4. Breezy, with a west northwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. New snow accumulation of around an inch possible.

    Low: 9 °F

    Snow Showers
    Likely and
    Patchy
    Blowing Snow

  • Thursday

    Thursday: Mostly sunny, with a high near 18. West wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 18 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around -11.

    Low: -11 °F

    Mostly Cloudy

  • Friday

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

    High: -3 °F

    Cold

  • Friday Night

    Friday Night: Mostly cloudy, with a low around -12.

    Low: -12 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy and cold, with a high near 3.

    High: 3 °F

    Cold

Detailed Forecast

Today
Increasing clouds, with a high near 20. Wind chill values as low as -14. West southwest wind 5 to 10 mph becoming south in the afternoon. Winds could gust as high as 15 mph.
Tonight
Snow, mainly after midnight. Temperature rising to around 20 by 1am. South southeast wind 5 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.
Wednesday
A 20 percent chance of snow before 9am. Partly sunny, with a high near 26. West wind 10 to 15 mph, with gusts as high as 25 mph.
Wednesday Night
Snow showers likely before midnight. Patchy blowing snow before 3am. Mostly cloudy, with a low around 9. Wind chill values as low as -4. Breezy, with a west northwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. New snow accumulation of around an inch possible.
Thursday
Mostly sunny, with a high near 18. West wind 10 to 15 mph, with gusts as high as 25 mph.
Thursday Night
Mostly cloudy, with a low around -11.
Friday
Mostly sunny and cold, with a high near -3.
Friday Night
Mostly cloudy, with a low around -12.
Saturday
Mostly cloudy and cold, with a high near 3.
Saturday Night
A chance of snow before midnight. Mostly cloudy, with a low around -5.
Sunday
Mostly sunny, with a high near 14.
Sunday Night
Partly cloudy, with a low around -2.
Monday
Sunny, with a high near 14.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Sycamore IL
 41.98°N 88.67°W
Last Update:
4:06 am CST Jan 20, 2026
Forecast Valid:
5am CST Jan 20, 2026-6pm CST Jan 26, 2026
 
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Additional Resources

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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