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

De Kalb Taylor Municipal Airport (KDKB)

Lat: 41.93°NLon: 88.71°WElev: 909ft.

Overcast

40°F

4°C

Humidity 78%
Wind Speed SW 16 mph
Barometer 29.28 in
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Wind Chill32°F (0°C)
Last update 10 Dec 12:55 am CST
Extended Forecast for

De Kalb IL

  • Overnight

    Overnight: A chance of rain before 4am, then snow likely. Cloudy, with a low around 29. Breezy, with a west wind 20 to 25 mph, with gusts as high as 35 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.

    Low: 29 °F

    Rain/Snow
    Likely and
    Breezy

  • Wednesday

    Wednesday: Snow, mainly before 10am. Temperature falling to around 24 by 5pm. Blustery, with a north northwest wind 15 to 25 mph, with gusts as high as 35 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

    High: 31 °F⇓

    Blustery.
    Snow then
    Slight Chance
    Snow

  • Wednesday Night

    Wednesday Night: A 20 percent chance of snow before midnight. Cloudy, then gradually becoming partly cloudy, with a low around 10. Wind chill values as low as 1. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 10 °F

    Slight Chance
    Snow then
    Partly Cloudy

  • Thursday

    Thursday: A 20 percent chance of snow after noon. Partly sunny, with a high near 21. Wind chill values as low as 1. West northwest wind around 5 mph becoming south in the afternoon. Winds could gust as high as 10 mph.

    High: 21 °F

    Mostly Sunny
    then Slight
    Chance Snow

  • Thursday Night

    Thursday Night: Snow likely. Cloudy, with a low around 18. South southeast wind around 5 mph becoming northeast after midnight. Winds could gust as high as 10 mph. Chance of precipitation is 60%.

    Low: 18 °F

    Snow Likely

  • Friday

    Friday: A 40 percent chance of snow. Mostly cloudy, with a high near 25.

    High: 25 °F

    Chance Snow

  • Friday Night

    Friday Night: A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 5.

    Low: 5 °F

    Slight Chance
    Snow then
    Mostly Cloudy

  • Saturday

    Saturday: Snow likely, mainly after noon. Mostly cloudy, with a high near 11.

    High: 11 °F

    Snow Likely

  • Saturday Night

    Saturday Night: A chance of snow before midnight. Partly cloudy, with a low around -9.

    Low: -9 °F

    Chance Snow
    then Partly
    Cloudy

Detailed Forecast

Overnight
A chance of rain before 4am, then snow likely. Cloudy, with a low around 29. Breezy, with a west wind 20 to 25 mph, with gusts as high as 35 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Wednesday
Snow, mainly before 10am. Temperature falling to around 24 by 5pm. Blustery, with a north northwest wind 15 to 25 mph, with gusts as high as 35 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.
Wednesday Night
A 20 percent chance of snow before midnight. Cloudy, then gradually becoming partly cloudy, with a low around 10. Wind chill values as low as 1. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.
Thursday
A 20 percent chance of snow after noon. Partly sunny, with a high near 21. Wind chill values as low as 1. West northwest wind around 5 mph becoming south in the afternoon. Winds could gust as high as 10 mph.
Thursday Night
Snow likely. Cloudy, with a low around 18. South southeast wind around 5 mph becoming northeast after midnight. Winds could gust as high as 10 mph. Chance of precipitation is 60%.
Friday
A 40 percent chance of snow. Mostly cloudy, with a high near 25.
Friday Night
A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 5.
Saturday
Snow likely, mainly after noon. Mostly cloudy, with a high near 11.
Saturday Night
A chance of snow before midnight. Partly cloudy, with a low around -9.
Sunday
Sunny and cold, with a high near 5.
Sunday Night
Partly cloudy, with a low around -6.
Monday
Partly sunny, with a high near 19.
Monday Night
Mostly cloudy, with a low around 7.
Tuesday
Partly sunny, with a high near 25.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
De Kalb IL
 41.92°N 88.76°W
Last Update:
12:01 am CST Dec 10, 2025
Forecast Valid:
1am CST Dec 10, 2025-6pm CST Dec 16, 2025
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation