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.

Fair

27°F

-3°C

Humidity 87%
Wind Speed NE 7 mph
Barometer 30.45 in
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Wind Chill19°F (-7°C)
Last update 7 Apr 4:35 am CDT
Extended Forecast for

De Kalb IL

  • Today

    Today: Sunny, with a high near 43. Northeast wind around 10 mph becoming east southeast in the afternoon.

    High: 43 °F

    Sunny

  • Tonight

    Tonight: A slight chance of snow showers before 2am, then a slight chance of rain showers between 2am and 4am. Increasing clouds, with a low around 32. East southeast wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.

    Low: 32 °F

    Partly Cloudy
    then Slight
    Chance
    Rain/Snow

  • Wednesday

    Wednesday: Partly sunny, with a high near 67. Breezy, with a south wind 15 to 25 mph, with gusts as high as 35 mph.

    High: 67 °F

    Partly Sunny
    and Breezy

  • Wednesday Night

    Wednesday Night: Showers likely after 10pm. Mostly cloudy, with a low around 50. Breezy, with a south wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 70%.

    Low: 50 °F

    Showers
    Likely and
    Breezy

  • Thursday

    Thursday: A 20 percent chance of showers. Mostly sunny, with a high near 66. West southwest wind 10 to 15 mph.

    High: 66 °F

    Slight Chance
    Showers

  • Thursday Night

    Thursday Night: Showers and possibly a thunderstorm. Low around 45. Chance of precipitation is 80%.

    Low: 45 °F

    Showers

  • Friday

    Friday: A 30 percent chance of showers before 1pm. Mostly cloudy, with a high near 58.

    High: 58 °F

    Chance
    Showers

  • Friday Night

    Friday Night: Partly cloudy, with a low around 38.

    Low: 38 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 61.

    High: 61 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 43. Northeast wind around 10 mph becoming east southeast in the afternoon.
Tonight
A slight chance of snow showers before 2am, then a slight chance of rain showers between 2am and 4am. Increasing clouds, with a low around 32. East southeast wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Wednesday
Partly sunny, with a high near 67. Breezy, with a south wind 15 to 25 mph, with gusts as high as 35 mph.
Wednesday Night
Showers likely after 10pm. Mostly cloudy, with a low around 50. Breezy, with a south wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 70%.
Thursday
A 20 percent chance of showers. Mostly sunny, with a high near 66. West southwest wind 10 to 15 mph.
Thursday Night
Showers and possibly a thunderstorm. Low around 45. Chance of precipitation is 80%.
Friday
A 30 percent chance of showers before 1pm. Mostly cloudy, with a high near 58.
Friday Night
Partly cloudy, with a low around 38.
Saturday
Mostly sunny, with a high near 61.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 51.
Sunday
A chance of showers. Mostly cloudy, with a high near 75. Breezy.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 61. Breezy.
Monday
A chance of showers. Mostly cloudy, with a high near 78. Breezy.
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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:
3:56 am CDT Apr 7, 2026
Forecast Valid:
4am CDT Apr 7, 2026-6pm CDT Apr 13, 2026
 
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