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.

Mostly Cloudy

46°F

8°C

Humidity 53%
Wind Speed NW 17 G 25 mph
Barometer 30.22 in
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Wind Chill39°F (4°C)
Last update 6 Apr 3:15 pm CDT
Extended Forecast for

De Kalb IL

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 47. Breezy, with a northwest wind around 20 mph, with gusts as high as 30 mph.

    High: 47 °F

    Partly Sunny
    and Breezy

  • Tonight

    Tonight: Mostly cloudy, with a low around 25. North northeast wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 25 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 42. Northeast wind around 10 mph becoming east southeast in the afternoon.

    High: 42 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A slight chance of snow showers, mixing with rain after 1am, then gradually ending. 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

    Slight Chance
    Snow Showers
    then Slight
    Chance Wintry
    Mix

  • Wednesday

    Wednesday: Partly sunny, with a high near 65. Breezy, with a south southeast wind 15 to 25 mph, with gusts as high as 35 mph.

    High: 65 °F

    Partly Sunny
    and Breezy

  • Wednesday Night

    Wednesday Night: A 50 percent chance of showers. Mostly cloudy, with a low around 50. Breezy.

    Low: 50 °F

    Chance
    Showers and
    Breezy

  • Thursday

    Thursday: A 40 percent chance of showers, mainly after 1pm. Partly sunny, with a high near 67.

    High: 67 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 47.

    Low: 47 °F

    Showers
    Likely

  • Friday

    Friday: A chance of showers. Mostly cloudy, with a high near 60.

    High: 60 °F

    Chance
    Showers

Detailed Forecast

This Afternoon
Partly sunny, with a high near 47. Breezy, with a northwest wind around 20 mph, with gusts as high as 30 mph.
Tonight
Mostly cloudy, with a low around 25. North northeast wind 10 to 15 mph, with gusts as high as 20 mph.
Tuesday
Sunny, with a high near 42. Northeast wind around 10 mph becoming east southeast in the afternoon.
Tuesday Night
A slight chance of snow showers, mixing with rain after 1am, then gradually ending. 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 65. Breezy, with a south southeast wind 15 to 25 mph, with gusts as high as 35 mph.
Wednesday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 50. Breezy.
Thursday
A 40 percent chance of showers, mainly after 1pm. Partly sunny, with a high near 67.
Thursday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 47.
Friday
A chance of showers. Mostly cloudy, with a high near 60.
Friday Night
Partly cloudy, with a low around 39.
Saturday
Mostly sunny, with a high near 62.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 50.
Sunday
A chance of showers. Mostly cloudy, with a high near 76. 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:
1:21 pm CDT Apr 6, 2026
Forecast Valid:
3pm CDT Apr 6, 2026-6pm CDT Apr 12, 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