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.

Light Rain

44°F

7°C

Humidity 81%
Wind Speed NW 13 mph
Barometer 30.18 in
Dewpoint 39°F (4°C)
Visibility 5.00 mi
Wind Chill38°F (3°C)
Last update 6 Apr 12:15 am CDT
Extended Forecast for

De Kalb IL

  • Overnight

    Overnight: Showers, mainly before 1am. Low around 37. West northwest wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 37 °F

    Showers

  • Monday

    Monday: Partly sunny, with a high near 49. Breezy, with a northwest wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 49 °F

    Partly Sunny
    then Partly
    Sunny and
    Breezy

  • Monday Night

    Monday Night: Partly cloudy, with a low around 24. North northeast wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 24 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 44. Northeast wind around 10 mph becoming east southeast in the afternoon.

    High: 44 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A slight chance of rain and snow showers between 1am and 4am, then a slight chance of rain showers after 4am. Mostly cloudy, 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

    Mostly Cloudy
    then Slight
    Chance
    Rain/Snow

  • Wednesday

    Wednesday: Partly sunny, with a high near 65. Breezy.

    High: 65 °F

    Partly Sunny
    and Breezy

  • Wednesday Night

    Wednesday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 52. Breezy.

    Low: 52 °F

    Chance
    Showers and
    Breezy

  • Thursday

    Thursday: A chance of showers. Mostly cloudy, with a high near 65.

    High: 65 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: A chance of showers. Mostly cloudy, with a low around 44.

    Low: 44 °F

    Chance
    Showers

Detailed Forecast

Overnight
Showers, mainly before 1am. Low around 37. West northwest wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Monday
Partly sunny, with a high near 49. Breezy, with a northwest wind 15 to 20 mph, with gusts as high as 30 mph.
Monday Night
Partly cloudy, with a low around 24. North northeast wind 10 to 15 mph, with gusts as high as 20 mph.
Tuesday
Mostly sunny, with a high near 44. Northeast wind around 10 mph becoming east southeast in the afternoon.
Tuesday Night
A slight chance of rain and snow showers between 1am and 4am, then a slight chance of rain showers after 4am. Mostly cloudy, 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.
Wednesday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 52. Breezy.
Thursday
A chance of showers. Mostly cloudy, with a high near 65.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 44.
Friday
A chance of showers. Partly sunny, with a high near 61.
Friday Night
A chance of showers. Mostly cloudy, with a low around 42.
Saturday
A chance of showers. Partly sunny, with a high near 63.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 51.
Sunday
Showers likely. Mostly cloudy, with a high near 74.
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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:
12:06 am CDT Apr 6, 2026
Forecast Valid:
12am CDT Apr 6, 2026-6pm CDT Apr 12, 2026
 
Forecast Discussion
 
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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