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

24°F

-4°C

Humidity 93%
Wind Speed NA
Barometer 30.31 in
Dewpoint 22°F (-6°C)
Visibility 10.00 mi
Last update 11 Jan 10:55 pm CST
Extended Forecast for

3 Miles SSW Dekalb IL

  • Tonight

    Tonight: Partly cloudy, with a low around 23. Southwest wind around 15 mph, with gusts as high as 30 mph.

    Low: 23 °F

    Partly Cloudy

  • Monday

    Monday: Mostly cloudy, then gradually becoming sunny, with a high near 42. West southwest wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 42 °F

    Decreasing
    Clouds

  • Monday Night

    Monday Night: Increasing clouds, with a low around 31. Southwest wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 31 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: A 30 percent chance of rain after noon. Partly sunny, with a high near 47. Southwest wind around 15 mph, with gusts as high as 25 mph.

    High: 47 °F

    Partly Sunny
    then Chance
    Rain

  • Tuesday Night

    Tuesday Night: A slight chance of rain before 3am, then a slight chance of rain and snow. Mostly cloudy, with a low around 28. West northwest wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.

    Low: 28 °F

    Slight Chance
    Rain then
    Slight Chance
    Rain/Snow

  • Wednesday

    Wednesday: A 50 percent chance of snow. Mostly cloudy, with a high near 34. Breezy.

    High: 34 °F

    Chance Snow
    and Breezy

  • Wednesday Night

    Wednesday Night: A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 13. Blustery.

    Low: 13 °F

    Slight Chance
    Snow and
    Blustery then
    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 26.

    High: 26 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A chance of snow. Mostly cloudy, with a low around 21.

    Low: 21 °F

    Chance Snow

Detailed Forecast

Tonight
Partly cloudy, with a low around 23. Southwest wind around 15 mph, with gusts as high as 30 mph.
Monday
Mostly cloudy, then gradually becoming sunny, with a high near 42. West southwest wind 10 to 15 mph, with gusts as high as 20 mph.
Monday Night
Increasing clouds, with a low around 31. Southwest wind 10 to 15 mph, with gusts as high as 20 mph.
Tuesday
A 30 percent chance of rain after noon. Partly sunny, with a high near 47. Southwest wind around 15 mph, with gusts as high as 25 mph.
Tuesday Night
A slight chance of rain before 3am, then a slight chance of rain and snow. Mostly cloudy, with a low around 28. West northwest wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
Wednesday
A 50 percent chance of snow. Mostly cloudy, with a high near 34. Breezy.
Wednesday Night
A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 13. Blustery.
Thursday
Mostly sunny, with a high near 26.
Thursday Night
A chance of snow. Mostly cloudy, with a low around 21.
Friday
A chance of snow. Mostly cloudy, with a high near 32.
Friday Night
A chance of snow. Mostly cloudy, with a low around 16.
Saturday
Mostly cloudy, with a high near 22.
Saturday Night
Mostly cloudy, with a low around 8.
Sunday
Partly sunny, with a high near 21.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSW Dekalb IL
 41.85°N 88.76°W
Last Update:
9:41 pm CST Jan 11, 2026
Forecast Valid:
11pm CST Jan 11, 2026-6pm CST Jan 18, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation