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

Hazardous Weather Conditions

Current conditions at

De Kalb Taylor Municipal Airport (KDKB)

Lat: 41.93°NLon: 88.71°WElev: 909ft.

Fair

46°F

8°C

Humidity 89%
Wind Speed NE 8 mph
Barometer 30.03 in
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Wind Chill42°F (6°C)
Last update 31 Mar 10:10 pm CDT
Extended Forecast for

De Kalb IL

  • Tonight

    Tonight: A 20 percent chance of showers after 4am. Mostly cloudy, with a low around 36. Northeast wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 36 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Wednesday

    Wednesday: A slight chance of showers before 11am, then a chance of showers after 2pm. Mostly cloudy, with a high near 46. East northeast wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.

    High: 46 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 7pm. Low around 41. East wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 41 °F

    Showers

  • Thursday

    Thursday: Showers and possibly a thunderstorm. High near 72. Windy, with a south wind 15 to 20 mph increasing to 25 to 30 mph in the afternoon. Winds could gust as high as 40 mph. Chance of precipitation is 100%.

    High: 72 °F

    Showers and
    Windy

  • Thursday Night

    Thursday Night: A 50 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 44. Breezy, with a west southwest wind 15 to 20 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 30 mph.

    Low: 44 °F

    Chance
    Showers and
    Breezy

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 70.

    High: 70 °F

    Mostly Sunny
    then Chance
    Showers

  • Friday Night

    Friday Night: Showers and possibly a thunderstorm. Low around 47. Chance of precipitation is 90%.

    Low: 47 °F

    Showers

  • Saturday

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

    High: 60 °F

    Chance
    Showers and
    Breezy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 31.

    Low: 31 °F

    Mostly Cloudy

Detailed Forecast

Tonight
A 20 percent chance of showers after 4am. Mostly cloudy, with a low around 36. Northeast wind 10 to 15 mph, with gusts as high as 25 mph.
Wednesday
A slight chance of showers before 11am, then a chance of showers after 2pm. Mostly cloudy, with a high near 46. East northeast wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.
Wednesday Night
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 7pm. Low around 41. East wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Thursday
Showers and possibly a thunderstorm. High near 72. Windy, with a south wind 15 to 20 mph increasing to 25 to 30 mph in the afternoon. Winds could gust as high as 40 mph. Chance of precipitation is 100%.
Thursday Night
A 50 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 44. Breezy, with a west southwest wind 15 to 20 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 30 mph.
Friday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 70.
Friday Night
Showers and possibly a thunderstorm. Low around 47. Chance of precipitation is 90%.
Saturday
A chance of showers. Mostly cloudy, with a high near 60. Breezy.
Saturday Night
Mostly cloudy, with a low around 31.
Sunday
Partly sunny, with a high near 49. Breezy.
Sunday Night
Mostly clear, with a low around 30.
Monday
Sunny, with a high near 56.
Monday Night
Mostly cloudy, with a low around 38.
Tuesday
Partly sunny, with a high near 57.
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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:
9:06 pm CDT Mar 31, 2026
Forecast Valid:
10pm CDT Mar 31, 2026-6pm CDT Apr 7, 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