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.

Partly Cloudy

60°F

16°C

Humidity 81%
Wind Speed SW 18 G 24 mph
Barometer 29.79 in
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 31 Mar 6:55 am CDT
Extended Forecast for

De Kalb IL

  • Today

    Today: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 3pm. High near 72. Breezy, with a south southwest wind 15 to 20 mph becoming west in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 72 °F

    Showers and
    Breezy

  • Tonight

    Tonight: Showers and thunderstorms likely before 3am, then a chance of showers. Mostly cloudy, with a low around 35. Northeast wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 35 °F

    Showers
    Likely

  • Wednesday

    Wednesday: Showers likely, with thunderstorms also possible after 4pm. Mostly cloudy, with a high near 42. Breezy, with an east northeast wind 15 to 20 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    High: 42 °F

    Showers
    Likely and
    Breezy

  • Wednesday Night

    Wednesday Night: Showers and possibly a thunderstorm. Low around 38. East wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 100%.

    Low: 38 °F

    Showers

  • Thursday

    Thursday: Showers and possibly a thunderstorm. High near 69. Breezy, with an east southeast wind 15 to 25 mph becoming south southwest in the afternoon. Winds could gust as high as 35 mph. Chance of precipitation is 100%.

    High: 69 °F

    Showers and
    Breezy

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm before 10pm, then showers likely between 10pm and 1am. Mostly cloudy, with a low around 46. Chance of precipitation is 70%.

    Low: 46 °F

    Showers
    Likely

  • Friday

    Friday: A 20 percent chance of showers after 1pm. Partly sunny, with a high near 68.

    High: 68 °F

    Partly Sunny
    then Slight
    Chance
    Showers

  • Friday Night

    Friday Night: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 48.

    Low: 48 °F

    Chance
    T-storms then
    Showers

  • Saturday

    Saturday: Showers likely. Mostly cloudy, with a high near 63. Breezy.

    High: 63 °F

    Showers
    Likely and
    Breezy

Detailed Forecast

Today
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 3pm. High near 72. Breezy, with a south southwest wind 15 to 20 mph becoming west in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Tonight
Showers and thunderstorms likely before 3am, then a chance of showers. Mostly cloudy, with a low around 35. Northeast wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday
Showers likely, with thunderstorms also possible after 4pm. Mostly cloudy, with a high near 42. Breezy, with an east northeast wind 15 to 20 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday Night
Showers and possibly a thunderstorm. Low around 38. East wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 100%.
Thursday
Showers and possibly a thunderstorm. High near 69. Breezy, with an east southeast wind 15 to 25 mph becoming south southwest in the afternoon. Winds could gust as high as 35 mph. Chance of precipitation is 100%.
Thursday Night
Showers likely and possibly a thunderstorm before 10pm, then showers likely between 10pm and 1am. Mostly cloudy, with a low around 46. Chance of precipitation is 70%.
Friday
A 20 percent chance of showers after 1pm. Partly sunny, with a high near 68.
Friday Night
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 48.
Saturday
Showers likely. Mostly cloudy, with a high near 63. Breezy.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 35. Breezy.
Sunday
Partly sunny, with a high near 48. Breezy.
Sunday Night
Partly cloudy, with a low around 30.
Monday
Mostly sunny, with a high near 52.
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ABOUT THIS FORECAST

 
Point Forecast:
De Kalb IL
 41.92°N 88.76°W
Last Update:
6:51 am CDT Mar 31, 2026
Forecast Valid:
7am CDT Mar 31, 2026-6pm CDT Apr 6, 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