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Hazardous Weather Conditions

Current conditions at

De Kalb Taylor Municipal Airport (KDKB)

Lat: 41.93°NLon: 88.71°WElev: 909ft.

Mostly Cloudy

71°F

22°C

Humidity 83%
Wind Speed S 16 mph
Barometer 29.79 in
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Last update 15 Apr 4:55 pm CDT
Extended Forecast for

De Kalb IL

Flood Watch April 15, 05:02pm until April 16, 01:00am
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch April 15, 05:02pm until April 16, 01:00am

    NOW until 1:00am Thu

    Flood Watch

  • This Afternoon

    High: 70 °F

    Chance
    Showers

  • Tonight

    Tonight: Showers and thunderstorms, mainly before midnight. Low around 58. South southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 58 °F

    Showers then
    Chance
    T-storms

  • Thursday

    Thursday: A chance of showers and thunderstorms. Partly sunny, with a high near 70. Southwest wind 10 to 15 mph becoming northwest in the afternoon. Chance of precipitation is 40%.

    High: 70 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 51. Northwest wind around 5 mph becoming southeast after midnight. Winds could gust as high as 10 mph.

    Low: 51 °F

    Partly Cloudy

  • Friday

    Friday: A 20 percent chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 80. Breezy, with a south southeast wind 10 to 20 mph, with gusts as high as 30 mph.

    High: 80 °F

    Partly Sunny
    then Slight
    Chance
    T-storms and
    Breezy

  • Friday Night

    Friday Night: A slight chance of showers and thunderstorms before 7pm, then showers and possibly a thunderstorm between 7pm and 4am, then showers after 4am. Low around 44. Chance of precipitation is 90%.

    Low: 44 °F

    Showers

  • Saturday

    Saturday: A 30 percent chance of showers, mainly before 1pm. Partly sunny, with a high near 55. Breezy.

    High: 55 °F

    Chance
    Showers and
    Breezy

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 32.

    Low: 32 °F

    Partly Cloudy

Detailed Forecast

This Afternoon
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 70. South southwest wind around 15 mph, with gusts as high as 20 mph.
Tonight
Showers and thunderstorms, mainly before midnight. Low around 58. South southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Thursday
A chance of showers and thunderstorms. Partly sunny, with a high near 70. Southwest wind 10 to 15 mph becoming northwest in the afternoon. Chance of precipitation is 40%.
Thursday Night
Partly cloudy, with a low around 51. Northwest wind around 5 mph becoming southeast after midnight. Winds could gust as high as 10 mph.
Friday
A 20 percent chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 80. Breezy, with a south southeast wind 10 to 20 mph, with gusts as high as 30 mph.
Friday Night
A slight chance of showers and thunderstorms before 7pm, then showers and possibly a thunderstorm between 7pm and 4am, then showers after 4am. Low around 44. Chance of precipitation is 90%.
Saturday
A 30 percent chance of showers, mainly before 1pm. Partly sunny, with a high near 55. Breezy.
Saturday Night
Partly cloudy, with a low around 32.
Sunday
Sunny, with a high near 51.
Sunday Night
Patchy frost after 4am. Otherwise, partly cloudy, with a low around 32.
Monday
Patchy frost. Otherwise, sunny, with a high near 60.
Monday Night
Partly cloudy, with a low around 48.
Tuesday
Mostly sunny, with a high near 71. Breezy.
Tuesday Night
Mostly clear, with a low around 48.
Wednesday
Mostly sunny, with a high near 69.
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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:
3:16 pm CDT Apr 15, 2026
Forecast Valid:
5pm CDT Apr 15, 2026-6pm CDT Apr 22, 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