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.

Overcast

59°F

15°C

Humidity 57%
Wind Speed S 20 mph
Barometer 30.01 in
Dewpoint 44°F (7°C)
Visibility 10.00 mi
Last update 8 Apr 10:55 pm CDT
Extended Forecast for

De Kalb IL

  • Tonight

    Tonight: Scattered showers before 2am, then showers likely and possibly a thunderstorm between 2am and 4am, then scattered showers after 4am. Mostly cloudy, with a low around 50. Breezy, with a south wind 10 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 50 °F

    Breezy.
    Scattered
    Showers then
    Showers
    Likely

  • Thursday

    Thursday: Scattered showers before 7am. Mostly cloudy, then gradually becoming sunny, with a high near 65. West wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.

    High: 65 °F

    Scattered
    Showers then
    Mostly Sunny

  • Thursday Night

    Thursday Night: Showers and thunderstorms likely before 10pm, then showers and possibly a thunderstorm between 10pm and 4am, then showers after 4am. Low around 43. Northwest wind 5 to 10 mph becoming northeast after midnight. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 43 °F

    Showers

  • Friday

    Friday: Showers likely, mainly before 10am. Cloudy, then gradually becoming mostly sunny, with a high near 56. North wind around 10 mph. Chance of precipitation is 60%.

    High: 56 °F

    Showers
    Likely then
    Chance
    Showers

  • Friday Night

    Friday Night: Mostly clear, with a low around 36. East wind around 5 mph.

    Low: 36 °F

    Mostly Clear

  • Saturday

    Saturday: Partly sunny, with a high near 59.

    High: 59 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 51. Chance of precipitation is 30%.

    Low: 51 °F

    Chance
    Showers

  • Sunday

    Sunday: A chance of showers after 1pm. Mostly cloudy, with a high near 75. Breezy.

    High: 75 °F

    Breezy.
    Mostly Cloudy
    then Chance
    Showers

  • Sunday Night

    Sunday Night: Showers likely, with thunderstorms also possible after 1am. Mostly cloudy, with a low around 63. Breezy.

    Low: 63 °F

    Showers
    Likely and
    Breezy

Detailed Forecast

Tonight
Scattered showers before 2am, then showers likely and possibly a thunderstorm between 2am and 4am, then scattered showers after 4am. Mostly cloudy, with a low around 50. Breezy, with a south wind 10 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
Scattered showers before 7am. Mostly cloudy, then gradually becoming sunny, with a high near 65. West wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
Thursday Night
Showers and thunderstorms likely before 10pm, then showers and possibly a thunderstorm between 10pm and 4am, then showers after 4am. Low around 43. Northwest wind 5 to 10 mph becoming northeast after midnight. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Friday
Showers likely, mainly before 10am. Cloudy, then gradually becoming mostly sunny, with a high near 56. North wind around 10 mph. Chance of precipitation is 60%.
Friday Night
Mostly clear, with a low around 36. East wind around 5 mph.
Saturday
Partly sunny, with a high near 59.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 51. Chance of precipitation is 30%.
Sunday
A chance of showers after 1pm. Mostly cloudy, with a high near 75. Breezy.
Sunday Night
Showers likely, with thunderstorms also possible after 1am. Mostly cloudy, with a low around 63. Breezy.
Monday
A chance of showers. Mostly cloudy, with a high near 78. Breezy.
Monday Night
Showers likely. Mostly cloudy, with a low around 62.
Tuesday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 73.
Tuesday Night
Showers likely. Mostly cloudy, with a low around 42.
Wednesday
A chance of showers. Mostly cloudy, with a high near 56.
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ABOUT THIS FORECAST

 
Point Forecast:
De Kalb IL
 41.92°N 88.76°W
Last Update:
9:17 pm CDT Apr 8, 2026
Forecast Valid:
10pm CDT Apr 8, 2026-6pm CDT Apr 15, 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