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

57°F

14°C

Humidity 100%
Wind Speed SE 6 mph
Barometer 29.74 in
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 16 Apr 4:35 am CDT
Extended Forecast for

De Kalb IL

  • Overnight

    Overnight: Scattered showers. Cloudy, with a steady temperature around 61. South southeast wind around 10 mph, with gusts as high as 15 mph. Chance of precipitation is 30%.

    Low: 61 °F

    Scattered
    Showers

  • Thursday

    Thursday: Scattered showers and thunderstorms, mainly before 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 70. South southwest wind 10 to 15 mph becoming northwest in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 30%.

    High: 70 °F

    Scattered
    Showers

  • Thursday Night

    Thursday Night: Patchy fog after 1am. Otherwise, mostly clear, with a low around 52. Northwest wind around 5 mph becoming southeast after midnight. Winds could gust as high as 10 mph.

    Low: 52 °F

    Mostly Clear
    then Patchy
    Fog

  • Friday

    Friday: A 20 percent chance of showers and thunderstorms after 1pm. Patchy fog before 8am. Otherwise, partly sunny, with a high near 80. Breezy, with a south wind 10 to 15 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.

    High: 80 °F

    Patchy Fog
    then Slight
    Chance
    T-storms and
    Breezy

  • Friday Night

    Friday Night: Showers and possibly a thunderstorm before 4am, then showers likely. Low around 43. Breezy, with a south wind 15 to 20 mph becoming west northwest after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 90%.

    Low: 43 °F

    Breezy.
    T-storms then
    Showers

  • Saturday

    Saturday: A 20 percent chance of showers before 9am. Partly sunny, with a high near 50. Breezy.

    High: 50 °F

    Breezy.
    Slight Chance
    Showers then
    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 32.

    Low: 32 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 51.

    High: 51 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Areas of frost after 1am. Otherwise, partly cloudy, with a low around 32.

    Low: 32 °F

    Partly Cloudy
    then Areas
    Frost

Detailed Forecast

Overnight
Scattered showers. Cloudy, with a steady temperature around 61. South southeast wind around 10 mph, with gusts as high as 15 mph. Chance of precipitation is 30%.
Thursday
Scattered showers and thunderstorms, mainly before 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 70. South southwest wind 10 to 15 mph becoming northwest in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 30%.
Thursday Night
Patchy fog after 1am. Otherwise, mostly clear, with a low around 52. 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 1pm. Patchy fog before 8am. Otherwise, partly sunny, with a high near 80. Breezy, with a south wind 10 to 15 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.
Friday Night
Showers and possibly a thunderstorm before 4am, then showers likely. Low around 43. Breezy, with a south wind 15 to 20 mph becoming west northwest after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 90%.
Saturday
A 20 percent chance of showers before 9am. Partly sunny, with a high near 50. Breezy.
Saturday Night
Mostly clear, with a low around 32.
Sunday
Mostly sunny, with a high near 51.
Sunday Night
Areas of frost after 1am. Otherwise, partly cloudy, with a low around 32.
Monday
Areas of frost before 9am. Otherwise, sunny, with a high near 59.
Monday Night
Partly cloudy, with a low around 46.
Tuesday
Mostly sunny, with a high near 72.
Tuesday Night
Partly cloudy, with a low around 49.
Wednesday
Sunny, with a high near 69.
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ABOUT THIS FORECAST

 
Point Forecast:
De Kalb IL
 41.92°N 88.76°W
Last Update:
4:01 am CDT Apr 16, 2026
Forecast Valid:
4am CDT Apr 16, 2026-6pm CDT Apr 22, 2026
 
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Additional Resources

Radar & Satellite Image

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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