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

64°F

18°C

Humidity 86%
Wind Speed W 12 mph
Barometer 29.84 in
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 16 Apr 12:35 pm CDT
Extended Forecast for

De Kalb IL

  • This Afternoon

    This Afternoon: Scattered showers and thunderstorms before 2pm, then isolated showers between 2pm and 3pm. Mostly sunny, with a high near 70. West northwest wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.

    High: 70 °F

    Scattered
    Showers

  • Tonight

    Tonight: 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, with a west northwest wind around 20 mph, with gusts as high as 30 mph.

    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, mostly clear, with a low around 31.

    Low: 31 °F

    Mostly Clear
    then Areas
    Frost

  • Monday

    Monday: Areas of frost before 9am. Otherwise, sunny, with a high near 59.

    High: 59 °F

    Areas Frost
    then Sunny

Detailed Forecast

This Afternoon
Scattered showers and thunderstorms before 2pm, then isolated showers between 2pm and 3pm. Mostly sunny, with a high near 70. West northwest wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
Tonight
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, with a west northwest wind around 20 mph, with gusts as high as 30 mph.
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, mostly clear, with a low around 31.
Monday
Areas of frost before 9am. Otherwise, sunny, with a high near 59.
Monday Night
Partly cloudy, with a low around 48.
Tuesday
Mostly sunny, with a high near 72.
Tuesday Night
Mostly clear, with a low around 48.
Wednesday
Sunny, with a high near 72.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
De Kalb IL
 41.92°N 88.76°W
Last Update:
11:31 am CDT Apr 16, 2026
Forecast Valid:
12pm CDT Apr 16, 2026-6pm CDT Apr 22, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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