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.

Fog/Mist

64°F

18°C

Humidity 100%
Wind Speed SW 9 mph
Barometer 29.95 in
Dewpoint 64°F (18°C)
Visibility 3.00 mi
Last update 13 Apr 9:35 am CDT
Extended Forecast for

De Kalb IL

  • Today

    Today: A 40 percent chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 75. South wind around 15 mph, with gusts as high as 25 mph.

    High: 75 °F

    Mostly Cloudy
    then Chance
    T-storms

  • Tonight

    Tonight: A 40 percent chance of showers and thunderstorms, mainly after 2am. Mostly cloudy, with a low around 65. Breezy, with a south wind 15 to 20 mph, with gusts as high as 30 mph.

    Low: 65 °F

    Chance
    T-storms and
    Breezy

  • Tuesday

    Tuesday: A 50 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 79. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 79 °F

    Breezy.
    Partly Sunny
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Showers and thunderstorms, mainly before 4am, then showers likely and possibly a thunderstorm after 4am. Low around 61. Southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%.

    Low: 61 °F

    T-storms

  • Wednesday

    Wednesday: Showers and possibly a thunderstorm. High near 72. South southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%.

    High: 72 °F

    Showers
    Likely then
    T-storms

  • Wednesday Night

    Wednesday Night: Showers and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Low around 58. Chance of precipitation is 80%.

    Low: 58 °F

    T-storms then
    Showers

  • Thursday

    Thursday: A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 74.

    High: 74 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 53.

    Low: 53 °F

    Mostly Clear

  • Friday

    Friday: A chance of showers after 1pm. Partly sunny, with a high near 81.

    High: 81 °F

    Partly Sunny
    then Chance
    Showers

Detailed Forecast

Today
A 40 percent chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 75. South wind around 15 mph, with gusts as high as 25 mph.
Tonight
A 40 percent chance of showers and thunderstorms, mainly after 2am. Mostly cloudy, with a low around 65. Breezy, with a south wind 15 to 20 mph, with gusts as high as 30 mph.
Tuesday
A 50 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 79. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 30 mph.
Tuesday Night
Showers and thunderstorms, mainly before 4am, then showers likely and possibly a thunderstorm after 4am. Low around 61. Southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%.
Wednesday
Showers and possibly a thunderstorm. High near 72. South southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%.
Wednesday Night
Showers and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Low around 58. Chance of precipitation is 80%.
Thursday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 74.
Thursday Night
Mostly clear, with a low around 53.
Friday
A chance of showers after 1pm. Partly sunny, with a high near 81.
Friday Night
Showers and possibly a thunderstorm. Mostly cloudy, with a low around 53.
Saturday
A chance of showers. Partly sunny, with a high near 63. Breezy.
Saturday Night
Mostly cloudy, with a low around 36.
Sunday
Mostly sunny, with a high near 55.
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:
5:46 am CDT Apr 13, 2026
Forecast Valid:
10am CDT Apr 13, 2026-6pm CDT Apr 19, 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