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.

Fair

34°F

1°C

Humidity 85%
Wind Speed Calm
Barometer 30.34 in
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Last update 20 Apr 7:15 am CDT
Extended Forecast for

De Kalb IL

Freeze Warning April 20, 07:32am until April 20, 09:00am
Click here for hazard details and duration
...
  •  
    Freeze Warning April 20, 07:32am until April 20, 09:00am

    NOW until 9:00am Mon

    Freeze Warning

  • Today

    High: 55 °F

    Frost then
    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 43. South wind 5 to 15 mph, with gusts as high as 20 mph.

    Low: 43 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 75. Southwest wind around 15 mph, with gusts as high as 30 mph.

    High: 75 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers and thunderstorms before 1am. Mostly clear, with a low around 50. West southwest wind 5 to 10 mph becoming north northwest after midnight.

    Low: 50 °F

    Slight Chance
    T-storms

  • Wednesday

    Wednesday: Sunny, with a high near 74. Northeast wind around 5 mph becoming south southeast in the afternoon. Winds could gust as high as 10 mph.

    High: 74 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 55.

    Low: 55 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 79. Breezy.

    High: 79 °F

    Mostly Sunny
    then Partly
    Sunny and
    Breezy

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 60. Breezy.

    Low: 60 °F

    Breezy.
    Chance
    T-storms then
    Showers

Detailed Forecast

Today
Widespread frost before 9am. Otherwise, sunny, with a high near 55. Light and variable wind becoming south 5 to 10 mph in the afternoon.
Tonight
Partly cloudy, with a low around 43. South wind 5 to 15 mph, with gusts as high as 20 mph.
Tuesday
Mostly sunny, with a high near 75. Southwest wind around 15 mph, with gusts as high as 30 mph.
Tuesday Night
A 20 percent chance of showers and thunderstorms before 1am. Mostly clear, with a low around 50. West southwest wind 5 to 10 mph becoming north northwest after midnight.
Wednesday
Sunny, with a high near 74. Northeast wind around 5 mph becoming south southeast in the afternoon. Winds could gust as high as 10 mph.
Wednesday Night
Partly cloudy, with a low around 55.
Thursday
Mostly sunny, with a high near 79. Breezy.
Thursday Night
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 60. Breezy.
Friday
A chance of showers. Mostly cloudy, with a high near 71.
Friday Night
A chance of showers before 1am. Mostly cloudy, with a low around 45.
Saturday
Mostly sunny, with a high near 65.
Saturday Night
Partly cloudy, with a low around 44.
Sunday
Mostly sunny, with a high near 63.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
De Kalb IL
 41.92°N 88.76°W
Last Update:
5:41 am CDT Apr 20, 2026
Forecast Valid:
7am CDT Apr 20, 2026-6pm CDT Apr 26, 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