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

42°F

6°C

Humidity 73%
Wind Speed S 8 mph
Barometer 29.97 in
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Wind Chill37°F (3°C)
Last update 30 Mar 2:55 am CDT
Extended Forecast for

De Kalb IL

  • Overnight

    Overnight: Mostly clear, with a steady temperature around 46. South wind around 10 mph.

    Low: 46 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 76. South southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 76 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A 30 percent chance of showers and thunderstorms, mainly between 3am and 5am. Mostly cloudy, with a low around 62. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 62 °F

    Mostly Cloudy
    then Chance
    T-storms

  • Tuesday

    Tuesday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 4pm. High near 75. Breezy, with a south southwest wind 15 to 25 mph, with gusts as high as 35 mph. Chance of precipitation is 80%.

    High: 75 °F

    Breezy.
    Slight Chance
    T-storms then
    Showers

  • Tuesday Night

    Tuesday Night: Showers and possibly a thunderstorm before 10pm, then a chance of showers and thunderstorms between 10pm and 1am, then a chance of showers after 1am. Low around 37. Northwest wind around 15 mph becoming north northeast after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 80%.

    Low: 37 °F

    Showers then
    Chance
    Showers

  • Wednesday

    Wednesday: A 50 percent chance of showers, mainly after 1pm. Mostly cloudy, with a high near 44. Breezy.

    High: 44 °F

    Slight Chance
    Showers then
    Chance
    Showers and
    Breezy

  • Wednesday Night

    Wednesday Night: Showers. Low around 36. Breezy. Chance of precipitation is 90%.

    Low: 36 °F

    Showers and
    Breezy

  • Thursday

    Thursday: Showers. Cloudy, with a high near 60.

    High: 60 °F

    Showers

  • Thursday Night

    Thursday Night: Showers likely, mainly before 1am. Mostly cloudy, with a low around 42.

    Low: 42 °F

    Showers
    Likely

Detailed Forecast

Overnight
Mostly clear, with a steady temperature around 46. South wind around 10 mph.
Monday
Mostly sunny, with a high near 76. South southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Monday Night
A 30 percent chance of showers and thunderstorms, mainly between 3am and 5am. Mostly cloudy, with a low around 62. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Tuesday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 4pm. High near 75. Breezy, with a south southwest wind 15 to 25 mph, with gusts as high as 35 mph. Chance of precipitation is 80%.
Tuesday Night
Showers and possibly a thunderstorm before 10pm, then a chance of showers and thunderstorms between 10pm and 1am, then a chance of showers after 1am. Low around 37. Northwest wind around 15 mph becoming north northeast after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 80%.
Wednesday
A 50 percent chance of showers, mainly after 1pm. Mostly cloudy, with a high near 44. Breezy.
Wednesday Night
Showers. Low around 36. Breezy. Chance of precipitation is 90%.
Thursday
Showers. Cloudy, with a high near 60.
Thursday Night
Showers likely, mainly before 1am. Mostly cloudy, with a low around 42.
Friday
A chance of showers after 1pm. Mostly cloudy, with a high near 61.
Friday Night
Showers likely. Mostly cloudy, with a low around 42.
Saturday
Showers likely. Mostly cloudy, with a high near 60. Breezy.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 35.
Sunday
Partly sunny, with a high near 50. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
De Kalb IL
 41.92°N 88.76°W
Last Update:
1:55 am CDT Mar 30, 2026
Forecast Valid:
3am CDT Mar 30, 2026-6pm CDT Apr 5, 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