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 and Breezy

35°F

2°C

Humidity 84%
Wind Speed NE 21 G 26 mph
Barometer 30.21 in
Dewpoint 31°F (-1°C)
Visibility 10.00 mi
Wind Chill24°F (-4°C)
Last update 1 Apr 9:55 am CDT
Extended Forecast for

De Kalb IL

  • Today

    Today: Mostly cloudy, with a high near 41. Breezy, with an east northeast wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 41 °F

    Mostly Cloudy
    and Breezy

  • Tonight

    Tonight: Rain, with thunderstorms also possible after 1am. Low around 38. Breezy, with an east wind 15 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 38 °F

    Rain and
    Breezy

  • Thursday

    Thursday: Showers and possibly a thunderstorm. High near 70. Windy, with a south wind 15 to 20 mph increasing to 25 to 30 mph in the afternoon. Winds could gust as high as 40 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 70 °F

    Showers and
    Windy

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm before 1am. Mostly cloudy, with a low around 44. Breezy, with a west southwest wind 15 to 25 mph, with gusts as high as 35 mph. Chance of precipitation is 70%.

    Low: 44 °F

    Showers
    Likely and
    Breezy

  • Friday

    Friday: A chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 69. West southwest wind 5 to 10 mph becoming south southeast in the afternoon. Winds could gust as high as 15 mph. Chance of precipitation is 30%.

    High: 69 °F

    Mostly Sunny
    then Chance
    Showers

  • Friday Night

    Friday Night: Showers and possibly a thunderstorm. Low around 48. Chance of precipitation is 100%.

    Low: 48 °F

    Showers

  • Saturday

    Saturday: A chance of showers and thunderstorms. Mostly cloudy, with a high near 62. Breezy. Chance of precipitation is 50%.

    High: 62 °F

    Chance
    Showers and
    Breezy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 32. Breezy.

    Low: 32 °F

    Mostly Cloudy
    and Breezy

  • Sunday

    Sunday: Partly sunny, with a high near 49. Breezy.

    High: 49 °F

    Partly Sunny
    and Breezy

Detailed Forecast

Today
Mostly cloudy, with a high near 41. Breezy, with an east northeast wind 15 to 20 mph, with gusts as high as 30 mph.
Tonight
Rain, with thunderstorms also possible after 1am. Low around 38. Breezy, with an east wind 15 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Thursday
Showers and possibly a thunderstorm. High near 70. Windy, with a south wind 15 to 20 mph increasing to 25 to 30 mph in the afternoon. Winds could gust as high as 40 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Thursday Night
Showers likely and possibly a thunderstorm before 1am. Mostly cloudy, with a low around 44. Breezy, with a west southwest wind 15 to 25 mph, with gusts as high as 35 mph. Chance of precipitation is 70%.
Friday
A chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 69. West southwest wind 5 to 10 mph becoming south southeast in the afternoon. Winds could gust as high as 15 mph. Chance of precipitation is 30%.
Friday Night
Showers and possibly a thunderstorm. Low around 48. Chance of precipitation is 100%.
Saturday
A chance of showers and thunderstorms. Mostly cloudy, with a high near 62. Breezy. Chance of precipitation is 50%.
Saturday Night
Mostly cloudy, with a low around 32. Breezy.
Sunday
Partly sunny, with a high near 49. Breezy.
Sunday Night
Mostly clear, with a low around 30.
Monday
A chance of showers. Mostly sunny, with a high near 55.
Monday Night
A chance of showers. Mostly cloudy, with a low around 32.
Tuesday
Partly sunny, with a high near 48.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
De Kalb IL
 41.92°N 88.76°W
Last Update:
9:01 am CDT Apr 1, 2026
Forecast Valid:
10am CDT Apr 1, 2026-6pm CDT Apr 7, 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