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.

Partly Cloudy and Breezy

72°F

22°C

Humidity 43%
Wind Speed W 21 G 30 mph
Barometer 29.62 in
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 16 Jun 2:15 pm CDT
Extended Forecast for

Sycamore IL

  • This Afternoon

    This Afternoon: Mostly sunny, with a steady temperature around 71. Breezy, with a west wind around 20 mph, with gusts as high as 35 mph.

    High: 71 °F

    Mostly Sunny
    and Breezy

  • Tonight

    Tonight: Partly cloudy, with a low around 53. West northwest wind 5 to 15 mph becoming southwest after midnight. Winds could gust as high as 25 mph.

    Low: 53 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Showers and thunderstorms, mainly after 8am. Some of the storms could be severe and produce heavy rainfall. High near 68. Breezy, with a south southwest wind 5 to 10 mph becoming south southeast 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 100%. New rainfall amounts between 2 and 3 inches possible.

    High: 68 °F

    Severe
    Thunderstorms
    and Breezy

  • Wednesday Night

    Wednesday Night: A 40 percent chance of showers and thunderstorms, mainly before 9pm. Some of the storms could be severe. Mostly cloudy, with a low around 57. South wind 10 to 15 mph becoming west in the evening. Winds could gust as high as 20 mph.

    Low: 57 °F

    Severe
    Thunderstorms
    then Partly
    Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 71. Breezy, with a west northwest wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 71 °F

    Partly Sunny
    and Breezy
    then Mostly
    Sunny

  • Thursday Night

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

    Low: 53 °F

    Mostly Clear

  • Juneteenth

    Juneteenth: Sunny, with a high near 74.

    High: 74 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 55.

    Low: 55 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 78.

    High: 78 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a steady temperature around 71. Breezy, with a west wind around 20 mph, with gusts as high as 35 mph.
Tonight
Partly cloudy, with a low around 53. West northwest wind 5 to 15 mph becoming southwest after midnight. Winds could gust as high as 25 mph.
Wednesday
Showers and thunderstorms, mainly after 8am. Some of the storms could be severe and produce heavy rainfall. High near 68. Breezy, with a south southwest wind 5 to 10 mph becoming south southeast 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 100%. New rainfall amounts between 2 and 3 inches possible.
Wednesday Night
A 40 percent chance of showers and thunderstorms, mainly before 9pm. Some of the storms could be severe. Mostly cloudy, with a low around 57. South wind 10 to 15 mph becoming west in the evening. Winds could gust as high as 20 mph.
Thursday
Partly sunny, with a high near 71. Breezy, with a west northwest wind 15 to 20 mph, with gusts as high as 30 mph.
Thursday Night
Mostly clear, with a low around 53.
Juneteenth
Sunny, with a high near 74.
Friday Night
Mostly clear, with a low around 55.
Saturday
Mostly sunny, with a high near 78.
Saturday Night
A chance of showers after 1am. Mostly cloudy, with a low around 58.
Sunday
A chance of showers and thunderstorms. Mostly cloudy, with a high near 74.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 58.
Monday
Partly sunny, with a high near 76.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Sycamore IL
 41.98°N 88.67°W
Last Update:
2:26 pm CDT Jun 16, 2026
Forecast Valid:
2pm CDT Jun 16, 2026-6pm CDT Jun 22, 2026
 
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Additional Resources

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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