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

70°F

21°C

Humidity 97%
Wind Speed SE 3 mph
Barometer 29.82 in
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Last update 18 Jun 12:35 am CDT
Extended Forecast for

Sycamore IL

  • Overnight

    Overnight: Scattered showers and thunderstorms before 5am, then a slight chance of showers. Mostly cloudy, with a low around 68. West wind around 5 mph becoming south southeast. Winds could gust as high as 10 mph. Chance of precipitation is 40%.

    Low: 68 °F

    Scattered
    T-storms

  • Wednesday

    Wednesday: Showers and thunderstorms, mainly before 4pm. High near 76. Southwest wind 5 to 10 mph becoming north northwest in the afternoon. Chance of precipitation is 80%. New rainfall amounts between 1 and 2 inches possible.

    High: 76 °F

    T-storms

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms before 7pm, then a slight chance of showers between 7pm and 1am. Mostly cloudy, with a low around 62. West northwest wind 5 to 10 mph. Chance of precipitation is 30%.

    Low: 62 °F

    Chance
    T-storms then
    Slight Chance
    Showers

  • Juneteenth

    Juneteenth: Mostly sunny, with a high near 81. West northwest wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 81 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 63. Southwest wind 5 to 10 mph.

    Low: 63 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 87.

    High: 87 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 71.

    Low: 71 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 94. Breezy.

    High: 94 °F

    Sunny then
    Sunny and
    Breezy

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 75.

    Low: 75 °F

    Mostly Clear

Detailed Forecast

Overnight
Scattered showers and thunderstorms before 5am, then a slight chance of showers. Mostly cloudy, with a low around 68. West wind around 5 mph becoming south southeast. Winds could gust as high as 10 mph. Chance of precipitation is 40%.
Wednesday
Showers and thunderstorms, mainly before 4pm. High near 76. Southwest wind 5 to 10 mph becoming north northwest in the afternoon. Chance of precipitation is 80%. New rainfall amounts between 1 and 2 inches possible.
Wednesday Night
A chance of showers and thunderstorms before 7pm, then a slight chance of showers between 7pm and 1am. Mostly cloudy, with a low around 62. West northwest wind 5 to 10 mph. Chance of precipitation is 30%.
Juneteenth
Mostly sunny, with a high near 81. West northwest wind 5 to 10 mph, with gusts as high as 20 mph.
Thursday Night
Mostly clear, with a low around 63. Southwest wind 5 to 10 mph.
Friday
Mostly sunny, with a high near 87.
Friday Night
Mostly clear, with a low around 71.
Saturday
Sunny, with a high near 94. Breezy.
Saturday Night
Mostly clear, with a low around 75.
Sunday
Sunny and hot, with a high near 95.
Sunday Night
Mostly clear, with a low around 74.
Monday
Sunny, with a high near 94.
Monday Night
Mostly clear, with a low around 72.
Tuesday
A chance of showers. Mostly sunny, with a high near 92.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Sycamore IL
 41.98°N 88.7°W
Last Update:
12:41 am CDT Jun 18, 2025
Forecast Valid:
12am CDT Jun 18, 2025-6pm CDT Jun 24, 2025
 
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