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

65°F

18°C

Humidity 84%
Wind Speed W 5 mph
Barometer 30.07 in
Dewpoint 60°F (16°C)
Visibility 7.00 mi
Last update 14 Jul 1:15 am CDT
Extended Forecast for

Sycamore IL

  • Overnight

    Overnight: Mostly clear, with a low around 62. Calm wind.

    Low: 62 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 85. Calm wind becoming south southwest around 5 mph in the afternoon.

    High: 85 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 65. Calm wind.

    Low: 65 °F

    Mostly Clear

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 88. Calm wind becoming south around 5 mph in the morning. Winds could gust as high as 15 mph.

    High: 88 °F

    Sunny then
    Slight Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A slight chance of showers and thunderstorms between 1am and 4am, then a slight chance of showers after 4am. Partly cloudy, with a low around 69. South wind around 5 mph becoming calm in the evening. Chance of precipitation is 20%.

    Low: 69 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

  • Wednesday

    Wednesday: A slight chance of showers, then a chance of showers and thunderstorms after 7am. Partly sunny, with a high near 87. Chance of precipitation is 40%.

    High: 87 °F

    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 69.

    Low: 69 °F

    Chance
    T-storms

  • Thursday

    Thursday: A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 82.

    High: 82 °F

    Chance
    Showers then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers before 1am. Mostly cloudy, with a low around 63.

    Low: 63 °F

    Chance
    Showers

Detailed Forecast

Overnight
Mostly clear, with a low around 62. Calm wind.
Monday
Sunny, with a high near 85. Calm wind becoming south southwest around 5 mph in the afternoon.
Monday Night
Mostly clear, with a low around 65. Calm wind.
Tuesday
A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 88. Calm wind becoming south around 5 mph in the morning. Winds could gust as high as 15 mph.
Tuesday Night
A slight chance of showers and thunderstorms between 1am and 4am, then a slight chance of showers after 4am. Partly cloudy, with a low around 69. South wind around 5 mph becoming calm in the evening. Chance of precipitation is 20%.
Wednesday
A slight chance of showers, then a chance of showers and thunderstorms after 7am. Partly sunny, with a high near 87. Chance of precipitation is 40%.
Wednesday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 69.
Thursday
A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 82.
Thursday Night
A chance of showers before 1am. Mostly cloudy, with a low around 63.
Friday
Partly sunny, with a high near 79.
Friday Night
Partly cloudy, with a low around 62.
Saturday
A chance of showers. Partly sunny, with a high near 82.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 65.
Sunday
A chance of showers. Partly sunny, with a high near 83.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Sycamore IL
 41.98°N 88.7°W
Last Update:
1:11 am CDT Jul 14, 2025
Forecast Valid:
1am CDT Jul 14, 2025-6pm CDT Jul 20, 2025
 
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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