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

74°F

23°C

Humidity 61%
Wind Speed SW 6 mph
Barometer 29.88 in
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Last update 13 Oct 5:35 pm CDT
Extended Forecast for

Sycamore IL

  • Tonight

    Tonight: Showers and thunderstorms likely, mainly before 3am. Increasing clouds, with a low around 60. North northwest wind around 5 mph becoming calm after midnight. Winds could gust as high as 15 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 60 °F

    Showers
    Likely

  • Wednesday

    Wednesday: A slight chance of showers and thunderstorms before 7am, then a slight chance of showers between 7am and 9am. Mostly cloudy, with a high near 66. North northeast wind 5 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 20%.

    High: 66 °F

    Slight Chance
    T-storms then
    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 54. East northeast wind 5 to 10 mph, with gusts as high as 15 mph.

    Low: 54 °F

    Mostly Cloudy

  • Thursday

    Thursday: A chance of showers and thunderstorms before 7am, then showers and possibly a thunderstorm between 7am and 1pm, then showers after 1pm. High near 62. East wind 5 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 100%.

    High: 62 °F

    Showers

  • Thursday Night

    Thursday Night: Showers likely before 1am. Cloudy, with a low around 44. Breezy, with an east northeast wind 5 to 10 mph becoming northwest 15 to 20 mph after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 70%.

    Low: 44 °F

    Showers
    Likely and
    Breezy

  • Friday

    Friday: Partly sunny, with a high near 56. Breezy.

    High: 56 °F

    Partly Sunny
    and Breezy

  • Friday Night

    Friday Night: Patchy frost after 2am. Otherwise, mostly clear, with a low around 32.

    Low: 32 °F

    Mostly Clear
    then Patchy
    Frost

  • Saturday

    Saturday: Areas of frost before 8am. Otherwise, sunny, with a high near 59.

    High: 59 °F

    Areas Frost
    then Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 38.

    Low: 38 °F

    Clear

Detailed Forecast

Tonight
Showers and thunderstorms likely, mainly before 3am. Increasing clouds, with a low around 60. North northwest wind around 5 mph becoming calm after midnight. Winds could gust as high as 15 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
A slight chance of showers and thunderstorms before 7am, then a slight chance of showers between 7am and 9am. Mostly cloudy, with a high near 66. North northeast wind 5 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 20%.
Wednesday Night
Mostly cloudy, with a low around 54. East northeast wind 5 to 10 mph, with gusts as high as 15 mph.
Thursday
A chance of showers and thunderstorms before 7am, then showers and possibly a thunderstorm between 7am and 1pm, then showers after 1pm. High near 62. East wind 5 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 100%.
Thursday Night
Showers likely before 1am. Cloudy, with a low around 44. Breezy, with an east northeast wind 5 to 10 mph becoming northwest 15 to 20 mph after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 70%.
Friday
Partly sunny, with a high near 56. Breezy.
Friday Night
Patchy frost after 2am. Otherwise, mostly clear, with a low around 32.
Saturday
Areas of frost before 8am. Otherwise, sunny, with a high near 59.
Saturday Night
Clear, with a low around 38.
Sunday
Sunny, with a high near 66.
Sunday Night
Mostly cloudy, with a low around 46.
Monday
Partly sunny, with a high near 68.
Monday Night
Mostly cloudy, with a low around 46.
Tuesday
Mostly sunny, with a high near 71.
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ABOUT THIS FORECAST

 
Point Forecast:
Sycamore IL
 41.98°N 88.7°W
Last Update:
3:17 pm CDT Oct 13, 2026
Forecast Valid:
5pm CDT Oct 13, 2026-6pm CDT Oct 20, 2026
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation