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.

Mostly Cloudy

77°F

25°C

Humidity 30%
Wind Speed SW 17 G 21 mph
Barometer 29.51 in
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 4 May 2:55 pm CDT
Extended Forecast for

Sycamore IL

  • This Afternoon

    This Afternoon: Scattered showers and thunderstorms, then showers likely and possibly a thunderstorm after 5pm. Patchy blowing dust. Sunny, with a high near 80. Breezy, with a west southwest wind around 20 mph, with gusts as high as 30 mph. Chance of precipitation is 60%.

    High: 80 °F

    Showers
    Likely and
    Breezy

  • Tonight

    Tonight: Scattered showers and thunderstorms before 7pm, then isolated showers after 4am. Mostly cloudy, with a low around 48. West southwest wind around 10 mph becoming north after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 30%.

    Low: 48 °F

    Scattered
    T-storms then
    Isolated
    Showers

  • Tuesday

    Tuesday: Isolated showers before 7am. Mostly cloudy, with a high near 59. North wind around 10 mph. Chance of precipitation is 10%.

    High: 59 °F

    Isolated
    Showers then
    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 39. North wind 5 to 10 mph.

    Low: 39 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 56. West northwest wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 56 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 36.

    Low: 36 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 59.

    High: 59 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 44.

    Low: 44 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 64.

    High: 64 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Scattered showers and thunderstorms, then showers likely and possibly a thunderstorm after 5pm. Patchy blowing dust. Sunny, with a high near 80. Breezy, with a west southwest wind around 20 mph, with gusts as high as 30 mph. Chance of precipitation is 60%.
Tonight
Scattered showers and thunderstorms before 7pm, then isolated showers after 4am. Mostly cloudy, with a low around 48. West southwest wind around 10 mph becoming north after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 30%.
Tuesday
Isolated showers before 7am. Mostly cloudy, with a high near 59. North wind around 10 mph. Chance of precipitation is 10%.
Tuesday Night
Mostly cloudy, with a low around 39. North wind 5 to 10 mph.
Wednesday
Partly sunny, with a high near 56. West northwest wind 5 to 10 mph, with gusts as high as 15 mph.
Wednesday Night
Mostly cloudy, with a low around 36.
Thursday
Mostly sunny, with a high near 59.
Thursday Night
Partly cloudy, with a low around 44.
Friday
Partly sunny, with a high near 64.
Friday Night
Partly cloudy, with a low around 42.
Saturday
Sunny, with a high near 70.
Saturday Night
Partly cloudy, with a low around 47.
Sunday
A chance of showers. Mostly cloudy, with a high near 66.
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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:
2:56 pm CDT May 4, 2026
Forecast Valid:
3pm CDT May 4, 2026-6pm CDT May 10, 2026
 
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Additional Resources

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High Temperature

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Chance of Precipitation