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 38%
Wind Speed W 14 G 18 mph
Barometer 29.88 in
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 15 Jun 5:55 pm CDT
Extended Forecast for

Sycamore IL

  • Tonight

    Tonight: Partly cloudy, with a low around 56. South southwest wind 5 to 10 mph, with gusts as high as 15 mph.

    Low: 56 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A chance of showers and thunderstorms before 11am, then a slight chance of showers. Mostly cloudy, then gradually becoming sunny, with a high near 73. Breezy, with a south southwest wind 10 to 15 mph becoming west 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 50%.

    High: 73 °F

    Breezy.
    Chance
    Showers then
    Slight Chance
    Showers

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 52. West northwest wind 5 to 15 mph becoming south southwest after midnight. Winds could gust as high as 25 mph.

    Low: 52 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A slight chance of showers and thunderstorms, then showers and possibly a thunderstorm after 7am. Some of the storms could produce heavy rainfall. High near 72. Breezy, with a south southeast wind 5 to 10 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 100%.

    High: 72 °F

    Showers then
    Heavy Rain
    and Breezy

  • Wednesday Night

    Wednesday Night: Showers and thunderstorms likely before 10pm, then a slight chance of showers between 10pm and 1am. Mostly cloudy, with a low around 57. West southwest wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 70%.

    Low: 57 °F

    T-storms
    Likely then
    Slight Chance
    Showers

  • Thursday

    Thursday: Partly sunny, with a high near 71. Breezy.

    High: 71 °F

    Partly Sunny
    and Breezy
    then Mostly
    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 52.

    Low: 52 °F

    Mostly Clear

  • Juneteenth

    Juneteenth: Sunny, with a high near 73.

    High: 73 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 54.

    Low: 54 °F

    Mostly Clear

Detailed Forecast

Tonight
Partly cloudy, with a low around 56. South southwest wind 5 to 10 mph, with gusts as high as 15 mph.
Tuesday
A chance of showers and thunderstorms before 11am, then a slight chance of showers. Mostly cloudy, then gradually becoming sunny, with a high near 73. Breezy, with a south southwest wind 10 to 15 mph becoming west 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 50%.
Tuesday Night
Partly cloudy, with a low around 52. West northwest wind 5 to 15 mph becoming south southwest after midnight. Winds could gust as high as 25 mph.
Wednesday
A slight chance of showers and thunderstorms, then showers and possibly a thunderstorm after 7am. Some of the storms could produce heavy rainfall. High near 72. Breezy, with a south southeast wind 5 to 10 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 100%.
Wednesday Night
Showers and thunderstorms likely before 10pm, then a slight chance of showers between 10pm and 1am. Mostly cloudy, with a low around 57. West southwest wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 70%.
Thursday
Partly sunny, with a high near 71. Breezy.
Thursday Night
Mostly clear, with a low around 52.
Juneteenth
Sunny, with a high near 73.
Friday Night
Mostly clear, with a low around 54.
Saturday
Mostly sunny, with a high near 75.
Saturday Night
A chance of showers. Partly cloudy, with a low around 57.
Sunday
A chance of showers. Partly sunny, with a high near 77.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 59.
Monday
Partly sunny, with a high near 76.
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ABOUT THIS FORECAST

 
Point Forecast:
Sycamore IL
 41.98°N 88.7°W
Last Update:
2:51 pm CDT Jun 15, 2026
Forecast Valid:
6pm CDT Jun 15, 2026-6pm CDT Jun 22, 2026
 
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