Additional Severe Weather Concerns for the Center of the Nation; Heat Builds for the West; Critical Fire Weather for Alaska

Active hazardous weather continues for the center of the nation with more severe thunderstorms and heavy rainfall today. Heat will linger across the southern Plains, then expand westward early in the week. The combination of heat and dry conditions will fuel fire weather concerns for the Four Corners region and across interior Alaska. Read More >

Current conditions at

De Kalb Taylor Municipal Airport (KDKB)

Lat: 41.93°NLon: 88.71°WElev: 909ft.

Fair

59°F

15°C

Humidity 89%
Wind Speed Calm
Barometer 29.98 in
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Last update 21 Jun 5:55 am CDT
Extended Forecast for

Sycamore IL

  • Today

    Today: Showers, mainly after noon.  High near 70. Light east southeast wind becoming east 10 to 15 mph in the morning. Winds could gust as high as 25 mph.  Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 70 °F

    Chance
    Showers then
    Showers

  • Tonight

    Tonight: Showers, mainly before 11pm.  Low around 56. East northeast wind around 15 mph, with gusts as high as 25 mph.  Chance of precipitation is 80%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 56 °F

    Showers then
    Chance
    Showers

  • Monday

    Monday: Partly sunny, with a high near 75. North northeast wind around 15 mph, with gusts as high as 20 mph.

    High: 75 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 50. Northeast wind 5 to 10 mph.

    Low: 50 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 76. North northeast wind around 5 mph becoming calm  in the morning.

    High: 76 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers and thunderstorms after 1am.  Partly cloudy, with a low around 56.

    Low: 56 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

  • Wednesday

    Wednesday: A slight chance of showers, then a chance of showers and thunderstorms after 1pm.  Partly sunny, with a high near 78. Chance of precipitation is 40%.

    High: 78 °F

    Slight Chance
    Showers then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 56.

    Low: 56 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 77.

    High: 77 °F

    Mostly Sunny

Detailed Forecast

Today
Showers, mainly after noon. High near 70. Light east southeast wind becoming east 10 to 15 mph in the morning. Winds could gust as high as 25 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Tonight
Showers, mainly before 11pm. Low around 56. East northeast wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New precipitation amounts between a half and three quarters of an inch possible.
Monday
Partly sunny, with a high near 75. North northeast wind around 15 mph, with gusts as high as 20 mph.
Monday Night
Mostly clear, with a low around 50. Northeast wind 5 to 10 mph.
Tuesday
Mostly sunny, with a high near 76. North northeast wind around 5 mph becoming calm in the morning.
Tuesday Night
A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 56.
Wednesday
A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 78. Chance of precipitation is 40%.
Wednesday Night
Partly cloudy, with a low around 56.
Thursday
Mostly sunny, with a high near 77.
Thursday Night
Partly cloudy, with a low around 56.
Friday
Mostly sunny, with a high near 79.
Friday Night
Mostly cloudy, with a low around 58.
Saturday
A chance of showers and thunderstorms. Partly sunny, with a high near 81.
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ABOUT THIS FORECAST

 
Point Forecast:
Sycamore IL
 41.98°N 88.7°W
4:56 am CDT Jun 21, 2026
6am CDT Jun 21, 2026-6pm CDT Jun 27, 2026
 
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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