National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Storm Impacting the Southwest U.S.

A slow moving weather disturbance will continue to bring periodic rain showers, a few isolated thunderstorms, and a localized flash flooding across the Southwest. The threat will expand into the Southern Plains Wednesday night. Moderate to heavy snow across the Sierra Nevada and southern Utah Ranges will continue into the overnight period. Read More >

Current conditions at

De Kalb Taylor Municipal Airport (KDKB)

Lat: 41.93°NLon: 88.71°WElev: 909ft.

Overcast

39°F

4°C

Humidity 97%
Wind Speed NE 8 mph
Barometer 30.19 in
Dewpoint 38°F (3°C)
Visibility 10.00 mi
Wind Chill33°F (1°C)
Last update 19 Nov 4:35 am CST
Extended Forecast for

Sycamore IL

  • Today

    Today: Cloudy, with a high near 44. Northeast wind around 5 mph becoming east southeast in the afternoon.

    High: 44 °F

    Cloudy

  • Tonight

    Tonight: Cloudy, with a low around 40. East southeast wind around 5 mph becoming calm.

    Low: 40 °F

    Cloudy

  • Thursday

    Thursday: Cloudy, with a high near 53. Light south wind becoming south southwest 5 to 10 mph in the morning. Winds could gust as high as 15 mph.

    High: 53 °F

    Cloudy

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 40. Southwest wind around 5 mph becoming north after midnight.

    Low: 40 °F

    Mostly Cloudy

  • Friday

    Friday: A 20 percent chance of rain after noon. Mostly cloudy, with a high near 52. North northeast wind around 5 mph, with gusts as high as 15 mph.

    High: 52 °F

    Partly Sunny
    then Slight
    Chance Rain

  • Friday Night

    Friday Night: A 30 percent chance of rain, mainly before midnight. Mostly cloudy, with a low around 34.

    Low: 34 °F

    Chance Rain

  • Saturday

    Saturday: A 20 percent chance of rain before noon. Mostly sunny, with a high near 52.

    High: 52 °F

    Slight Chance
    Rain then
    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 38.

    Low: 38 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 56.

    High: 56 °F

    Mostly Sunny

Detailed Forecast

Today
Cloudy, with a high near 44. Northeast wind around 5 mph becoming east southeast in the afternoon.
Tonight
Cloudy, with a low around 40. East southeast wind around 5 mph becoming calm.
Thursday
Cloudy, with a high near 53. Light south wind becoming south southwest 5 to 10 mph in the morning. Winds could gust as high as 15 mph.
Thursday Night
Mostly cloudy, with a low around 40. Southwest wind around 5 mph becoming north after midnight.
Friday
A 20 percent chance of rain after noon. Mostly cloudy, with a high near 52. North northeast wind around 5 mph, with gusts as high as 15 mph.
Friday Night
A 30 percent chance of rain, mainly before midnight. Mostly cloudy, with a low around 34.
Saturday
A 20 percent chance of rain before noon. Mostly sunny, with a high near 52.
Saturday Night
Partly cloudy, with a low around 38.
Sunday
Mostly sunny, with a high near 56.
Sunday Night
Partly cloudy, with a low around 35.
Monday
Mostly sunny, with a high near 54.
Monday Night
Partly cloudy, with a low around 35.
Tuesday
Partly sunny, with a high near 50.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Sycamore IL
 41.98°N 88.7°W
Last Update:
3:51 am CST Nov 19, 2025
Forecast Valid:
4am CST Nov 19, 2025-6pm CST Nov 25, 2025
 
Forecast Discussion
 
Get as KML Get as XML

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