Storm Impacting the Southwest U.S.; Above Normal Temperatures Further East

A storm system will shift across the southwest U.S. through Thursday with widespread showers and isolated thunderstorms. Isolated flooding is possible. High-elevation snow is also expected in parts of Nevada and the southern Sierra Nevada range. East of this storm, above average temperatures will challenge or break daily record high temperatures this week in the southern Plains and southeast U.S. 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 100%
Wind Speed E 13 G 17 mph
Barometer 29.97 in
Dewpoint 39°F (4°C)
Visibility 7.00 mi
Wind Chill31°F (-1°C)
Last update 18 Nov 9:15 am CST
Extended Forecast for

De Kalb IL

  • Today

    Today: A 20 percent chance of rain.  Cloudy, with a high near 41. East northeast wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 41 °F

    Slight Chance
    Rain

  • Tonight

    Tonight: A slight chance of drizzle before 9pm.  Cloudy, with a steady temperature around 40. Northeast wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 40 °F

    Slight Chance
    Drizzle then
    Cloudy

  • Wednesday

    Wednesday: Cloudy, with a high near 45. East northeast wind around 5 mph becoming calm  in the afternoon. Winds could gust as high as 10 mph.

    High: 45 °F

    Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 39. Calm wind.

    Low: 39 °F

    Mostly Cloudy

  • Thursday

    Thursday: A 20 percent chance of rain after noon.  Mostly cloudy, with a high near 56. Light and variable wind becoming south southwest 5 to 10 mph in the morning.

    High: 56 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 35.

    Low: 35 °F

    Mostly Cloudy

  • Friday

    Friday: A 20 percent chance of rain after noon.  Mostly sunny, with a high near 48.

    High: 48 °F

    Mostly Sunny
    then Slight
    Chance Rain

  • Friday Night

    Friday Night: A chance of rain before midnight.  Partly cloudy, with a low around 28.

    Low: 28 °F

    Chance Rain
    then Partly
    Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 49.

    High: 49 °F

    Mostly Sunny

Detailed Forecast

Today
A 20 percent chance of rain. Cloudy, with a high near 41. East northeast wind 10 to 15 mph, with gusts as high as 25 mph.
Tonight
A slight chance of drizzle before 9pm. Cloudy, with a steady temperature around 40. Northeast wind 5 to 10 mph, with gusts as high as 20 mph.
Wednesday
Cloudy, with a high near 45. East northeast wind around 5 mph becoming calm in the afternoon. Winds could gust as high as 10 mph.
Wednesday Night
Mostly cloudy, with a low around 39. Calm wind.
Thursday
A 20 percent chance of rain after noon. Mostly cloudy, with a high near 56. Light and variable wind becoming south southwest 5 to 10 mph in the morning.
Thursday Night
Mostly cloudy, with a low around 35.
Friday
A 20 percent chance of rain after noon. Mostly sunny, with a high near 48.
Friday Night
A chance of rain before midnight. Partly cloudy, with a low around 28.
Saturday
Mostly sunny, with a high near 49.
Saturday Night
Partly cloudy, with a low around 32.
Sunday
Mostly sunny, with a high near 52.
Sunday Night
Partly cloudy, with a low around 36.
Monday
Mostly sunny, with a high near 53.
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ABOUT THIS FORECAST

 
Point Forecast:
De Kalb IL
 41.92°N 88.76°W
7:56 am CST Nov 18, 2025
9am CST Nov 18, 2025-6pm CST Nov 24, 2025
 
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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