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

Heavy Rain and Flooding Possible in the Southwest U.S, Ohio Valley, and Hawaii

Heavy rainfall is expected to continue through Thursday over New Mexico into far west Texas. Flash flooding and debris flows in wildfire burn areas will be possible. Heavy rain and flash flooding is also expected over the southern Appalachians and Ohio Valley. Tropical Depression 15-E, southeast of Hawaii, is expected to bring heavy rain beginning today to the Big Island and Maui. Read More >

Hazardous Weather Conditions

Current conditions at

De Kalb Taylor Municipal Airport (KDKB)

Lat: 41.93°NLon: 88.71°WElev: 909ft.

Overcast

64°F

18°C

Humidity 70%
Wind Speed E 14 G 17 mph
Barometer 30.36 in
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 23 Sep 5:55 pm CDT
Extended Forecast for

De Kalb IL

  • Tonight

    Tonight: Mostly cloudy, with a low around 54. East northeast wind 5 to 10 mph, with gusts as high as 15 mph.

    Low: 54 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 68. East wind 5 to 10 mph.

    High: 68 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 56. East northeast wind around 5 mph.

    Low: 56 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 66. East wind around 5 mph.

    High: 66 °F

    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 50. East wind around 5 mph.

    Low: 50 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 66.

    High: 66 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 51.

    Low: 51 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Sunday

    Sunday: Mostly cloudy, with a high near 65.

    High: 65 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 50.

    Low: 50 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 54. East northeast wind 5 to 10 mph, with gusts as high as 15 mph.
Thursday
Mostly sunny, with a high near 68. East wind 5 to 10 mph.
Thursday Night
Mostly cloudy, with a low around 56. East northeast wind around 5 mph.
Friday
Partly sunny, with a high near 66. East wind around 5 mph.
Friday Night
Partly cloudy, with a low around 50. East wind around 5 mph.
Saturday
Partly sunny, with a high near 66.
Saturday Night
A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 51.
Sunday
Mostly cloudy, with a high near 65.
Sunday Night
Mostly cloudy, with a low around 50.
Monday
Mostly sunny, with a high near 68.
Monday Night
Mostly clear, with a low around 54.
Tuesday
A chance of showers. Partly sunny, with a high near 71.
Tuesday Night
Showers likely. Mostly cloudy, with a low around 59.
Wednesday
Showers likely. Cloudy, with a high near 68.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
De Kalb IL
 41.92°N 88.76°W
Last Update:
3:46 pm CDT Sep 23, 2026
Forecast Valid:
6pm CDT Sep 23, 2026-6pm CDT Sep 30, 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