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.

Fair

89°F

32°C

Humidity 68%
Wind Speed S 12 mph
Barometer 29.92 in
Dewpoint 77°F (25°C)
Visibility 10.00 mi
Heat Index102°F (39°C)
Last update 4 Sep 4:55 pm CDT
Extended Forecast for

Waterman IL

Heat Advisory September 4, 05:12pm until September 4, 10:00pm
Click here for hazard details and duration
...
  •  
    Heat Advisory September 4, 05:12pm until September 4, 10:00pm

    NOW until 10:00pm Fri

    Heat Advisory

  • Tonight

    Low: 72 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms and
    Patchy Fog

  • Saturday

    Saturday: Patchy fog before 9am. Otherwise, sunny, with a high near 86. Northwest wind 5 to 10 mph becoming north northeast in the afternoon. Winds could gust as high as 15 mph.

    High: 86 °F

    Patchy Fog
    then Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 63. Northeast wind 5 to 10 mph, with gusts as high as 15 mph.

    Low: 63 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 82. East wind 5 to 10 mph.

    High: 82 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 60. East wind 5 to 10 mph.

    Low: 60 °F

    Mostly Clear

  • Labor Day

    Labor Day: Mostly sunny, with a high near 81.

    High: 81 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 62.

    Low: 62 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 87.

    High: 87 °F

    Partly Sunny

Detailed Forecast

Tonight
A slight chance of showers and thunderstorms between midnight and 4am. Patchy fog after 4am. Otherwise, partly cloudy, with a low around 72. West southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 20%.
Saturday
Patchy fog before 9am. Otherwise, sunny, with a high near 86. Northwest wind 5 to 10 mph becoming north northeast in the afternoon. Winds could gust as high as 15 mph.
Saturday Night
Partly cloudy, with a low around 63. Northeast wind 5 to 10 mph, with gusts as high as 15 mph.
Sunday
Sunny, with a high near 82. East wind 5 to 10 mph.
Sunday Night
Mostly clear, with a low around 60. East wind 5 to 10 mph.
Labor Day
Mostly sunny, with a high near 81.
Monday Night
Partly cloudy, with a low around 62.
Tuesday
Partly sunny, with a high near 87.
Tuesday Night
A chance of showers after 1am. Partly cloudy, with a low around 70.
Wednesday
Partly sunny, with a high near 89.
Wednesday Night
A chance of showers. Partly cloudy, with a low around 65.
Thursday
Mostly sunny, with a high near 81.
Thursday Night
Partly cloudy, with a low around 59.
Friday
Partly sunny, with a high near 81.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Waterman IL
 41.77°N 88.77°W
Last Update:
3:01 pm CDT Sep 4, 2026
Forecast Valid:
5pm CDT Sep 4, 2026-6pm CDT Sep 11, 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