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

Hazardous Weather Conditions

Current conditions at

Greater Kankakee Airport (KIKK)

Lat: 41.07°NLon: 87.85°WElev: 617ft.

Fair

93°F

34°C

Humidity 54%
Wind Speed S 5 mph
Barometer 29.93 in
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Heat Index103°F (39°C)
Last update 4 Sep 3:35 pm CDT
Extended Forecast for

Peotone IL

Heat Advisory September 4, 03:48pm until September 4, 10:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory September 4, 03:48pm until September 4, 10:00pm

    NOW until 10:00pm Fri

    Heat Advisory

  • This Afternoon

    High: 92 °F

    Sunny

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly between 1am and 3am. Partly cloudy, with a low around 72. West wind around 5 mph becoming calm in the evening.

    Low: 72 °F

    Partly Cloudy
    then Chance
    T-storms

  • Saturday

    Saturday: Sunny, with a high near 86. Heat index values as high as 95. Light and variable wind becoming north 5 to 10 mph in the morning. Winds could gust as high as 15 mph.

    High: 86 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 64. North northeast wind 5 to 10 mph, with gusts as high as 15 mph.

    Low: 64 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 81. East northeast wind 5 to 10 mph.

    High: 81 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 60.

    Low: 60 °F

    Mostly Clear

  • Labor Day

    Labor Day: Sunny, with a high near 82.

    High: 82 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 61.

    Low: 61 °F

    Partly Cloudy

Detailed Forecast

This Afternoon
Sunny, with a high near 92. Heat index values as high as 104. West wind around 5 mph, with gusts as high as 10 mph.
Tonight
A 30 percent chance of showers and thunderstorms, mainly between 1am and 3am. Partly cloudy, with a low around 72. West wind around 5 mph becoming calm in the evening.
Saturday
Sunny, with a high near 86. Heat index values as high as 95. Light and variable wind becoming north 5 to 10 mph in the morning. Winds could gust as high as 15 mph.
Saturday Night
Partly cloudy, with a low around 64. North northeast wind 5 to 10 mph, with gusts as high as 15 mph.
Sunday
Sunny, with a high near 81. East northeast wind 5 to 10 mph.
Sunday Night
Mostly clear, with a low around 60.
Labor Day
Sunny, with a high near 82.
Monday Night
Partly cloudy, with a low around 61.
Tuesday
Mostly sunny, with a high near 88.
Tuesday Night
Partly cloudy, with a low around 70.
Wednesday
Mostly sunny, with a high near 91.
Wednesday Night
A chance of showers. Partly cloudy, with a low around 66.
Thursday
Mostly sunny, with a high near 82.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Peotone IL
 41.34°N 87.8°W
Last Update:
3:01 pm CDT Sep 4, 2026
Forecast Valid:
3pm CDT Sep 4, 2026-6pm CDT Sep 10, 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