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

Hazardous Weather Conditions

Current conditions at

Joliet Regional Airport (KJOT)

Lat: 41.52°NLon: 88.18°WElev: 572ft.

Mostly Cloudy

91°F

33°C

Humidity 60%
Wind Speed SW 3 mph
Barometer 29.91 in
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index102°F (39°C)
Last update 3 Sep 5:15 pm CDT
Extended Forecast for

3 Miles SE Channahon IL

Heat Advisory September 3, 05:24pm until September 3, 09:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory September 3, 05:24pm until September 3, 09:00pm

    NOW until 9:00pm Thu

    Heat Advisory

  • This Afternoon

    High: 93 °F

    Chance
    T-storms

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 74. East southeast wind around 5 mph becoming south southwest after midnight.

    Low: 74 °F

    Chance
    T-storms then
    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 94. Heat index values as high as 103. Southeast wind around 5 mph becoming west northwest in the morning. Winds could gust as high as 15 mph.

    High: 94 °F

    Sunny

  • Friday Night

    Friday Night: A 50 percent chance of showers and thunderstorms after 1am. Mostly clear, with a low around 72. West wind around 5 mph becoming calm.

    Low: 72 °F

    Mostly Clear
    then Chance
    T-storms

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 90. Light northeast wind increasing to 5 to 10 mph in the morning.

    High: 90 °F

    Slight Chance
    T-storms

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 67.

    Low: 67 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 85.

    High: 85 °F

    Mostly Sunny

  • Sunday Night

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

    Low: 62 °F

    Partly Cloudy

Detailed Forecast

This Afternoon
A 30 percent chance of showers and thunderstorms. Sunny, with a high near 93. Heat index values as high as 102. South wind around 5 mph.
Tonight
A 30 percent chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 74. East southeast wind around 5 mph becoming south southwest after midnight.
Friday
Sunny, with a high near 94. Heat index values as high as 103. Southeast wind around 5 mph becoming west northwest in the morning. Winds could gust as high as 15 mph.
Friday Night
A 50 percent chance of showers and thunderstorms after 1am. Mostly clear, with a low around 72. West wind around 5 mph becoming calm.
Saturday
A 20 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 90. Light northeast wind increasing to 5 to 10 mph in the morning.
Saturday Night
Partly cloudy, with a low around 67.
Sunday
Mostly sunny, with a high near 85.
Sunday Night
Partly cloudy, with a low around 62.
Labor Day
Mostly sunny, with a high near 84.
Monday Night
Partly cloudy, with a low around 64.
Tuesday
Mostly sunny, with a high near 90.
Tuesday Night
Partly cloudy, with a low around 72.
Wednesday
Mostly sunny, with a high near 92.
Wednesday Night
A chance of showers. Partly cloudy, with a low around 70.
Thursday
Mostly sunny, with a high near 87.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SE Channahon IL
 41.4°N 88.18°W
Last Update:
3:01 pm CDT Sep 3, 2026
Forecast Valid:
5pm CDT Sep 3, 2026-6pm CDT Sep 10, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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