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.

Partly Cloudy

92°F

33°C

Humidity 62%
Wind Speed S 10 mph
Barometer 29.96 in
Dewpoint 77°F (25°C)
Visibility 10.00 mi
Heat Index106°F (41°C)
Last update 30 Jun 12:55 pm CDT
Extended Forecast for

Wilmington IL

Extreme Heat Warning June 30, 01:11pm until July 3, 12:00am
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning June 30, 01:11pm until July 3, 12:00am

    NOW until 12:00am Fri

    Extreme Heat Warning

  • This Afternoon

    High: 92 °F

    Mostly Sunny

  • Tonight

    Tonight: Clear, with a low around 76. South southwest wind 10 to 15 mph, with gusts as high as 30 mph.

    Low: 76 °F

    Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 95. Heat index values as high as 108. Southwest wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 95 °F

    Hot

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 77. South southwest wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 77 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 94. Southwest wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 94 °F

    Sunny

  • Thursday Night

    Thursday Night: A 50 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 75.

    Low: 75 °F

    Partly Cloudy
    then Chance
    T-storms

  • Friday

    Friday: Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 91. Chance of precipitation is 60%.

    High: 91 °F

    Showers
    Likely

  • Friday Night

    Friday Night: A chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 72.

    Low: 72 °F

    Chance
    T-storms

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 92. Heat index values as high as 107. Southwest wind around 15 mph, with gusts as high as 30 mph.
Tonight
Clear, with a low around 76. South southwest wind 10 to 15 mph, with gusts as high as 30 mph.
Wednesday
Sunny and hot, with a high near 95. Heat index values as high as 108. Southwest wind 5 to 15 mph, with gusts as high as 20 mph.
Wednesday Night
Mostly clear, with a low around 77. South southwest wind 10 to 15 mph, with gusts as high as 20 mph.
Thursday
Sunny, with a high near 94. Southwest wind 10 to 15 mph, with gusts as high as 20 mph.
Thursday Night
A 50 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 75.
Friday
Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 91. Chance of precipitation is 60%.
Friday Night
A chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 72.
Independence Day
A chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 89.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 70.
Sunday
A chance of showers and thunderstorms. Partly sunny, with a high near 87.
Sunday Night
Partly cloudy, with a low around 68.
Monday
Mostly sunny, with a high near 86.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Wilmington IL
 41.31°N 88.15°W
Last Update:
11:31 am CDT Jun 30, 2026
Forecast Valid:
1pm CDT Jun 30, 2026-6pm CDT Jul 6, 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