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

Joliet Regional Airport (KJOT)

Lat: 41.52°NLon: 88.18°WElev: 572ft.

Partly Cloudy

87°F

31°C

Humidity 46%
Wind Speed W 6 mph
Barometer 30.06 in
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Heat Index88°F (31°C)
Last update 7 Jul 4:15 pm CDT
Extended Forecast for

Wilmington IL

  • Tonight

    Tonight: Mostly clear, with a low around 65. West wind around 5 mph becoming calm.

    Low: 65 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 86. Calm wind becoming southwest around 5 mph in the morning. Winds could gust as high as 10 mph.

    High: 86 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 69. South southwest wind around 5 mph, with gusts as high as 10 mph.

    Low: 69 °F

    Partly Cloudy

  • Thursday

    Thursday: A 50 percent chance of showers and thunderstorms after 1pm. Increasing clouds, with a high near 87. Heat index values as high as 96. Southwest wind 5 to 10 mph.

    High: 87 °F

    Mostly Sunny
    then Chance
    T-storms

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 68. West southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 70%.

    Low: 68 °F

    Showers
    Likely

  • Friday

    Friday: A chance of showers, with thunderstorms also possible after 10am. Mostly cloudy, with a high near 83. Chance of precipitation is 40%.

    High: 83 °F

    Chance
    Showers then
    Chance
    T-storms

  • Friday Night

    Friday Night: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 64.

    Low: 64 °F

    Chance
    T-storms

  • Saturday

    Saturday: A chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 84.

    High: 84 °F

    Partly Sunny
    then Chance
    T-storms

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 65.

    Low: 65 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 65. West wind around 5 mph becoming calm.
Wednesday
Sunny, with a high near 86. Calm wind becoming southwest around 5 mph in the morning. Winds could gust as high as 10 mph.
Wednesday Night
Partly cloudy, with a low around 69. South southwest wind around 5 mph, with gusts as high as 10 mph.
Thursday
A 50 percent chance of showers and thunderstorms after 1pm. Increasing clouds, with a high near 87. Heat index values as high as 96. Southwest wind 5 to 10 mph.
Thursday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 68. West southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 70%.
Friday
A chance of showers, with thunderstorms also possible after 10am. Mostly cloudy, with a high near 83. Chance of precipitation is 40%.
Friday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 64.
Saturday
A chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 84.
Saturday Night
Partly cloudy, with a low around 65.
Sunday
Sunny, with a high near 85.
Sunday Night
Mostly clear, with a low around 66.
Monday
Sunny, with a high near 88.
Monday Night
Mostly clear, with a low around 68.
Tuesday
Sunny, with a high near 88.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Wilmington IL
 41.31°N 88.15°W
Last Update:
2:41 pm CDT Jul 7, 2026
Forecast Valid:
4pm CDT Jul 7, 2026-6pm CDT Jul 14, 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