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.

Overcast

60°F

16°C

Humidity 53%
Wind Speed E 10 mph
Barometer 30.01 in
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Last update 13 May 3:15 pm CDT
Extended Forecast for

Wilmington IL

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 62. North wind around 15 mph, with gusts as high as 25 mph.

    High: 62 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming clear, with a low around 39. North northeast wind 5 to 10 mph becoming light and variable in the evening. Winds could gust as high as 20 mph.

    Low: 39 °F

    Decreasing
    Clouds

  • Thursday

    Thursday: Sunny, with a high near 70. Calm wind becoming north around 5 mph.

    High: 70 °F

    Sunny

  • Thursday Night

    Thursday Night: A 20 percent chance of showers after 1am. Increasing clouds, with a low around 49. East southeast wind 5 to 10 mph, with gusts as high as 15 mph.

    Low: 49 °F

    Mostly Clear
    then Slight
    Chance
    Showers

  • Friday

    Friday: A 40 percent chance of showers before 1pm. Partly sunny, with a high near 73. South wind around 15 mph, with gusts as high as 30 mph.

    High: 73 °F

    Chance
    Showers

  • Friday Night

    Friday Night: A 40 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 60.

    Low: 60 °F

    Partly Cloudy
    then Chance
    T-storms

  • Saturday

    Saturday: Showers and thunderstorms likely, mainly after 1pm. Partly sunny, with a high near 81. Chance of precipitation is 60%.

    High: 81 °F

    T-storms
    Likely

  • Saturday Night

    Saturday Night: Showers and thunderstorms likely, mainly before 1am. Mostly cloudy, with a low around 61.

    Low: 61 °F

    T-storms
    Likely

  • Sunday

    Sunday: A chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 82.

    High: 82 °F

    Partly Sunny
    then Chance
    T-storms

Detailed Forecast

This Afternoon
Partly sunny, with a high near 62. North wind around 15 mph, with gusts as high as 25 mph.
Tonight
Mostly cloudy, then gradually becoming clear, with a low around 39. North northeast wind 5 to 10 mph becoming light and variable in the evening. Winds could gust as high as 20 mph.
Thursday
Sunny, with a high near 70. Calm wind becoming north around 5 mph.
Thursday Night
A 20 percent chance of showers after 1am. Increasing clouds, with a low around 49. East southeast wind 5 to 10 mph, with gusts as high as 15 mph.
Friday
A 40 percent chance of showers before 1pm. Partly sunny, with a high near 73. South wind around 15 mph, with gusts as high as 30 mph.
Friday Night
A 40 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 60.
Saturday
Showers and thunderstorms likely, mainly after 1pm. Partly sunny, with a high near 81. Chance of precipitation is 60%.
Saturday Night
Showers and thunderstorms likely, mainly before 1am. Mostly cloudy, with a low around 61.
Sunday
A chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 82.
Sunday Night
Partly cloudy, with a low around 66.
Monday
A chance of showers and thunderstorms. Mostly sunny, with a high near 86. Breezy.
Monday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 66. Breezy.
Tuesday
Showers and thunderstorms likely. Mostly cloudy, with a high near 77.
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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:
2:31 pm CDT May 13, 2026
Forecast Valid:
3pm CDT May 13, 2026-6pm CDT May 19, 2026
 
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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