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.

Fair

68°F

20°C

Humidity 61%
Wind Speed SW 5 mph
Barometer 29.55 in
Dewpoint 53°F (12°C)
Visibility 10.00 mi
Last update 22 Mar 5:15 am CDT
Extended Forecast for

Wilmington IL

  • Today

    Today: A 20 percent chance of rain after 1pm. Increasing clouds, with a temperature falling to around 43 by 5pm. Breezy, with a southwest wind 10 to 15 mph becoming north northeast 15 to 20 mph in the morning. Winds could gust as high as 30 mph.

    High: 59 °F⇓

    Mostly Cloudy
    then Slight
    Chance Rain
    and Breezy

  • Tonight

    Tonight: Mostly cloudy, with a low around 30. Blustery, with a north wind 10 to 20 mph, with gusts as high as 30 mph.

    Low: 30 °F

    Mostly Cloudy
    and Blustery
    then Mostly
    Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 47. North wind 5 to 10 mph.

    High: 47 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 30. East northeast wind around 5 mph becoming southeast after midnight. Winds could gust as high as 10 mph.

    Low: 30 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 59. South southwest wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 59 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 42.

    Low: 42 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 62.

    High: 62 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 48.

    Low: 48 °F

    Mostly Cloudy

  • Thursday

    Thursday: A chance of showers after 1pm. Partly sunny, with a high near 73.

    High: 73 °F

    Mostly Sunny
    then Chance
    Showers

Detailed Forecast

Today
A 20 percent chance of rain after 1pm. Increasing clouds, with a temperature falling to around 43 by 5pm. Breezy, with a southwest wind 10 to 15 mph becoming north northeast 15 to 20 mph in the morning. Winds could gust as high as 30 mph.
Tonight
Mostly cloudy, with a low around 30. Blustery, with a north wind 10 to 20 mph, with gusts as high as 30 mph.
Monday
Mostly sunny, with a high near 47. North wind 5 to 10 mph.
Monday Night
Mostly cloudy, with a low around 30. East northeast wind around 5 mph becoming southeast after midnight. Winds could gust as high as 10 mph.
Tuesday
Partly sunny, with a high near 59. South southwest wind 5 to 10 mph, with gusts as high as 15 mph.
Tuesday Night
Mostly cloudy, with a low around 42.
Wednesday
Mostly cloudy, with a high near 62.
Wednesday Night
Mostly cloudy, with a low around 48.
Thursday
A chance of showers after 1pm. Partly sunny, with a high near 73.
Thursday Night
Mostly cloudy, with a low around 33.
Friday
Partly sunny, with a high near 46.
Friday Night
Mostly clear, with a low around 28.
Saturday
Sunny, with a high near 54.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Wilmington IL
 41.31°N 88.15°W
Last Update:
4:11 am CDT Mar 22, 2026
Forecast Valid:
5am CDT Mar 22, 2026-6pm CDT Mar 28, 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