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

43°F

6°C

Humidity 95%
Wind Speed S 3 mph
Barometer 29.83 in
Dewpoint 42°F (6°C)
Visibility 10.00 mi
Last update 20 Mar 7:15 am CDT
Extended Forecast for

Wilmington IL

  • Today

    Today: Partly sunny, with a high near 73. Southwest wind 10 to 15 mph becoming northwest in the afternoon. Winds could gust as high as 20 mph.

    High: 73 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 40. East northeast wind 5 to 10 mph, with gusts as high as 15 mph.

    Low: 40 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 70. East southeast wind 5 to 10 mph becoming south southwest in the afternoon. Winds could gust as high as 15 mph.

    High: 70 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 54. South southwest wind around 10 mph, with gusts as high as 20 mph.

    Low: 54 °F

    Mostly Clear

  • Sunday

    Sunday: A 20 percent chance of showers after 1pm. Mostly cloudy, with a high near 70. Breezy, with a south southwest wind 10 to 20 mph becoming north in the afternoon. Winds could gust as high as 25 mph.

    High: 70 °F

    Partly Sunny
    then Slight
    Chance
    Showers and
    Breezy

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 33.

    Low: 33 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 49.

    High: 49 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 33.

    Low: 33 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 57.

    High: 57 °F

    Mostly Cloudy

Detailed Forecast

Today
Partly sunny, with a high near 73. Southwest wind 10 to 15 mph becoming northwest in the afternoon. Winds could gust as high as 20 mph.
Tonight
Mostly cloudy, with a low around 40. East northeast wind 5 to 10 mph, with gusts as high as 15 mph.
Saturday
Mostly sunny, with a high near 70. East southeast wind 5 to 10 mph becoming south southwest in the afternoon. Winds could gust as high as 15 mph.
Saturday Night
Mostly clear, with a low around 54. South southwest wind around 10 mph, with gusts as high as 20 mph.
Sunday
A 20 percent chance of showers after 1pm. Mostly cloudy, with a high near 70. Breezy, with a south southwest wind 10 to 20 mph becoming north in the afternoon. Winds could gust as high as 25 mph.
Sunday Night
Mostly cloudy, with a low around 33.
Monday
Mostly sunny, with a high near 49.
Monday Night
Partly cloudy, with a low around 33.
Tuesday
Mostly cloudy, with a high near 57.
Tuesday Night
Mostly cloudy, with a low around 37.
Wednesday
Partly sunny, with a high near 57.
Wednesday Night
Mostly cloudy, with a low around 44.
Thursday
Mostly sunny, with a high near 67.
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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:
6:26 am CDT Mar 20, 2026
Forecast Valid:
7am CDT Mar 20, 2026-6pm CDT Mar 26, 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