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

73°F

23°C

Humidity 29%
Wind Speed NW 6 mph
Barometer 30.10 in
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Last update 8 Oct 11:55 am CDT
Extended Forecast for

Wilmington IL

  • This Afternoon

    This Afternoon: Sunny, with a high near 75. West northwest wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 75 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 51. Calm wind.

    Low: 51 °F

    Mostly Clear

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms, mainly before 3pm. Partly sunny, with a high near 79. Light east southeast wind becoming south southeast 5 to 10 mph in the morning. Winds could gust as high as 15 mph.

    High: 79 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Friday Night

    Friday Night: Clear, with a low around 60. South wind 5 to 10 mph, with gusts as high as 15 mph.

    Low: 60 °F

    Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 83. South wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 83 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A 30 percent chance of showers after 1am. Mostly cloudy, with a low around 59.

    Low: 59 °F

    Mostly Cloudy
    then Chance
    Showers

  • Sunday

    Sunday: A 20 percent chance of showers before 1pm. Partly sunny, with a high near 74.

    High: 74 °F

    Slight Chance
    Showers

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 56.

    Low: 56 °F

    Partly Cloudy

  • Columbus Day

    Columbus Day: Mostly sunny, with a high near 82.

    High: 82 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 75. West northwest wind 5 to 10 mph, with gusts as high as 15 mph.
Tonight
Mostly clear, with a low around 51. Calm wind.
Friday
A 30 percent chance of showers and thunderstorms, mainly before 3pm. Partly sunny, with a high near 79. Light east southeast wind becoming south southeast 5 to 10 mph in the morning. Winds could gust as high as 15 mph.
Friday Night
Clear, with a low around 60. South wind 5 to 10 mph, with gusts as high as 15 mph.
Saturday
Mostly sunny, with a high near 83. South wind 5 to 10 mph, with gusts as high as 15 mph.
Saturday Night
A 30 percent chance of showers after 1am. Mostly cloudy, with a low around 59.
Sunday
A 20 percent chance of showers before 1pm. Partly sunny, with a high near 74.
Sunday Night
Partly cloudy, with a low around 56.
Columbus Day
Mostly sunny, with a high near 82.
Monday Night
A chance of showers. Partly cloudy, with a low around 57.
Tuesday
Mostly sunny, with a high near 70.
Tuesday Night
Partly cloudy, with a low around 46.
Wednesday
Mostly sunny, with a high near 67.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Wilmington IL
 41.31°N 88.15°W
Last Update:
11:16 am CDT Oct 8, 2026
Forecast Valid:
12pm CDT Oct 8, 2026-6pm CDT Oct 14, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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