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

27°F

-3°C

Humidity 84%
Wind Speed S 7 mph
Barometer 30.37 in
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Wind Chill19°F (-7°C)
Last update 11 Jan 9:35 pm CST
Extended Forecast for

Wilmington IL

  • Tonight

    Tonight: Partly cloudy, with a temperature rising to around 28 by 3am. Southwest wind around 15 mph, with gusts as high as 30 mph.

    Low: 25 °F⇑

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 42. West southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 42 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 32. South southwest wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 32 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 30 percent chance of rain after noon. Partly sunny, with a high near 50. West southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 50 °F

    Partly Sunny
    then Chance
    Rain

  • Tuesday Night

    Tuesday Night: A 20 percent chance of rain. Mostly cloudy, with a low around 32. West wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 32 °F

    Slight Chance
    Rain

  • Wednesday

    Wednesday: Snow likely, possibly mixed with rain, becoming all snow after 4pm. Mostly cloudy, with a high near 38. Breezy. Chance of precipitation is 70%.

    High: 38 °F

    Chance
    Rain/Snow
    then
    Rain/Snow
    Likely and
    Breezy

  • Wednesday Night

    Wednesday Night: A 30 percent chance of snow. Mostly cloudy, with a low around 16. Blustery.

    Low: 16 °F

    Chance Snow
    and Blustery

  • Thursday

    Thursday: Partly sunny, with a high near 28.

    High: 28 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: A chance of snow. Mostly cloudy, with a low around 22.

    Low: 22 °F

    Chance Snow

Detailed Forecast

Tonight
Partly cloudy, with a temperature rising to around 28 by 3am. Southwest wind around 15 mph, with gusts as high as 30 mph.
Monday
Mostly sunny, with a high near 42. West southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Monday Night
Partly cloudy, with a low around 32. South southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Tuesday
A 30 percent chance of rain after noon. Partly sunny, with a high near 50. West southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Tuesday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 32. West wind 10 to 15 mph, with gusts as high as 20 mph.
Wednesday
Snow likely, possibly mixed with rain, becoming all snow after 4pm. Mostly cloudy, with a high near 38. Breezy. Chance of precipitation is 70%.
Wednesday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 16. Blustery.
Thursday
Partly sunny, with a high near 28.
Thursday Night
A chance of snow. Mostly cloudy, with a low around 22.
Friday
A chance of snow after noon. Mostly cloudy, with a high near 34.
Friday Night
A chance of snow. Mostly cloudy, with a low around 19.
Saturday
A chance of snow. Mostly cloudy, with a high near 26.
Saturday Night
Mostly cloudy, with a low around 10.
Sunday
Mostly sunny, with a high near 24.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Wilmington IL
 41.31°N 88.15°W
Last Update:
9:41 pm CST Jan 11, 2026
Forecast Valid:
9pm CST Jan 11, 2026-6pm CST Jan 18, 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