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

34°F

1°C

Humidity 63%
Wind Speed NW 8 mph
Barometer 30.38 in
Dewpoint 22°F (-6°C)
Visibility 10.00 mi
Wind Chill27°F (-3°C)
Last update 11 Jan 12:15 pm CST
Extended Forecast for

Wilmington IL

  • This Afternoon

    This Afternoon: Cloudy, with a high near 33. West northwest wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 33 °F

    Cloudy

  • Tonight

    Tonight: Mostly cloudy, with a low around 27. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 27 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 42. West southwest wind around 10 mph, with gusts as high as 20 mph.

    High: 42 °F

    Mostly Sunny

  • Monday Night

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

    Low: 32 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: A 20 percent chance of showers before 3pm. Partly sunny, with a high near 49. West southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 49 °F

    Slight Chance
    Showers

  • Tuesday Night

    Tuesday Night: A slight chance of rain and snow showers after 3am. Mostly cloudy, with a low around 32. Chance of precipitation is 20%.

    Low: 32 °F

    Mostly Cloudy
    then Slight
    Chance
    Rain/Snow

  • Wednesday

    Wednesday: A 50 percent chance of snow showers. Mostly cloudy, with a high near 35. Breezy.

    High: 35 °F

    Chance Snow
    Showers and
    Breezy

  • Wednesday Night

    Wednesday Night: A chance of snow showers before midnight. Mostly cloudy, with a low around 17. Blustery.

    Low: 17 °F

    Chance Snow
    Showers and
    Blustery then
    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 28.

    High: 28 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Cloudy, with a high near 33. West northwest wind 10 to 15 mph, with gusts as high as 20 mph.
Tonight
Mostly cloudy, with a low around 27. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Monday
Mostly sunny, with a high near 42. West southwest wind around 10 mph, with gusts as high as 20 mph.
Monday Night
Increasing clouds, with a low around 32. South southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Tuesday
A 20 percent chance of showers before 3pm. Partly sunny, with a high near 49. West southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Tuesday Night
A slight chance of rain and snow showers after 3am. Mostly cloudy, with a low around 32. Chance of precipitation is 20%.
Wednesday
A 50 percent chance of snow showers. Mostly cloudy, with a high near 35. Breezy.
Wednesday Night
A chance of snow showers before midnight. Mostly cloudy, with a low around 17. Blustery.
Thursday
Mostly sunny, with a high near 28.
Thursday Night
A chance of snow. Mostly cloudy, with a low around 22.
Friday
A chance of snow showers. Mostly cloudy, with a high near 34.
Friday Night
A chance of snow showers. Mostly cloudy, with a low around 19.
Saturday
Partly sunny, with a high near 26.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Wilmington IL
 41.31°N 88.15°W
Last Update:
11:56 am CST Jan 11, 2026
Forecast Valid:
12pm CST Jan 11, 2026-6pm CST Jan 17, 2026
 
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Additional Resources

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High Temperature

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Chance of Precipitation