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

47°F

8°C

Humidity 57%
Wind Speed W 6 mph
Barometer 29.85 in
Dewpoint 33°F (1°C)
Visibility 10.00 mi
Wind Chill44°F (7°C)
Last update 27 Feb 10:35 pm CST
Extended Forecast for

Wilmington IL

  • Tonight

    Tonight: Mostly clear, with a low around 30. North northwest wind 5 to 15 mph, with gusts as high as 25 mph.

    Low: 30 °F

    Mostly Clear

  • Saturday

    Saturday: Partly sunny, with a high near 41. North wind 5 to 15 mph becoming east northeast in the afternoon. Winds could gust as high as 25 mph.

    High: 41 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 24. North wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 24 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 35. Northeast wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 35 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: A 40 percent chance of snow. Mostly cloudy, with a low around 23. East northeast wind around 5 mph, with gusts as high as 15 mph.

    Low: 23 °F

    Chance Snow

  • Monday

    Monday: A 20 percent chance of snow before noon. Partly sunny, with a high near 42.

    High: 42 °F

    Slight Chance
    Snow then
    Mostly Cloudy

  • Monday Night

    Monday Night: A 40 percent chance of rain, mainly after midnight. Mostly cloudy, with a low around 31.

    Low: 31 °F

    Chance Rain

  • Tuesday

    Tuesday: Rain likely. Cloudy, with a high near 45.

    High: 45 °F

    Rain Likely

  • Tuesday Night

    Tuesday Night: A chance of rain. Mostly cloudy, with a low around 33.

    Low: 33 °F

    Chance Rain

Detailed Forecast

Tonight
Mostly clear, with a low around 30. North northwest wind 5 to 15 mph, with gusts as high as 25 mph.
Saturday
Partly sunny, with a high near 41. North wind 5 to 15 mph becoming east northeast in the afternoon. Winds could gust as high as 25 mph.
Saturday Night
Mostly cloudy, with a low around 24. North wind 10 to 15 mph, with gusts as high as 25 mph.
Sunday
Mostly cloudy, with a high near 35. Northeast wind 5 to 10 mph, with gusts as high as 15 mph.
Sunday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 23. East northeast wind around 5 mph, with gusts as high as 15 mph.
Monday
A 20 percent chance of snow before noon. Partly sunny, with a high near 42.
Monday Night
A 40 percent chance of rain, mainly after midnight. Mostly cloudy, with a low around 31.
Tuesday
Rain likely. Cloudy, with a high near 45.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 33.
Wednesday
A chance of rain. Mostly cloudy, with a high near 50.
Wednesday Night
Rain likely. Cloudy, with a low around 41.
Thursday
Rain likely. Mostly cloudy, with a high near 56.
Thursday Night
A chance of rain. Partly cloudy, with a low around 42.
Friday
A chance of rain. Cloudy, with a high near 59.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Wilmington IL
 41.31°N 88.15°W
Last Update:
9:31 pm CST Feb 27, 2026
Forecast Valid:
10pm CST Feb 27, 2026-6pm CST Mar 6, 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