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.

Drizzle

67°F

19°C

Humidity 100%
Wind Speed W 7 mph
Barometer 29.79 in
Dewpoint 67°F (19°C)
Visibility 4.00 mi
Last update 15 Oct 9:55 pm CDT
Extended Forecast for

Wilmington IL

  • Tonight

    Tonight: A 30 percent chance of showers, mainly before midnight. Cloudy, with a low around 48. Breezy, with a west northwest wind 15 to 20 mph, with gusts as high as 30 mph.

    Low: 48 °F

    Chance
    Showers and
    Breezy

  • Friday

    Friday: A 50 percent chance of showers after 1pm. Mostly cloudy, with a steady temperature around 51. Breezy, with a west northwest wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 51 °F

    Mostly Cloudy
    then Chance
    Showers and
    Breezy

  • Friday Night

    Friday Night: Mostly cloudy during the early evening, then gradual clearing, with a low around 35. North northwest wind 10 to 15 mph, with gusts as high as 30 mph.

    Low: 35 °F

    Gradual
    Clearing

  • Saturday

    Saturday: Areas of frost before 9am. Otherwise, sunny, with a high near 58. North northwest wind around 5 mph becoming west southwest in the afternoon.

    High: 58 °F

    Areas Frost
    then Sunny

  • Saturday Night

    Saturday Night: Patchy frost after 5am. Otherwise, clear, with a low around 37. South wind around 5 mph, with gusts as high as 10 mph.

    Low: 37 °F

    Clear then
    Patchy Frost

  • Sunday

    Sunday: Patchy frost before 7am. Otherwise, sunny, with a high near 66.

    High: 66 °F

    Patchy Frost
    then Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 40.

    Low: 40 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 70.

    High: 70 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 42.

    Low: 42 °F

    Partly Cloudy

Detailed Forecast

Tonight
A 30 percent chance of showers, mainly before midnight. Cloudy, with a low around 48. Breezy, with a west northwest wind 15 to 20 mph, with gusts as high as 30 mph.
Friday
A 50 percent chance of showers after 1pm. Mostly cloudy, with a steady temperature around 51. Breezy, with a west northwest wind 15 to 20 mph, with gusts as high as 30 mph.
Friday Night
Mostly cloudy during the early evening, then gradual clearing, with a low around 35. North northwest wind 10 to 15 mph, with gusts as high as 30 mph.
Saturday
Areas of frost before 9am. Otherwise, sunny, with a high near 58. North northwest wind around 5 mph becoming west southwest in the afternoon.
Saturday Night
Patchy frost after 5am. Otherwise, clear, with a low around 37. South wind around 5 mph, with gusts as high as 10 mph.
Sunday
Patchy frost before 7am. Otherwise, sunny, with a high near 66.
Sunday Night
Mostly clear, with a low around 40.
Monday
Mostly sunny, with a high near 70.
Monday Night
Partly cloudy, with a low around 42.
Tuesday
Mostly sunny, with a high near 74.
Tuesday Night
Mostly clear, with a low around 44.
Wednesday
Sunny, with a high near 75.
Wednesday Night
Mostly clear, with a low around 48.
Thursday
Sunny, with a high near 76.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Wilmington IL
 41.33°N 88.15°W
Last Update:
10:01 pm CDT Oct 15, 2026
Forecast Valid:
10pm CDT Oct 15, 2026-6pm CDT Oct 22, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation