National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Joliet Regional Airport (KJOT)

Lat: 41.52°NLon: 88.18°WElev: 572ft.

Fog/Mist

41°F

5°C

Humidity 93%
Wind Speed E 5 mph
Barometer 30.00 in
Dewpoint 39°F (4°C)
Visibility 5.00 mi
Wind Chill38°F (3°C)
Last update 27 Dec 4:35 am CST
Extended Forecast for

Wilmington IL

  • Today

    Today: Patchy fog before noon. Otherwise, cloudy, with a high near 45. Southeast wind 5 to 10 mph.

    High: 45 °F

    Patchy Fog
    then Cloudy

  • Tonight

    Tonight: Showers likely, mainly after 3am. Patchy fog after midnight. Otherwise, cloudy, with a temperature rising to around 52 by 5am. Southeast wind 5 to 10 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 44 °F⇑

    Slight Chance
    Showers then
    Showers
    Likely and
    Patchy Fog

  • Sunday

    Sunday: Showers and possibly a thunderstorm. Patchy fog before noon. High near 62. South wind 5 to 15 mph becoming west southwest in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.

    High: 62 °F

    Showers and
    Patchy Fog

  • Sunday Night

    Sunday Night: Rain showers likely before 9pm, then rain and snow showers likely between 9pm and midnight, then a slight chance of snow showers after midnight. Some thunder is also possible. Cloudy, with a low around 17. Wind chill values as low as zero. Windy, with a west wind 20 to 25 mph increasing to 25 to 30 mph after midnight. Winds could gust as high as 45 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 17 °F

    Rain/Snow
    Likely and
    Windy

  • Monday

    Monday: A 30 percent chance of snow showers before noon. Mostly cloudy, with a high near 24. Windy, with a west wind 20 to 30 mph, with gusts as high as 45 mph.

    High: 24 °F

    Windy. Chance
    Snow Showers
    then Mostly
    Cloudy

  • Monday Night

    Monday Night: Partly cloudy, with a low around 13. Blustery.

    Low: 13 °F

    Mostly Cloudy
    and Blustery
    then Mostly
    Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 28.

    High: 28 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 22.

    Low: 22 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 33.

    High: 33 °F

    Mostly Cloudy

Detailed Forecast

Today
Patchy fog before noon. Otherwise, cloudy, with a high near 45. Southeast wind 5 to 10 mph.
Tonight
Showers likely, mainly after 3am. Patchy fog after midnight. Otherwise, cloudy, with a temperature rising to around 52 by 5am. Southeast wind 5 to 10 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Sunday
Showers and possibly a thunderstorm. Patchy fog before noon. High near 62. South wind 5 to 15 mph becoming west southwest in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.
Sunday Night
Rain showers likely before 9pm, then rain and snow showers likely between 9pm and midnight, then a slight chance of snow showers after midnight. Some thunder is also possible. Cloudy, with a low around 17. Wind chill values as low as zero. Windy, with a west wind 20 to 25 mph increasing to 25 to 30 mph after midnight. Winds could gust as high as 45 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Monday
A 30 percent chance of snow showers before noon. Mostly cloudy, with a high near 24. Windy, with a west wind 20 to 30 mph, with gusts as high as 45 mph.
Monday Night
Partly cloudy, with a low around 13. Blustery.
Tuesday
Mostly sunny, with a high near 28.
Tuesday Night
Mostly cloudy, with a low around 22.
Wednesday
Mostly cloudy, with a high near 33.
Wednesday Night
Mostly cloudy, with a low around 12.
New Year's Day
Mostly sunny, with a high near 20.
Thursday Night
Mostly clear, with a low around 6.
Friday
Mostly sunny, with a high near 21.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Wilmington IL
 41.31°N 88.15°W
Last Update:
3:46 am CST Dec 27, 2025
Forecast Valid:
4am CST Dec 27, 2025-6pm CST Jan 2, 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