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.

Fair

35°F

2°C

Humidity 99%
Wind Speed Calm
Barometer 30.03 in
Dewpoint 35°F (2°C)
Visibility 7.00 mi
Last update 30 Apr 2:55 am CDT
Extended Forecast for

Wilmington IL

  • Overnight

    Overnight: Patchy fog. Otherwise, mostly clear, with a low around 38. Calm wind.

    Low: 38 °F

    Patchy Fog

  • Thursday

    Thursday: Scattered showers, mainly after 4pm. Patchy fog before 8am. Otherwise, increasing clouds, with a high near 57. Light west northwest wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 20 mph. Chance of precipitation is 40%.

    High: 57 °F

    Patchy Fog
    then
    Scattered
    Showers

  • Thursday Night

    Thursday Night: Scattered showers, mainly before 1am. Mostly cloudy, with a low around 39. Northeast wind around 5 mph, with gusts as high as 15 mph. Chance of precipitation is 40%.

    Low: 39 °F

    Scattered
    Showers

  • Friday

    Friday: Mostly sunny, with a high near 54. North northwest wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 54 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Patchy frost after 1am. Otherwise, partly cloudy, with a low around 36. North northeast wind around 5 mph becoming calm after midnight. Winds could gust as high as 10 mph.

    Low: 36 °F

    Partly Cloudy
    then Patchy
    Frost

  • Saturday

    Saturday: Areas of frost before 8am. Otherwise, mostly sunny, with a high near 56.

    High: 56 °F

    Areas Frost
    then Mostly
    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 39.

    Low: 39 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 66.

    High: 66 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A chance of showers before 1am. Mostly cloudy, with a low around 50.

    Low: 50 °F

    Chance
    Showers

Detailed Forecast

Overnight
Patchy fog. Otherwise, mostly clear, with a low around 38. Calm wind.
Thursday
Scattered showers, mainly after 4pm. Patchy fog before 8am. Otherwise, increasing clouds, with a high near 57. Light west northwest wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 20 mph. Chance of precipitation is 40%.
Thursday Night
Scattered showers, mainly before 1am. Mostly cloudy, with a low around 39. Northeast wind around 5 mph, with gusts as high as 15 mph. Chance of precipitation is 40%.
Friday
Mostly sunny, with a high near 54. North northwest wind 5 to 10 mph, with gusts as high as 15 mph.
Friday Night
Patchy frost after 1am. Otherwise, partly cloudy, with a low around 36. North northeast wind around 5 mph becoming calm after midnight. Winds could gust as high as 10 mph.
Saturday
Areas of frost before 8am. Otherwise, mostly sunny, with a high near 56.
Saturday Night
Partly cloudy, with a low around 39.
Sunday
Mostly sunny, with a high near 66.
Sunday Night
A chance of showers before 1am. Mostly cloudy, with a low around 50.
Monday
A chance of showers after 1pm. Mostly sunny, with a high near 72. Breezy.
Monday Night
A chance of showers. Partly cloudy, with a low around 50.
Tuesday
A chance of showers. Mostly sunny, with a high near 66.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 49.
Wednesday
A chance of showers. Partly sunny, with a high near 62.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Wilmington IL
 41.31°N 88.15°W
Last Update:
3:01 am CDT Apr 30, 2026
Forecast Valid:
3am CDT Apr 30, 2026-6pm CDT May 6, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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