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

38°F

3°C

Humidity 71%
Wind Speed W 3 mph
Barometer 30.12 in
Dewpoint 29°F (-2°C)
Visibility 10.00 mi
Last update 19 Apr 5:55 am CDT
Extended Forecast for

Wilmington IL

Frost Advisory April 19, 06:00am until April 19, 09:00am
Freeze Warning April 20, 12:00am until April 20, 09:00am
Click here for hazard details and duration
...
Freeze Warning
  •  
    Frost Advisory April 19, 06:00am until April 19, 09:00am

    NOW until 9:00am Sun

    Frost Advisory

  • Today

    High: 53 °F

    Areas Frost
    then Slight
    Chance
    Showers and
    Breezy

  • Tonight

    Tonight: Widespread frost, mainly after 2am. Otherwise, mostly clear, with a low around 30. Northwest wind 10 to 15 mph becoming light north northwest after midnight. Winds could gust as high as 20 mph.

    Low: 30 °F

    Mostly Clear
    then Frost

  • Monday

    Monday: Widespread frost, mainly before 8am. Otherwise, sunny, with a high near 54. Calm wind becoming south around 5 mph in the afternoon. Winds could gust as high as 10 mph.

    High: 54 °F

    Frost then
    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 44. South wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 44 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 75. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 75 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 53.

    Low: 53 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 78.

    High: 78 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 56.

    Low: 56 °F

    Partly Cloudy

Detailed Forecast

Today
A 20 percent chance of showers after noon. Areas of frost before 8am. Otherwise, increasing clouds, with a high near 53. Breezy, with a southwest wind 5 to 10 mph becoming west northwest 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.
Tonight
Widespread frost, mainly after 2am. Otherwise, mostly clear, with a low around 30. Northwest wind 10 to 15 mph becoming light north northwest after midnight. Winds could gust as high as 20 mph.
Monday
Widespread frost, mainly before 8am. Otherwise, sunny, with a high near 54. Calm wind becoming south around 5 mph in the afternoon. Winds could gust as high as 10 mph.
Monday Night
Partly cloudy, with a low around 44. South wind 5 to 10 mph, with gusts as high as 20 mph.
Tuesday
Sunny, with a high near 75. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Tuesday Night
Partly cloudy, with a low around 53.
Wednesday
Sunny, with a high near 78.
Wednesday Night
Partly cloudy, with a low around 56.
Thursday
Mostly sunny, with a high near 83.
Thursday Night
Showers likely after 1am. Mostly cloudy, with a low around 62.
Friday
Showers likely. Mostly cloudy, with a high near 74.
Friday Night
A chance of showers. Mostly cloudy, with a low around 48.
Saturday
Mostly sunny, with a high near 67.
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:
2:56 am CDT Apr 19, 2026
Forecast Valid:
6am CDT Apr 19, 2026-6pm CDT Apr 25, 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