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Hazardous Weather Conditions

Current conditions at

Joliet Regional Airport (KJOT)

Lat: 41.52°NLon: 88.18°WElev: 572ft.

Rain

73°F

23°C

Humidity 100%
Wind Speed S 3 mph
Barometer 30.09 in
Dewpoint 73°F (23°C)
Visibility 3.00 mi
Last update 15 Aug 8:15 am CDT
Extended Forecast for

Joliet IL

Flood Watch August 15, 08:38am until August 15, 10:00am
Click here for hazard details and duration
...
  •  
    Flood Watch August 15, 08:38am until August 15, 10:00am

    NOW until 10:00am Sat

    Flood Watch

  • Today

    High: 82 °F

    Showers then
    Chance
    Showers

  • Tonight

    Tonight: A chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and 2am, then a chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 72. Southwest wind around 5 mph. Chance of precipitation is 50%.

    Low: 72 °F

    Chance
    Showers then
    Chance
    T-storms

  • Sunday

    Sunday: A 50 percent chance of showers and thunderstorms, mainly before 8am. Mostly cloudy, with a high near 84. West northwest wind around 10 mph, with gusts as high as 15 mph.

    High: 84 °F

    Chance
    T-storms then
    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 66. Northwest wind 5 to 10 mph.

    Low: 66 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 81. North northeast wind around 5 mph.

    High: 81 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 63.

    Low: 63 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 81.

    High: 81 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 68.

    Low: 68 °F

    Mostly Cloudy
    then Showers
    Likely

Detailed Forecast

Today
Showers and possibly a thunderstorm before 11am, then a chance of showers. High near 82. South southeast wind around 10 mph becoming west southwest in the afternoon. Winds could gust as high as 15 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Tonight
A chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and 2am, then a chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 72. Southwest wind around 5 mph. Chance of precipitation is 50%.
Sunday
A 50 percent chance of showers and thunderstorms, mainly before 8am. Mostly cloudy, with a high near 84. West northwest wind around 10 mph, with gusts as high as 15 mph.
Sunday Night
Partly cloudy, with a low around 66. Northwest wind 5 to 10 mph.
Monday
Mostly sunny, with a high near 81. North northeast wind around 5 mph.
Monday Night
Mostly clear, with a low around 63.
Tuesday
Mostly sunny, with a high near 81.
Tuesday Night
Showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 68.
Wednesday
A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 79.
Wednesday Night
Mostly cloudy, with a low around 61.
Thursday
Mostly sunny, with a high near 74.
Thursday Night
Partly cloudy, with a low around 58.
Friday
Mostly sunny, with a high near 75.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Joliet IL
 41.52°N 88.11°W
Last Update:
7:51 am CDT Aug 15, 2026
Forecast Valid:
8am CDT Aug 15, 2026-6pm CDT Aug 21, 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