Dangerous heat and humidity from the central U.S. to East Coast this weekend

Hot and very humid conditions will push the heat index to well over 100 degrees across a large portion of the central and eastern U.S. Excessive Heat Warnings and Heat Advisories are in effect for much of the Plains, Miss. Valley, Midwest, Ohio Valley, Mid-Atlantic and southern states. Be very cautious if you must do outdoor activities in these areas during the afternoon and evening this weekend. Read More >

Current conditions at

Joliet Regional Airport (KJOT)

Lat: 41.52°NLon: 88.18°WElev: 572ft.

Mostly Cloudy

83°F

28°C

Humidity 77%
Wind Speed NE 10 mph
Barometer 29.95 in
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index90°F (32°C)
Last update 23 Jul 7:55 pm CDT
Extended Forecast for

Joliet IL

Severe T-storm Watch until July 23, 10:00pm
Click here for hazard details and duration
...
  •  
    Severe T-storm Watch until July 23, 10:00pm

    NOW until
    10:00pm Sat

    Severe T-storm Watch

  • Tonight

    Tonight: Showers and thunderstorms likely, mainly between 10pm and 11pm. Some storms could be severe, with heavy rain.  Mostly cloudy, with a low around 77. South southeast wind around 5 mph.  Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Severe
    Thunderstorms

    Low: 77 °F

  • Sunday

    Sunday: A 50 percent chance of showers and thunderstorms.  Partly sunny, with a high near 92. Heat index values as high as 109. South southwest wind 10 to 15 mph, with gusts as high as 20 mph.

    Chance
    T-storms

    High: 92 °F

  • Sunday
    Night

    Sunday Night: A 40 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 71. West southwest wind 5 to 10 mph becoming north northwest after midnight.

    Chance
    T-storms

    Low: 71 °F

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms before 8am.  Mostly sunny, with a high near 86. Northwest wind 5 to 10 mph.

    Chance
    T-storms then
    Sunny

    High: 86 °F

  • Monday
    Night

    Monday Night: Mostly clear, with a low around 66. North northwest wind around 5 mph becoming calm  in the evening.

    Mostly Clear

    Low: 66 °F

  • Tuesday

    Tuesday: Sunny, with a high near 86.

    Sunny

    High: 86 °F

  • Tuesday
    Night

    Tuesday Night: Mostly clear, with a low around 68.

    Mostly Clear

    Low: 68 °F

  • Wednesday

    Wednesday: A slight chance of showers after 8am.  Partly sunny, with a high near 85.

    Slight Chance
    Showers

    High: 85 °F

Detailed Forecast

Tonight
Showers and thunderstorms likely, mainly between 10pm and 11pm. Some storms could be severe, with heavy rain. Mostly cloudy, with a low around 77. South southeast wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 92. Heat index values as high as 109. South southwest wind 10 to 15 mph, with gusts as high as 20 mph.
Sunday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 71. West southwest wind 5 to 10 mph becoming north northwest after midnight.
Monday
A 30 percent chance of showers and thunderstorms before 8am. Mostly sunny, with a high near 86. Northwest wind 5 to 10 mph.
Monday Night
Mostly clear, with a low around 66. North northwest wind around 5 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 86.
Tuesday Night
Mostly clear, with a low around 68.
Wednesday
A slight chance of showers after 8am. Partly sunny, with a high near 85.
Wednesday Night
A slight chance of showers, then a chance of showers and thunderstorms after 8pm. Mostly cloudy, with a low around 68.
Thursday
A chance of showers and thunderstorms. Partly sunny, with a high near 83.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 66.
Friday
A chance of showers and thunderstorms. Partly sunny, with a high near 82.
Friday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 65.
Saturday
A chance of showers and thunderstorms. Partly sunny, with a high near 82.
Click Map For Forecast
Point Forecast:
Joliet IL
 41.52°N 88.11°W
7:17 pm CDT Jul 23, 2016
8pm CDT Jul 23, 2016-6pm CDT Jul 30, 2016
 
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