Severe Thunderstorms and Flash Flooding in the Central U.S.; A Dangerous Heatwave Coming to the West

A slow moving cold front will bring multiple rounds of widespread heavy rain, localized flash flooding, and severe thunderstorms from the central Plains into the Great Lakes through Saturday. A dangerous heatwave with record breaking and triple digit temperatures is expected this weekend into next week over the Northwest U.S. Excessive Heat Watches and Warnings have been issued. Read More >

Current conditions at

Joliet Regional Airport (KJOT)

Lat: 41.52°NLon: 88.18°WElev: 572ft.

Rain

72°F

22°C

Humidity 96%
Wind Speed SW 13 G 18 mph
Barometer 29.87 in
Dewpoint 71°F (22°C)
Visibility 7.00 mi
Last update 25 Jun 8:55 am CDT
Extended Forecast for

Joliet IL

Flash Flood Watch until June 26, 07:00am
Click here for hazard details and duration
Flash Flood Watch
  •  
    Flash Flood Watch until June 26, 07:00am

    NOW until
    7:00am Sat

    Flash Flood Watch

  • Today

    Today: Showers and thunderstorms likely, mainly before 10am. Some of the storms could produce heavy rain.  Mostly cloudy, with a high near 79. Breezy, with a west southwest wind 10 to 20 mph, with gusts as high as 35 mph.  Chance of precipitation is 60%. New rainfall amounts between three quarters and one inch possible.

    Heavy Rain
    and Breezy

    High: 79 °F

  • Tonight

    Tonight: Showers and thunderstorms, mainly after 9pm.  Low around 70. South southwest wind 5 to 10 mph, with gusts as high as 20 mph.  Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

    T-storms

    Low: 70 °F

  • Saturday

    Saturday: Showers and thunderstorms.  High near 85. South southwest wind 5 to 15 mph, with gusts as high as 25 mph.  Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    T-storms

    High: 85 °F

  • Saturday
    Night

    Saturday Night: Showers and possibly a thunderstorm before 1am, then showers and thunderstorms likely after 1am.  Low around 71. South southwest wind around 10 mph, with gusts as high as 20 mph.  Chance of precipitation is 80%.

    T-storms

    Low: 71 °F

  • Sunday

    Sunday: Showers and thunderstorms likely, mainly after 1pm.  Partly sunny, with a high near 83. Southwest wind around 10 mph, with gusts as high as 20 mph.  Chance of precipitation is 70%.

    T-storms
    Likely

    High: 83 °F

  • Sunday
    Night

    Sunday Night: Showers and thunderstorms likely, mainly after 1am.  Mostly cloudy, with a low around 67. Chance of precipitation is 60%.

    T-storms
    Likely

    Low: 67 °F

  • Monday

    Monday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm.  Partly sunny, with a high near 81. Chance of precipitation is 70%.

    Chance
    T-storms then
    Showers
    Likely

    High: 81 °F

  • Monday
    Night

    Monday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 68.

    Chance
    T-storms

    Low: 68 °F

Detailed Forecast

Today
Showers and thunderstorms likely, mainly before 10am. Some of the storms could produce heavy rain. Mostly cloudy, with a high near 79. Breezy, with a west southwest wind 10 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 60%. New rainfall amounts between three quarters and one inch possible.
Tonight
Showers and thunderstorms, mainly after 9pm. Low around 70. South southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Saturday
Showers and thunderstorms. High near 85. South southwest wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Saturday Night
Showers and possibly a thunderstorm before 1am, then showers and thunderstorms likely after 1am. Low around 71. South southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%.
Sunday
Showers and thunderstorms likely, mainly after 1pm. Partly sunny, with a high near 83. Southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%.
Sunday Night
Showers and thunderstorms likely, mainly after 1am. Mostly cloudy, with a low around 67. Chance of precipitation is 60%.
Monday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 81. Chance of precipitation is 70%.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 68.
Tuesday
A chance of showers and thunderstorms. Partly sunny, with a high near 82.
Tuesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 67.
Wednesday
A chance of showers and thunderstorms. Partly sunny, with a high near 81.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 64.
Thursday
A chance of showers and thunderstorms. Partly sunny, with a high near 80.
Click Map For Forecast
Point Forecast:
Joliet IL
 41.52°N 88.11°W
8:15 am CDT Jun 25, 2021
9am CDT Jun 25, 2021-6pm CDT Jul 1, 2021
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database