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.

Partly Cloudy

78°F

26°C

Humidity 86%
Wind Speed NW 3 mph
Barometer 29.86 in
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 12 Aug 12:35 pm CDT
Extended Forecast for

Rockdale ILSimilar City Names

Flood Advisory until August 12, 02:15pm
Click here for hazard details and duration
...
  •  
    Flood Advisory until August 12, 02:15pm

    NOW until 2:15pm Wed

    Flood Advisory

  • This Afternoon

    High: 82 °F

    Severe
    Thunderstorms

  • Tonight

    Tonight: A chance of showers and thunderstorms before 7pm, then a slight chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 69. West southwest wind around 5 mph becoming east northeast after midnight. Chance of precipitation is 30%.

    Low: 69 °F

    Chance
    Showers then
    Slight Chance
    T-storms

  • Thursday

    Thursday: A chance of showers, with thunderstorms also possible after 11am. Mostly cloudy, with a high near 80. East wind around 5 mph, with gusts as high as 10 mph. Chance of precipitation is 50%.

    High: 80 °F

    Chance
    Showers then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms between 1am and 4am, then a chance of showers after 4am. Mostly cloudy, with a low around 68. Northeast wind around 5 mph, with gusts as high as 10 mph. Chance of precipitation is 70%.

    Low: 68 °F

    Showers
    Likely

  • Friday

    Friday: A 20 percent chance of showers before 1pm. Partly sunny, with a high near 82. Northeast wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 82 °F

    Slight Chance
    Showers

  • Friday Night

    Friday Night: A 50 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 69.

    Low: 69 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Saturday

    Saturday: Showers likely and possibly a thunderstorm before 1pm, then a slight chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 86. Chance of precipitation is 60%.

    High: 86 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: A chance of showers after 1am. Partly cloudy, with a low around 72.

    Low: 72 °F

    Partly Cloudy
    then Chance
    Showers

Detailed Forecast

This Afternoon
Showers and thunderstorms likely, mainly before 3pm. Some of the storms could be severe and produce heavy rainfall. Mostly cloudy, with a high near 82. West wind 5 to 10 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
A chance of showers and thunderstorms before 7pm, then a slight chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 69. West southwest wind around 5 mph becoming east northeast after midnight. Chance of precipitation is 30%.
Thursday
A chance of showers, with thunderstorms also possible after 11am. Mostly cloudy, with a high near 80. East wind around 5 mph, with gusts as high as 10 mph. Chance of precipitation is 50%.
Thursday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms between 1am and 4am, then a chance of showers after 4am. Mostly cloudy, with a low around 68. Northeast wind around 5 mph, with gusts as high as 10 mph. Chance of precipitation is 70%.
Friday
A 20 percent chance of showers before 1pm. Partly sunny, with a high near 82. Northeast wind 5 to 10 mph, with gusts as high as 15 mph.
Friday Night
A 50 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 69.
Saturday
Showers likely and possibly a thunderstorm before 1pm, then a slight chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 86. Chance of precipitation is 60%.
Saturday Night
A chance of showers after 1am. Partly cloudy, with a low around 72.
Sunday
A chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 85.
Sunday Night
Mostly cloudy, with a low around 66.
Monday
Mostly sunny, with a high near 80.
Monday Night
Partly cloudy, with a low around 62.
Tuesday
Mostly sunny, with a high near 80.
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ABOUT THIS FORECAST

 
Point Forecast:
Rockdale ILSimilar City Names
 41.5°N 88.11°W
Last Update:
11:21 am CDT Aug 12, 2026
Forecast Valid:
12pm CDT Aug 12, 2026-6pm CDT Aug 18, 2026
 
Forecast Discussion
 
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Additional Resources

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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