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

76°F

24°C

Humidity 69%
Wind Speed SW 12 G 20 mph
Barometer 29.72 in
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 14 Apr 11:55 pm CDT
Extended Forecast for

Joliet IL

Flood Watch until April 15, 06:00am
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch until April 15, 06:00am

    NOW until 6:00am Wed

    Flood Watch

  • Overnight

    Low: 66 °F

    T-storms
    Likely

  • Wednesday

    Wednesday: Showers and thunderstorms, mainly before 11am, then showers likely and possibly a thunderstorm after 4pm. High near 75. South southwest wind 10 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.

    High: 75 °F

    T-storms then
    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Showers and possibly a thunderstorm. Low around 61. South southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 61 °F

    Showers

  • Thursday

    Thursday: A chance of showers and thunderstorms before 7am, then a chance of showers between 7am and 1pm, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 74. Southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.

    High: 74 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 53. West wind around 5 mph becoming east after midnight. Winds could gust as high as 15 mph.

    Low: 53 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 80.

    High: 80 °F

    Partly Sunny

  • Friday Night

    Friday Night: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am. Low around 56. Chance of precipitation is 80%.

    Low: 56 °F

    Chance
    T-storms then
    Showers

  • Saturday

    Saturday: Showers likely, mainly before 1pm. Mostly cloudy, with a high near 68. Breezy.

    High: 68 °F

    Showers
    Likely and
    Breezy

Detailed Forecast

Overnight
Showers and thunderstorms likely, mainly after 4am. Mostly cloudy, with a low around 66. Southwest wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
Showers and thunderstorms, mainly before 11am, then showers likely and possibly a thunderstorm after 4pm. High near 75. South southwest wind 10 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.
Wednesday Night
Showers and possibly a thunderstorm. Low around 61. South southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Thursday
A chance of showers and thunderstorms before 7am, then a chance of showers between 7am and 1pm, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 74. Southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.
Thursday Night
Partly cloudy, with a low around 53. West wind around 5 mph becoming east after midnight. Winds could gust as high as 15 mph.
Friday
Partly sunny, with a high near 80.
Friday Night
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am. Low around 56. Chance of precipitation is 80%.
Saturday
Showers likely, mainly before 1pm. Mostly cloudy, with a high near 68. Breezy.
Saturday Night
Partly cloudy, with a low around 36.
Sunday
Mostly sunny, with a high near 52.
Sunday Night
Mostly clear, with a low around 34.
Monday
Sunny, with a high near 59.
Monday Night
Mostly clear, with a low around 40.
Tuesday
Sunny, with a high near 69.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Joliet IL
 41.53°N 88.14°W
Last Update:
11:00 pm CDT Apr 14, 2026
Forecast Valid:
12am CDT Apr 15, 2026-6pm CDT Apr 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