I-55 weather conditions near Joliet, Illinois
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Seasoned Weather Conditions
Current Weather Conditions
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7 day weather forecast
Current condition: Fair 78°F 2025-09-20T13:35:00-05:00 
This Afternoon 2025-09-20, T-storms Likely. Showers and thunderstorms likely, mainly between 2pm and 4pm. Mostly cloudy, with a high near 81. South southwest wind around 5 mph, with gusts as high as 10 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.Tonight 2025-09-20, Chance Showers then Chance T-storms. A 50 percent chance of showers and thunderstorms, mainly after 10pm. Mostly cloudy, with a low around 64. Northeast wind around 5 mph becoming southeast after midnight.
Sunday 2025-09-21, Chance Showers then Chance T-storms. A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 79. Southeast wind 5 to 10 mph becoming west southwest in the afternoon.
Sunday Night 2025-09-21, Chance T-storms then Chance Showers. A chance of showers and thunderstorms before 1am, then a chance of showers between 1am and 4am, then a chance of showers and thunderstorms after 4am. Mostly cloudy, with a low around 62. West southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 50%.
Monday 2025-09-22, Showers Likely. Showers likely and possibly a thunderstorm before 7am, then showers likely between 7am and 1pm, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 77. Southwest wind 5 to 10 mph. Chance of precipitation is 60%.
Monday Night 2025-09-22, Chance Showers. A chance of showers and thunderstorms. Mostly cloudy, with a low around 62. Chance of precipitation is 40%.
Tuesday 2025-09-23, Chance Showers. A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 78. Chance of precipitation is 40%.
Tuesday Night 2025-09-23, Chance Showers. A chance of showers. Mostly cloudy, with a low around 62.
Wednesday 2025-09-24, Chance Showers. A chance of showers. Mostly cloudy, with a high near 73.- Wednesday Night 2025-09-24, Chance Showers. A chance of showers. Mostly cloudy, with a low around 59.
- Thursday 2025-09-25, Chance Showers. A chance of showers. Partly sunny, with a high near 72.
Thursday Night 2025-09-25, Chance Showers. A chance of showers. Partly cloudy, with a low around 55.
Friday 2025-09-26, Chance Showers. A chance of showers. Mostly sunny, with a high near 74.