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| REST OF TODAY | TONIGHT | SUNDAY | SUNDAY NIGHT | LABOR DAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT |
 |  |  | | | | | | |  | | |
| Partly Cloudy | Partly Cloudy | Mostly Sunny | Partly Cloudy | Mostly Sunny | Partly Cloudy | Partly Cloudy | Partly Cloudy | Partly Cloudy | Chance of Showers | Partly Cloudy | Partly Cloudy |
| Hi: 91°FHi: 33°C | Lo: 65°FLo: 18°C | Hi: 81°FHi: 27°C | Lo: 60°FLo: 16°C | Hi: 81°FHi: 27°C | Lo: 61°FLo: 16°C | Hi: 91°FHi: 33°C | Lo: 71°FLo: 22°C | Hi: 91°FHi: 33°C | Lo: 65°FLo: 18°C | Hi: 81°FHi: 27°C | Lo: 61°FLo: 16°C |
| POP: 30% |
POP = Probability of Precipitation.
Weather Outlook Updated: 1101 AM CDT Sat Sep 05 2026 
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Issued: 621 AM CDT Sat Sep 5 2026
Key Messages
- Hot again today away from the lake with afternoon heat indices in the 90s, and as high as 100 to 105 south of the Kankakee and Illinois river valleys.
- Relatively cooler early next week, although remaining seasonably warm.
- Moderate to high swim risk expected late Saturday into early Sunday during the final weekend of beach season.
Discussion
... Issued at 211 AM CDT Sat Sep 5 2026
It`s an unseasonably warm start to our Saturday with temperatures across most of the area still sitting in t...