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Wayne Park Weather Forecast
| REST OF TONIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY |
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| Mostly Cloudy | Mostly Cloudy | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of Showers | Mostly Cloudy | Mostly Cloudy | Mostly Cloudy |
| Lo: 69°FLo: 21°C | Hi: 71°FHi: 22°C | Lo: 61°FLo: 16°C | Hi: 71°FHi: 22°C | Lo: 65°FLo: 18°C | Hi: 69°FHi: 21°C | Lo: 59°FLo: 15°C | Hi: 65°FHi: 18°C | Lo: 59°FLo: 15°C | Hi: 65°FHi: 18°C | Lo: 59°FLo: 15°C | Hi: 69°FHi: 21°C |
| POP: 90% | POP: 100% | POP: 90% | POP: 60% | POP: 60% | POP: 60% | POP: 40% |
POP = Probability of Precipitation.
Weather Outlook Updated: 921 PM CDT Thu Sep 17 2026 
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Issued: 1247 AM CDT Fri Sep 18 2026
Key Messages
- Scattered showers and thunderstorms south of the Kankakee River this evening.
- A brief break in the pattern is expected tomorrow afternoon through Friday before another period of wet weather materializes this weekend. Localized flash flooding will be possible where the heaviest rain sets up.
Discussion
... Issued at 158 PM CDT Thu Sep 17 2026
A diffuse front/differential heating zone in the vicinity of I-90/88 continues to slowly work its way southward early this afternoon. To the north ...