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Muddy Waters Park, IL Weather Forecast
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Muddy Waters Park Weather Forecast
| REST OF TONIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY |
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| Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Mostly Clear | Mostly Sunny | Chance of T-Storm | Chance of T-Storm | Partly Cloudy | Partly Cloudy | Partly Cloudy | Partly Cloudy |
| Lo: 70°FLo: 21°C | Hi: 89°FHi: 32°C | Lo: 71°FLo: 22°C | Hi: 89°FHi: 32°C | Lo: 75°FLo: 24°C | Hi: 91°FHi: 33°C | Lo: 71°FLo: 22°C | Hi: 85°FHi: 29°C | Lo: 70°FLo: 21°C | Hi: 85°FHi: 29°C | Lo: 70°FLo: 21°C | Hi: 85°FHi: 29°C |
| POP: 30% | POP: 40% | POP: 20% | POP: 20% | POP: 40% | POP: 40% |
POP = Probability of Precipitation.
Weather Outlook Updated: 120 AM CDT Mon Aug 31 2026 
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Issued: 211 AM CDT Mon Aug 31 2026
Key Messages
- Periodic shower and storms persist this week, though there will ample dry periods.
- Hotter and more humid conditions build midweek.
Discussion
... Issued at 200 AM CDT Mon Aug 31 2026
Thunderstorms have fizzled out, but isolated showers fester over the forecast area early this morning. Similar to last night, a southwest to northeast low level jet (LLJ) is expected to amplify prior to daybreak and help induce additional shower and storm coverage. There is lower confidence on the exact cov...