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Monongahela River Pool Four, PA Weather Forecast
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Monongahela River Pool Four Weather Forecast
| REST OF TONIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY |
 |  | |  |  | | | | |  |  | |
| Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Mostly Sunny | Clear | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Partly Cloudy | Partly Cloudy | Partly Cloudy |
| Lo: 70°FLo: 21°C | Hi: 81°FHi: 27°C | Lo: 59°FLo: 15°C | Hi: 80°FHi: 27°C | Lo: 60°FLo: 16°C | Hi: 81°FHi: 27°C | Lo: 61°FLo: 16°C | Hi: 79°FHi: 26°C | Lo: 55°FLo: 13°C | Hi: 79°FHi: 26°C | Lo: 59°FLo: 15°C | Hi: 79°FHi: 26°C |
| POP: 90% | POP: 70% | POP: 50% | POP: 50% | POP: 60% | POP: 50% | POP: 50% |
POP = Probability of Precipitation.
Weather Outlook Updated: 818 PM EDT Sun Aug 16 2026 
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Monongahela River Pool Four Forecast Discussion
Issued: 823 PM EDT Sun Aug 16 2026
Key Messages
1)Severe weather and flash flooding risks continue this afternoon and evening with renewed thunderstorm development.
2) After lingering showers dissipate Monday, there is fairly high confidence in dry weather until Wednesday/Thursday, when the next front arrives.
Discussion
... KEY MESSAGE 1... The region remains in a relative lull of activity between overnight/early morning activity and developing convection to the west, where a couple of Severe Thundersto...