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Allegheny Trail Weather Forecast
| TONIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY |
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| Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Sunny | Mostly Clear | Sunny | Partly Cloudy | Chance of T-Storm | Chance of T-Storm | Chance of Showers | Chance of Showers | Chance of Showers |
| Lo: 61°FLo: 16°C | Hi: 79°FHi: 26°C | Lo: 65°FLo: 18°C | Hi: 81°FHi: 27°C | Lo: 65°FLo: 18°C | Hi: 81°FHi: 27°C | Lo: 65°FLo: 18°C | Hi: 79°FHi: 26°C | Lo: 61°FLo: 16°C | Hi: 71°FHi: 22°C | Lo: 55°FLo: 13°C | Hi: 70°FHi: 21°C Lo: 51°FLo: 11°C |
| POP: 20% | POP: 20% | POP: 20% | POP: 70% | POP: 50% | POP: 40% | POP: 40% | POP: 40% |
POP = Probability of Precipitation.
Weather Outlook Updated: 633 PM EDT Mon Aug 31 2026 
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Issued: 634 PM EDT Mon Aug 31 2026
Key Messages
- 1) Building heat with isolated showers and storms through midweek.
- 2) Shower and storm coverage increases late this week, as a cold front approaches.
- 3) Drier weather with more seasonable temperatures follow the cold front for the weekend.
Discussion
... KEY MESSAGE 1...
Surface high pressure across the area will provide mostly dry conditions to the region. There will be some slight chances for diurnal showers and thunderstorms albeit isolated in nature for Tuesday although this should ...