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Willow Mill Park Weather Forecast
| TONIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY |
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| Mostly Cloudy | Chance of T-Storm | Chance of Showers | Chance of Showers | Chance of Showers | Chance of T-Storm | Chance of T-Storm | Mostly Sunny | Mostly Clear | Sunny | Mostly Clear | Mostly Sunny |
| Lo: 65°FLo: 18°C | Hi: 75°FHi: 24°C | Lo: 60°FLo: 16°C | Hi: 79°FHi: 26°C | Lo: 61°FLo: 16°C | Hi: 79°FHi: 26°C | Lo: 61°FLo: 16°C | Hi: 80°FHi: 27°C | Lo: 60°FLo: 16°C | Hi: 79°FHi: 26°C | Lo: 59°FLo: 15°C | Hi: 79°FHi: 26°C |
| POP: 100% | POP: 30% | POP: 30% | POP: 50% | POP: 70% | POP: 70% |
POP = Probability of Precipitation.
Weather Outlook Updated: 900 PM EDT Wed Aug 19 2026 
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Willow Mill Park Forecast Discussion
Issued: 812 PM EDT Wed Aug 19 2026
Key Messages
1) Locally heavy rain and a few strong thunderstorms possible across south central Pennsylvania Thursday
Discussion
... KEY MESSAGE 1: Locally heavy rain and a few strong thunderstorms possible across south central Pennsylvania Thursday
A broken and thin line of convective rain showers (not much ltg) continue to track south southeastward this afternoon along a weak llvl convergence boundary drifting southward from US-6 toward I-80. Most places in CPA stay d...