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Millvale, PA Weather Forecast
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Millvale Weather Forecast
| TODAY | TONIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT |
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| Chance of T-Storm | Chance of T-Storm | Partly Cloudy | Partly Cloudy | Partly Cloudy | Chance of Showers | Chance of T-Storm | Chance of T-Storm | Mostly Cloudy | Chance of Showers | Chance of Showers | Chance of Showers |
| Hi: 81°FHi: 27°C | Lo: 65°FLo: 18°C | Hi: 79°FHi: 26°C | Lo: 59°FLo: 15°C | Hi: 79°FHi: 26°C | Lo: 65°FLo: 18°C | Hi: 79°FHi: 26°C | Lo: 61°FLo: 16°C | Hi: 71°FHi: 22°C | Lo: 61°FLo: 16°C | Hi: 71°FHi: 22°C | Lo: 59°FLo: 15°C |
| POP: 70% | POP: 50% | POP: 90% | POP: 90% | POP: 90% | POP: 50% | POP: 50% | POP: 50% |
POP = Probability of Precipitation.
Weather Outlook Updated: 502 AM EDT Thu Sep 17 2026 
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Issued: 300 AM EDT Thu Sep 17 2026
Key Messages
1)Thursday offer risks for flash flooding alongside a nominal wind threat.
2) Unsettled weather returns late Saturday into next week.
Discussion
... KEY MESSAGE 1... A 500MB minor shortwave trough is expected to cross the area today as the cold front that has been draped from west to east across the area. Still a slight west-northwest flow is expected through the day. This is expected to push the cold front through the area by 00Z tonight. Ahead of the front, additional shower and thund...