MacArthur, PA Weather Forecast
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MacArthur Weather Forecast
| TODAY | TONIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT |
| Chance of Snow | Chance of Rain | Chance of Rain | Clouds | Mostly Cloudy | Clear | Sunny | Clear | Mostly Sunny | Clear | Partly Cloudy | Mostly Cloudy |
| Hi: 45°FHi: 7°C | Lo: 35°FLo: 2°C | Hi: 49°FHi: 9°C | Lo: 35°FLo: 2°C | Hi: 49°FHi: 9°C | Lo: 29°FLo: -2°C | Hi: 51°FHi: 11°C | Lo: 29°FLo: -2°C | Hi: 55°FHi: 13°C | Lo: 29°FLo: -2°C | Hi: 59°FHi: 15°C | Lo: 35°FLo: 2°C |
| POP: 70% | POP: 50% | POP: 50% |
POP = Probability of Precipitation.
Weather Outlook Updated: 702 AM EST Sat Nov 14 2026 

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Issued: 611 AM EST Sat Nov 14 2026
Key Messages
1) Lake effect showers continue periodically through the weekend.
2) Dry and quiet weather returns for next week.
Discussion
... KEY MESSAGE 1... Deep upper troughing lingers across the Northeast through the weekend while expansive surface high pressure gradually slides east out of the Plains. The resultant setup for us locally will favor periodic lake effect showers, most prevalent in the daytime hours, supported by rounds of vorticity lobes streaming through and lake to air temperatur...
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