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Front stalls over our southern regions
next few days with scattered t-storms
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East Central PA Forecast

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Our East Central PA forecast region includes the Lehigh Valley, Hamburg, Reading, Lebanon, Harrisburg, Pottsville & surrounding areas. Forecasts are updated daily M-F, and Saturday that covers both weekend days – never on Sundays.

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Cold front arrives Wednesday, stalls over southern areas through late week…isolated t-storms farther north…

On Wednesday a cold cold front moves through the region, but slows as it advances through, and brings a threat for isolated t-storms in the afternoon/evening. It will remain hot with partly cloudy skies expected otherwise. With the front in the vicinity or just SE of this forecast region overnight, mostly cloudy skies with isolated t-storms are still possible.

With the frontal boundary remaining stalled Thursday and Friday over our southern regions, isolated PM thunderstorms will still be possible both days. The front is expected to “wash out” or dissipate finally over the weekend, with partly cloudy skies expected for both Saturday and Sunday. A system moving through the eastern Great Lakes pulls a warm front through the entire region Sunday night, followed by a cold front and scattered showers and thunderstorms accompanying it on Monday. Slightly cooler temps are also expected Monday with plenty of clouds and showers/storms likely. Precipitation wraps up Monday evening, then returning to partly to mostly sunny skies and back to near average temperatures on Tuesday.

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Forecaster: Martrich 12 August 0300z

Daily climatology for Allentown, PA

Average highAverage lowRecord high temp (year)Record low temp (year)
83°F62°F98°F (1944)47°F (1930)