Final Call Snowfall Forecast for Sunday’s Quick Coastal Storm

Final Call Snowfall Forecast for Sunday’s Quick Coastal Storm

Often times we have seen models overdo confluence this year and storms have trended northwest in the final one or two days before the storm. But this time, that will not be the case. Model guidance has lowered snow amounts somewhat. With a brutal supply of cold air to our northwest, it’s no surprise this storm will produce highest snowfall amounts to our south and on the immediate NJ Coast, as well as Cape Cod.

Most of the eastern half of Pennsylvania will be seeing moderate snow by dawn Sunday, with highest radar coverage likely around 9-10 AM. Snowfall rates of an inch per hour will be possible near Philadelphia. Below is future radar for 10:00 AM Sunday.

FINAL CALL SNOWFALL FORECAST FOR SUNDAY’S COASTAL

Area A: Snowfall accumulation of 3 – 5″. Moderate will begin early Sunday morning, ending by around noon from southwest to northeast. Slushy roadways expected.

Area B: Snowfall accumulation of 1 – 3″ expected.

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Josh Adams is the founder and lead forecaster of Pennsylvania Weather Action, a regional forecasting site he launched in 2015. With over a decade of experience analyzing weather patterns across Pennsylvania, his forecasts have reached millions of readers throughout the state. Josh specializes in Pennsylvania’s complex microclimates and terrain-driven weather patterns, providing detailed coverage of severe thunderstorms, winter storms, and flooding events. His forecasting focuses on delivering precise, timely information to help Pennsylvanians stay informed and prepared during impactful weather. Last Updated: March 10, 2026