Philly: Mother's Day Warmth to Follow Unsettled Saturday Evening

By , Expert Senior Meteorologist
May 10, 2014; 10:57 PM ET
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After locally drenching showers and thunderstorms affect Philadelphia into Saturday night, some sunshine will appear for mom on Sunday.

A slow-moving storm affecting the Central states much of this week will pick up some forward speed this weekend.

As moisture with the storm system drifts through into Saturday night, there is the potential for highly localized urban flooding and the corresponding travel delays and disruptions to outdoor activities. Despite the risk of downpours, the vast majority of the time will be free of rain.

A small area of high pressure should be just strong enough to allow dry air to mix down from aloft and break up clouds and prevent shower activity over much of the mid-Atlantic states on Sunday.

With more of a westerly flow of air, chilly air from the Atlantic Ocean will be shut off. High temperatures will climb to near 80 F through Sunday.

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Temperatures are forecast to reach well into the 80s Monday and Tuesday, and could challenge record highs.

Saturday brought the warmest day of the year so far as temperatures reached at least 83. Temperatures could match or exceed warmth from early October (86 F) in the weather pattern through Tuesday.

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