Weather Authority: Warm and cloudy Sunday with pop-up storms

The Philadelphia area is slated for a warm and cloudy Sunday with scattered thunderstorms developing in the afternoon.

Dew points are expected to climb over the next 48 hours, bringing humidity to the forefront for the Labor Day holiday.

Another heat wave is slated for next week. Storms are also expected to remain in the forecast through Monday or Tuesday.

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SUNDAY: Scattered thunderstorms developing this afternoon. Low: 73 High: 84

MONDAY: Partly cloudy skies. A stray shower or thunderstorm is possible. Low: 73 High: 89

TUESDAY: More sun than clouds. Low: 74 High: 92

WEDNESDAY: Mostly sunny. Low: 74 High: 90

THURSDAY: Mostly sunny. Low: 73 High: 91