AccuWeather: Heat Returns Sunday

PHILADELPHIA (WPVI) -- TONIGHT: An isolated thunderstorm early, otherwise it's partly cloudy and warm tonight. The low 70.

SUNDAY: Mostly sunny and hot, but less humid. High 92.

MONDAY: Mostly sunny and hot. High 94.

TUESDAY: Sun and clouds, hot. High 92.

WEDNESDAY: Sun and clouds, hot and humid. A stray thunderstorm is possible. High 91. Heat Index 98.

THURSDAY: Partly sunny and hot. A thunderstorm is possible during the afternoon. High 92. Heat Index 100.

FRIDAY: Sun and clouds, hot and humid. high 92. Heat Index 100.

SATURDAY: More clouds than sun and a chance of rain. High 90.

RELATED: Severe weather advisories, watches and warnings from the National Weather Service
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