AccuWeather: High heat and humidity Friday

PHILADELPHIA (WPVI) -- The high in Philadelphia tied a record of 103 degrees on Thursday. The record-challenging heat continues through the Fourth of July.

FRIDAY: High heat and humidity, high 103. Heat index values once again between 105-112 degrees or even higher. An isolated thunderstorm could be strong to severe.

SATURDAY (4TH OF JULY): Hot and humid with the threat for thunderstorms later in the day that could be severe with downpours and damaging winds, high 100. The Extreme Heat Warning continues through 8 p.m. with heat indices likely near 105 degrees.

SUNDAY: Clouds, some sun with the threat of late-day storms, high 93.

MONDAY: Another day that could be unsettled with scattered showers and thunderstorms, high 85.

TUESDAY: Mostly cloudy, high 84.

WEDNESDAY: Clouds, some sun and not as humid, high 85.

THURSDAY: Partly sunny and seasonable, high 88.