Weather Authority: Tuesday evening storms expected

PHILADELPHIA, PA (WTXF) - Tuesday brought lots of sunshine to the Philadelphia area as many headed back to school, but thunderstorms are expected later in the evening.

Then, there will be a chance of scattered thunderstorms overnight. A few storms may be severe early.

More thunderstorms are expected Wednesday morning, then variable clouds during the afternoon with still a chance of showers.

The rest of the week will continue September's cool start with highs in the low to mid-'70s.

Wednesday: High of 72, rainy and cooler

Thursday: High of 74, clouds turn to sun

Friday: High of 73, sunny and nice