Hazy, hot and humid conditions persist across the Philadelphia region.
An excessive heat warning is in effect from noon Thursday until 8pm Friday for Philadelphia, Delaware, eastern Chester, eastern Montgomery and lower Bucks counties.
There is a heat advisory for Berks, Lehigh, Northampton, western Chester, western Montgomery and upper Bucks counties.
It's a similar situation in New Jersey. The Garden State is getting another blast of summer air
An excessive heat warning is in effect from noon Thursday until 8pm Friday for Mercer, Gloucester, Camden and northwest Burlington counties.
A heat advisory is in effect for the rest of the state.
Forecasters say temperatures in the 90s will combine with humidity to make it feel like it is 100 degrees of higher.
Officials advise limiting outdoor activity and drink plenty of water.
Isolated severe thunderstorms are possible Thursday afternoon and evening in central Pennsylvania.