As if this Summer hasn’t been hot enough already, yet another wave of dangerous heat is on the way. Excessive Heat Warnings which are issued for life-threatening heat indexes have been issued for parts of Southeastern PA including the Philadelphia area. Saturday will be the hottest day as some areas could reach a heat index of 110°F.

Here is our latest forecast for Thursday through Sunday.

Area A – Temperatures will reach between 92 and 96 with humidity around 60% resulting in heat indexes of 105-116.

Area B – This area will reach between 90 and 94 with humidity around 60% causing heat indexes of 100-110.

Area C – High temperatures between 86 and 90 with humidity hovering around 60% will result in heat indexes of 90-100.

Area D – Temperatures will reach between 82 and 86 with 60% humidity prompting a heat index of 84-91.


Several heat-related deaths have already occurred this Summer in Pennsylvania, so be sure to know where your kids are at all times, check on your elderly, and keep all pets indoors. Do not be exposed to this heat for long periods of time and stay hydrated.

Warn your family and friends of the upcoming dangerous heat wave by sharing this forecast below. Stay tuned for further updates by liking Pennsylvania Weather Action on facebook. Stay safe out there everyone!