Philadelphia weather: Dangerous heat will continue to bake Delaware Valley Thursday

The Delaware Valley is at the outset of an oppressive heat wave that forecasters expect will continue to bake the region into the weekend and through the end of the month.

The National Weather Service issued a region-wide heat advisory through Friday, setting up an Excessive Heat Watch for Saturday and Sunday. Humidity nudges up beginning Thursday, creating a heat index of upwards of 110 degrees by Sunday, as temperatures soar to near 100.

Forecasters expect the weather pattern to remain dry, with the region's next chance of rain not coming until Sunday or Monday.


Philadelphia heat wave: Philly officials declare Heat Health Emergency

The City of Philadelphia declared a Heat Health Emergency, beginning 8 a.m. Thursday morning and running through midnight Saturday, though it could be extended.

Remember to stay prepared as those hot days settle in this week:

  • Slow down
  • Stay in air conditioning
  • Weather lightweight clothing
  • Close curtains and blinds
  • Drink plenty of water
  • Take care of the elderly, small children and pets

If you're in Philadelphia, cool off at one of several public pools opening this week.

For more tips to stay cool, including finding cooling centers, visit FOX 29's Staying Cool during this Heat Wave page, here.