Allegheny and Westmoreland counties are in for a sweltering stretch as a weeklong heat wave settles over Western Pennsylvania, with heat index values expected to top 100 degrees headed into the holiday weekend.
Meteorologists at the National Weather Service in Moon forecast the temperatures will be at their hottest from Tuesdaythrough Friday.
Dr. Donald Yealy, chief medical officer at UPMC, said when temperatures rise the only thing the public can really control is their heat exposure…