With 100° plus feel like temperatures(temperature and humidity levels) forecast for the Eastern USA we need to realize that climate change is making such heat waves the new normal. We also need to understand that going forward climate change will impact every aspect of our lives.
Here is a link to a NY Times article on climate change and heat waves. Since the 1960's the number of heat waves has tripled in major US cities and last on average 45 days longer.
Heat Waves in the Age of Climate Change: Longer, More Frequent and More Dangerous