Heat Wave Torturing the U.S. Will Get Worse in Some States

The heat dome blighting huge swaths of the country isn’t going away yet, as the weekend shapes up to be another brutal scorcher.

Weather forecasts project temperatures as high as 108 degrees in Las Vegas and 104 in Phoenix, while the east coast is roasting as well. Baltimore and Philadelphia were forecasted to hit 98 degrees, while reports showed that the heat index (which also includes the effect of humidity) climbed to triple digits in those areas.

The National...