Dangerous heat wave is building, will bring oppressive temperatures to much of the United States

to cool off, warning of temperatures 15 to 25 degrees Fahrenheit (8 to 14 degrees Celsius) warmer than normal in many areas, including at night — especially bad for people’s health because their bodies won’t have a chance to recover. The heat dome is expected to affect as much as two-thirds of the continental United States.

“The heat doesn’t necessarily continue reading …