How to Stay Safe in This Week’s Heat Wave

Paige Rose, 12 years-old, and her mother, Cindy Rose, of St. Louis, MO, take shade under an umbrella while they dip their feet in the fountain in the center of the National Gallery of Art Sculpture Garden in Washington on July 26, 2005. Chip Somodevilla/Getty Images

A heat wave is expected for much of the eastern half of the US in the coming days—and it has the potential to be deadly.

More than 130 million Americans are under a heat watch, warning or advisory, with the heat index expected to reach 115 degrees in some areas. The widespread heatwave will hit its peak Friday and Saturday with dozens of records possible.