Dangerous heat dome grips central US

Dangerously hot temperatures spanned across much of the central U.S. on Saturday as a sprawling heat dome, in which a high-pressure atmospheric system traps hot air over a large area keeping temperatures high, settled over the region that could persist into next week. Heat advisories went out for roughly 80 million people after the National...

Dangerously hot temperatures spanned across much of the central U.S. on Saturday as a sprawling heat dome, in which a high-pressure atmospheric system traps hot air over a large area keeping temperatures high, settled over the region that could persist into next week. Heat advisories went out for roughly 80 million people after the National...