A record-breaking heat wave is sweeping across the US this week. Here are some of the cities it will hit hardest

Here are some of the cities it will hit the hardest.

Heat dome to scorch major U.S. cities this week. Maps show the forecast and warnings.

A heat wave will blast much of the eastern U.S. this week, and forecasters say temperatures will feel even hotter because of ...

Another Heat Wave Brings Unbearable Temperatures to Parts of the U.S.

Millions of people across the United States are facing a prolonged spell of dangerous heat this week, as a sprawling heat ...