A brutal heat wave across the eastern United States trapped millions of people in sweltering air this week with record-high ...

Extreme heat is impacting states across the country. See maps of high temperature forecasts and heat index levels.

A heat wave is currently affecting about 160 million people, according to the National Weather Service. Here's which states ...

A heat dome has begun to blanket the US and is expected to bake more than 30 states with high temperatures that could shatter ...