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.

Heat dome will cause dangerously high temperatures in many places across the country this weekend, especially the Midwest and ...

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

With heat indices reaching 110°F in multiple cities, the current heat dome is creating temperatures up to 15 to 25 ... The science is settled and the maps don’t lie: nasty heat is upon us, ...

Temps are soaring in cities across the Atlantic coast, where some cities are reaching 100 degrees with heat indexes ...

Tens of millions of people in major cities across the U.S. Northeast are facing record high temperatures on Tuesday on what ...

For 150 million people across the United States, humidity surged to levels higher than Miami late Monday. Maps show where.

A heat wave is forecast across the eastern United States, and it's expected to bring severe storms and several days of record high temperatures at the start of the weekend and into next week.