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.

Flood maps reveal the seven most flood-prone cities along the U.S. East Coast, where rising seas, storm surges, and heavy rains combine to put homes and infrastructure at constant risk of water damage ...

At least nine states along the East Coast faced summer swelter on Monday, and the steamy weather is expected to persist on ...

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

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