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

Flood maps reveal the seven most flood-prone cities along the U.S. East Coast, where rising seas, storm surges, and heavy ...

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

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.

Polluted air will remain a threat Friday for millions of Americans across the eastern United States as the Canadian wildfires continue to send smoke billowing across the region, tinging the skies ...