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

"Bright sun and humid conditions will cause AccuWeather RealFeel Temperatures to peak above 100 degrees for millions,” warned ...

No recorded city reported a falling sea level. The lowest levels of increase from the cities monitored in Florida were in Jacksonville, which reported an increase of 3.287 millimeters a year.

Running from Fort Kent, Maine, to the southern tip of Key West, Florida, Route 1 has long been considered a bucket list ...

Extreme humidity and heat will affect about 265 million people across the country this week. Maps show where and when to ...

Connect Images/Jason Persoff Stormdoctor via Getty Images(ST. LOUIS) -- At least 23 people were reported dead across several states in an expansive outbreak of severe weather from the Heartland to the ...

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

At least 28 people have been reported dead across several states in an expansive outbreak of severe weather from the Heartland to the East Coast, with more potentially powerful storms in the ...

Some of the biggest U.S. cities are sinking, and New York City is among them. An overall picture of the unique study — the first high-resolution, satellite-based measurement showing land sinking ...

A once-in-a-century heatwave is frying the East Coast of the United States as triple-digit temperatures are forecast to smash ...