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

Temperatures in Florida, Georgia, Arkansas, Tennessee, Kentucky, Indiana, Illinois, North Carolina, and Virginia could feel ...

Meteorologist Tom Tasselmyer said the extreme heat continues Wednesday with heat indexes possibly reaching 110 degrees.

Humidity will soon surge to extreme levels across 40 states. Find out where there will be excessive heat and humidity — and how humidity patterns are changing.

Hail, flash floods, damaging winds, and even tornadoes are among the severe weather threats facing parts of the U.S.

Many places around the country will experience their first significant heat of the year in the next few days. Here’s why it’s so dangerous. See detailed maps about the latest heat index ...

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 ...