Meteorologists say a phenomenon known as a heat dome, a large area of high pressure in the upper atmosphere that traps heat ...

Dangerous Midwest, Northeast heat wave brings hottest weather of year so far in Chicago and New York—hydration, cooling ...

A multiday heat wave is bringing high temperatures and health risks from the Midwest to the Northeast, prompting warnings and ...

A massive heat dome enveloping much of the central and eastern U.S. this week will lead to levels of heat and humidity not seen in June in many years, warn AccuWeather meteorologists. High ...

The heat wave is expected to continue into the week putting millions of Americans in the Midwest and Northeast under heat ...

Heat advisories and extreme heat watches are in place across much of the U.S., lasting until Tuesday with the potential to be ...