An "extremely dangerous heat wave" is continuing to scorch a huge area of the eastern United States June 23, affecting tens of millions of people.

The intensifying and expansive heat wave affecting around 150 million people in the United States from Wisconsin to Washington, DC, bears the hallmarks of human-caused global warming.

An intense heat wave is about to hit the central and eastern United States, putting millions of Americans to the test. Temperatures could reach historic levels, with potentially

An extremely dangerous heat wave is underway for the eastern half of the United States as a potent heat dome reaches its peak, bringing the hottest temperatures of the year so far – the hottest in years for some cities – and putting tens of millions at risk.

An intense and nearly historic weather pattern is cooking much of America under a dangerous heat dome this week with triple-digit temperatures in places that haven't been so hot in more than a decade.

A massive heat wave is unleashing the hottest weather in years across the eastern United States, and the temperature in New York City could hit triple digits for the first time in over a decade.

NYC is under an excessive heat warning​ today, while Long Island and the Jersey coastline are under a heat advisory.