The sweltering heat felt in the western U.S. is headed to the Northeast with dangerously hot temperatures putting millions of Americans at risk. The National Weather Service warned on Monday that the looming heat dome 'could see temperatures topping the century mark' as it's expected to break records across several cities.
At least 265 million people will be subjected to temperatures above 90 degrees Fahrenheit this week, Parkinson said, a temperature threshold that can be dangerous and lead to heat-related illnesses. Parkinson said that 22 million will be subjected to temperatures over 100 degrees. These maps show what's expected across the region.