The first major heat wave of the summer will bring another day of dangerously high temperatures to the East Coast on Wednesday before relief moves in. The oppressive heat shattered records across the Northeast on Tuesday.

A long-lasting extreme heat wave reached its dangerous crescendo Tuesday, bringing the hottest day in a decade to some major East Coast cities and putting millions of already fatigued Americans at risk.

A "sprawling dome of high pressure" is creating record heat across the East Coast, but a single spot in North Carolina remains an oasis in the midst of all the misery. Mount Mitchell, about a 90-mile drive northwest from Charlotte,