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.

In several cities, including New York, Boston and Philadelphia, temperatures have hovered in the upper 90s, with heat indices exceeding 100°F.

Temps are soaring in cities across the Atlantic coast, where some cities are reaching 100 degrees with heat indexes approaching 110 degrees.