Following days of smoky skies, New York was pummeled with heavy thunderstorms, downpours and flash floods.
A Heat Health Emergency has been declared in Philadelphia by the city's health department due to this week's forecasted extreme high temperatures.
Inside the Pennsylvania Convention Center, crews were hard at work putting the finishing touches on the floats for "The Salute to Independence Semiquincentennial Parade."
Stress along the San Andreas and San Jacinto faults in Southern California has reached the highest levels in 1,000 years, according to new research from the University of Hawaiʻi at Mānoa.
The School District of Philadelphia has announced that 52 schools will be dismissing early on Thursday, June 11, due to the forecasted extreme heat.
High temperatures could be in place in several of the host cities during the World Cup.