An extreme heat warning has been issued starting Wednesday
Extreme heat is considered the deadliest weather-related hazard in the U.S., according to the Fifth National Climate Assessment. About 2,000 Americans die each year on average from extreme heat, according to the CDC.
More than 130 million people across most of the United States are on alert for widespread, dangerous heat.
Soccer fans endured intense heat at MetLife Stadium to watch Chelsea FC and Fluminense face off in a Club World Cup semifinal match.
Dangerously hot temperatures were gripping New York City and the Tri-State area again on Wednesday, the final day of the heat wave.
An ongoing heatwave can take a greater toll than sub-freezing winter temperatures.