PHILADELPHIA (WPVI) -- The birthplace of the nation is getting ready to celebrate the Fourth of July and America's 250th birthday as festivities kick into high gear in Philadelphia.
However, extreme heat is forcing many event cancellations, including Philadelphia's "Salute to Independence" parade.
This, as an Extreme Heat Warning is in effect for the entire Philadelphia region.
Temperatures in the city are expected to be around 100 degrees through Saturday.
For the latest forecast, visit 6abc.com/Weather.
Meanwhile, ABC is marking America's 250th anniversary with 24 hours of unparalleled programming called "Disney Celebrates America."
Skippack Twp. in Montgomery County has canceled its annual 4th of July parade due to dangerous heat in the forecast.
Township officials made the announcement on their Facebook page.
"The safety of our community is always our first priority and we want to thank everyone for their understanding," they said in the post.
Organizers have canceled Philadelphia's Salute to Independence Semiquincentennial Parade that was set to take place on Friday.
Wawa Welcome America made the announcement on social media just hours before the parade.
The event was canceled as the city expects to hit heat index values, once again, between 105-112 degrees, or even higher. The dangerous heat already tied a 103-degree record on Thursday.
This year, the route was supposed to be expanded, but was already cut short due to the heat. It was set to take the floats, 42 marching bands, and other performers down the parkway to Logan Circle.
"The reality is that Mother Nature is Mother Nature," Todd Marcocci, the parade producer, told Action News.
Dozens of train enthusiasts gathering in Berks County to catch a glimpse of a historic locomotive were overcome by the extreme heat Thursday as temperatures soared across the region.
Chopper 6 was overhead at Reading Outer Station along Pottsville Pike in Muhlenberg Township, where authorities say first responders treated more than 100 people for heat-related injuries.
"Multiple people began collapsing from what appeared to be mostly heat-related medical episodes. Infants several months old to the elderly began to experience heat-related symptoms. On scene medical personnel immediately became overwhelmed with the number of patients," said Muhlenberg Township Police Chief Randall Hoover.
One person went into cardiac arrest and was revived at the scene, officials said.
According to Hoover, 35 people needed to be taken to an area hospital for further evaluation
The The U.S. Army Field Band & Soldiers' Chorus concert that was planned for Thursday, July 2, in Philadelphia has been canceled due to the extreme heat.
The concert was set to begin at 7 p.m. on Independence Mall.
The performance was to be headlined by award-winning performing artist Queen Latifah and along with a special performance by Miss America 2026, Cassie Donegan.
