Extreme heat forced South-Central Pennsylvania communities to cancel, postpone or move indoors multiple July Fourth and America 250 events, with the Susquehanna Valley under a heat wave through the weekend.
Temperatures are expected to approach 100 degrees, with feels-like readings of 100 to 110, prompting Gettysburg National Military Park to suspend outdoor programming and York County to shift its Independence Day ceremony indoors.
York County saw some of the broadest disruptions: West York Borough canceled its July 3 celebration, the Parade of Veterans was scrapped, and the History Made Here Cultural Fair was pushed from July 4 to Oct. 2.
Other schedule changes include the Carlisle State Fair opening at 4 p.m. on Friday and Saturday, Millersburg fireworks moving to July 10, and Lower Windsor Township's America 250 event shifting to July 8.
The cancellations underscore how the holiday weekend heat wave is reshaping public celebrations across the region, with officials still directing residents to indoor or later-date alternatives.