Central Pennsylvania is bracing for a significant and dangerous heat wave set to begin Sunday, with temperatures climbing into the 90s and heat index values potentially reaching dangerous levels, prompting an Extreme Heat Watch for multiple counties.

Weather forecasters have warned of extreme and dangerous temperatures as a major heat wave sweeps across the central and eastern U.S. states.

A heat wave with highs between 95 and 100 degrees is likely to stretch across the Midwest to the East Coast. New England is not expected to be spared from such heat in the coming days.

People brave the summer heat in different ways. See photos taken during scorching 2025 temperatures in the United States.