A man drinks water at Time Square in New York City on June 24, 2025 as temperatures reach 100 degrees Fahrenheit (38 degrees Celsius). A potentially life-threatening heat wave enveloped the eastern third of the United States on June 23 impacting nearly 160 million people, with temperatures this week expected to reach 102 degrees Fahrenheit (39 degrees Celsius) in the New York metropolitan area. Dangerously high temperatures are forecast through midweek in Washington, Baltimore, Philadelphia, New York City and Boston. (Photo by Leonardo Munoz / AFP)