A hiker photographs the sun rising over the Valley atop South Mountain, Monday, July 17, 2023 Phoenix. Phoenix is set to break its own record for consecutive days of highs of at least 110 degrees. Around one-third of Americans are under some type of heat advisory, with the most blistering temperatures in the South and West, where even the regular simmer has turned up a notch. (Photo by Matt York/AP Photo)
