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. (AP Photo/Matt York)
July 18, 2023
Stories this photo appears in:
July 18, 2023 12:20 p.m.
Phoenix hits at least 110 for 19th straight day, breaking U.S. city records in worldwide heat wave
The lack of a nighttime cooldown can rob people without access to air conditioning of the break from the heat that their bodies need to continue to function properly.