Last year, Maricopa County had more than 600 heat-related deaths, with half of those being people experiencing homelessness, according to the Maricopa County Department of Public Health.

Heat-related fatalities in Maricopa County have increased dramatically in recent years. We're halfway through June 2025, which means temperatures in excess of 110 degrees are already upon us.

Phoenix has surpassed 110 degrees 55 times this summer, tying the record set just last year. Phoenix is expected to break that all-time record Thursday as temperatures are forecast to reach near ...