Arizona’s emergency services brace for triple-digit heatwave as deaths mount

The temperature in Phoenix is forecast to top 110F this week for the first time this summer, posing a danger for the unhoused

A dangerous heatwave is due to scorch large swathes of Arizona for the rest of the week, triggering the first extreme heat warning of the year as temperatures in Phoenix are forecast to top 113F (45C) on three consecutive days.

Day and nighttime temperatures are expected to reach 7F to 10F (4C to 6C) above normal for this time of the year, which could drive a surge in medical emergencies and deaths as people struggle to stay cool amid soaring energy prices and rising homelessness.