Today the forecast high temperature in Phoenix is 118. Crazy, no? I am happy that I left there years ago. The linked article mentions the all time high temp on Phoenix on June 26, 1990 – 122 degrees. I was there, it was ugly hot. I remember leaving work and thinking that it was even hotter than usual. Then I got home and heard on the news that it was so hot the airport had to shut down as planes were not certified to take off or land in that heat (for nongeeks, the higher the temperature the thinner the air which reduces aerodynamic lift).
In Prescott, Az at 5500 feet of elevation it’s a balmy 103 … they predict 109, which is very hot for us. So far the high-tech evaporative cooler we bought last year is keeping it comfortable in the house.