Phoenix's 122 Degree Heat Record

On June 26, 1990, Phoenix Sky Harbor hit 122 degrees — the hottest ever recorded in the city — as a deadly heat dome trapped and compressed the air, amplified by urban heat and relentless sun. Temperatures soared from 91 to 122 degrees in just hours, forcing flight disruptions as aircraft struggled with thin air and insufficient runway data. Though airports didn’t shut down, the event reshaped aviation safety charts and remains a chilling milestone in Arizona’s extreme summer history. Support the show:Get a discount at https://solipillow.com/discount/dnn. Advertise on DNN:[email protected] This is an automated, high-level news summary based on public reporting.Report issues to [email protected]. View sources & latest updates:https://sources.thednn.ai/ff6ee5e9487e497c