No getting around it, the Valley of the Sun has been incredibly hot this week. In fact, the high temperature at Phoenix Sky Harbor has been 115º+ for the past four days (July 28th-31st).
This ties the record for the longest streak of days at or above 115º, which has only happened four other times since records began.
June 19-22, 1968
June 25-28, 1976
June 25-28, 1990
July 26-29, 1995