That's not far short of 50C
Dangerous heatwave settles over U.S. Southwest- temps to hit 120 F in Arizona
A ridge of high pressure will cause elevated temperatures across most of the Western United States, from Arizona and California, northward to the US/Canada border. This also may bring the first monsoon storms to the region as this abnormally large ridge of high pressure takes hold.
26 June, 2013
It’s that time of the year again, where a hot desert meets the Summer. Temperatures in the 100s across Phoenix will turn to 115+, with 120+ along the Colorado River Valley as a ridge of high pressure builds in the area.