Hot temperatures are forecasted for the Southwest Tuesday, with the National Weather Service describing the heat wave as "extreme even by desert standards," NBC News reported.
The excessive heat warnings are in effect Tuesday, the official start of summer, for all of California and Arizona, as well as parts of Nevada, Utah and New Mexico.
Temperatures are expected to reach a high of 122 degrees in Phoenix, while Las Vegas is expected to reach 117 degrees, according to the weather service.
U.S. & World
In California, residents were asked to conserve energy through Wednesday, as the high temperatures are expected to drive up air conditioner use.