An upper-level ridge is building into the Desert Southwest. This feature will bring intense heat to portions of Arizona and southern California, particularly by Monday afternoon.
Extreme Heat Warnings have been issued for much of the Sonoran Desert, along with the bottom of the Grand Canyon!
Monday looks to be the hottest day, as several locations could top out at over 115°! Even though Phoenix is, of course, hot in the summertime, these are temperatures running 10 degrees above average. Even those who are experienced in hot climates may struggle…..