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 to deal with this type of heat.
Major and Extreme heat impacts will be possible across Arizona and southern California on Monday, but the Northwest too could be impacted by the rising mercury.
Well above-average temperatures will be felt to start next week here, with the Willamette Valley reaching well into the 90s, and a few locations potentially topping out in the triple digits.
We'll continue to watch this developing story, as well as keep an eye on when things might cool off a bit!