Heat Advisory issued July 30 at 9:16PM PDT until August 01 at 9:00PM PDT by NWS

...Hot weather across interior portions of Southwest California Monday into Tuesday... .An upper level high pressure system will strengthen over Northern California and Nevada on Monday. This in combination with a weak northerly wind component at the lower levels is expected to bring a significant warming trend across interior sections of Southwest

from Current Watches, Warnings and Advisories for the United States Issued by the National Weather Service http://ift.tt/2uPyrOQ