Heat Advisory issued June 17 at 1:00PM PDT until June 21 at 9:00PM PDT by NWS

...Extended period of very hot temperatures expected across the interior portions of southwest California this weekend through the middle of next week... .Strong high pressure building across the southwestern states will cause temperatures to climb much above normal in many parts of interior southwest California this weekend through the middle

from Current Watches, Warnings and Advisories for the United States Issued by the National Weather Service http://ift.tt/2sn5w3v