Excessive Heat Watch issued August 29 at 8:40PM PDT until September 04 at 8:00PM PDT by NWS

...Excessive Heat Returns to the Interior Late this Week... .While the region will see some relief from the heat Wednesday, strong high pressure will return to the region late this week and persist through the Labor Day Weekend. Thus, excessive heat will once again be likely beginning Thursday or Friday and continue through the Labor Day weekend with an increased risk for heat

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