Excessive Heat Warning issued July 31 at 3:00AM PDT until August 03 at 8:00PM PDT by NWS

...VERY HOT TEMPERATURES THIS WEEK... .Widespread triple digit temperatures are expected across the Valley and surrounding terrain through Thursday. Peak heat is expected Tuesday and Wednesday. This will increase the risk for heat related illnesses for the general population and especially for sensitive groups.

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