Excessive Heat Warning issued August 25 at 8:03AM PDT until August 28 at 9:00PM PDT by NWS

...MUCH WARMER WEATHER TO START THIS WEEKEND... ...EXCESSIVE HEAT WARNING IN EFFECT FROM 11 AM SATURDAY TO 9 PM PDT MONDAY... The National Weather Service in San Francisco has issued an Excessive Heat Warning, which is in effect from 11 AM Saturday to 9 PM PDT Monday.

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