Could Southern California see all-time record heat this weekend?

The oppressive summer heat that descended on Southern California in late August is back — and this time the searing temperatures may set some all-time records while again bringing threats to public safety along with the possibility of rolling power blackouts and wildfires.
Weather experts say the latest heat wave is likely to yield temperatures between 10 to 20 degrees above normal over the Labor Day weekend. Some Southern California cites removed from the cooler coastal areas — incl