April 1, 2011 7:44 pm From Record Heat To Much Cooler Weekend In Jeff's Forecast. The strong region of high pressure will weaken and allow a cool push of air for the Weekend. Details on how low it will go Saturday in my forecast. US & World Videos 6:54 One-on-one with San Francisco mayoral candidate Mark Farrell 3:15 In the news: RV parking problem, dead sea lion pups, former OPD chief running for City Council 3:40 A closer look: VTA bus attack response 3:00 Oakland announces sale of its share of Coliseum ownership 1:49 California's proposed taxpayer protection law causing controversy