July 13, 2017 11:45 pm Jeff's Forecast: Much Hotter Weekend Temperatures to surge 10 degrees by this weekend. Chief Meteorologist Jeff Ranieri has more on a new heat advisory and how long hot 100s could last in your Microclimate Forecast. US & World Videos 2:58 Rob's Forecast: Breezy Sunday 2:55 Bay Area forecast: Breezy weekend 2:40 Cinthia's forecast: Gusty coast, inland warmth 2:20 Cinthia's forecast: Sunny, breezy weekend 3:49 Cinthia's forecast: Sunny and breezy weekend