September 11, 2015 6:05 pm Jeff's Forecast: Clouds, Humidity & Showers Subtropical moisture to the South will help to cool temperatures, increase clouds & humidity. Chief Meteorologist Jeff Ranieri tracks the weekend changes and where isolated shower chances are the highest. US & World Videos 3:34 Bay Area forecast: Windy finish to the weekend 2:52 Cinthia's forecast: Cool coast, mild inland 2:45 Jeff's forecast: Early AM fog brings cool temps 3:41 Jeff's Forecast: 2 Systems keep big heat away 2:12 Forecast: Nice weekend