May 31, 2016 7:35 pm Jeff's Forecast: Hottest Day Friday A mix of fog and sunshine Wednesday will bring widespread temperature extremes. Chief Meteorologist Jeff Ranieri tracks a much warmer forecast for everyone by Friday in your Microclimate Forecast. US & World Videos 3:26 Forecast: Hottest days of the year this week 3:12 Forecast: Breezy and mild weekend finish, heat ahead 3:06 Bay Area forecast: breezy and mild weekend, heat on the way 2:32 Bay Area forecast: Changes out west, hurricane season begins 2:23 Jeff's Forecast: Tracking a western storm that will help drop temps, even bring unusual Western rain