December 20, 2017 5:45 pm Jeff's Forecast: Cold Morning 30s A chilly blast of air will move over the West helping to drop our morning temperatures. Chief Meteorologist Jeff Ranieri tracks who dips below freezing in your Microclimate Forecast. US & World Videos 2:28 Jeff's Forecast: Warming up as wind increases over parts of the Bay Area 4:03 Jeff's Forecast: Wind increases to bring hotter temps 2:39 Kari's forecast: Seasonable and sunny 2:01 Kari's forecast: Seasonable and sunny day 2:12 Jeff's Forecast: Chilly start as temps jump into the 80s week