November 28, 2019 8:10 am Vianey's Forecast: Chilly Thanksgiving Thanksgiving Day is going to be chilly. NBC Bay Area forecaster Vianey Arana has more in the Microclimate Forecast. US & World Videos 2:59 Rob's forecast: cooler near the bay, valley heat continues 2:03 Bay Area forecast: AM Fog, sunny & slightly cooler 2:39 Forecast: Morning fog returns as temps start to dip 3:27 Jeff's Forecast: System brings temps down this weekend 2:49 Forecast: Drop in temps ahead