weather December 27, 2021 5:25 pm Snow Piles Up in the Sierra, Closes Lake Tahoe-Area Highways Ski resort consultant Kevin Cooper provides an update on the much-needed snow that has accumulated in the Sierra Nevada and talks about the problems it has caused. US & World Videos 2:43 Report: California tourism numbers top pre-pandemic levels, Bay Area lags behind 1:08 Antioch school supervisor placed on leave after NBC Bay Area worker bullying report 3:23 UC Davis finds brain sizes are growing 3:36 Waymo expands driverless taxi service 2:32 Officials release footage of suspected vehicle involved in mail carrier robbery