SATURDAY: As our cold storm pushes to the South very early Saturday morning, there will be a slight chance for a few snow flurries for parts of the South Bay from 4 to 8 a.m. with residual moisture. Overall, most of the heavy rain should be exiting by the early morning hours with gradual sunshine during the day with as we prepare for another cold day on tap. Only mid to upper 40s expected over the Bay Area for daytime highs, with northwesterly winds up to 20 mph. Expect very slick and dangerous roads on all Bay Area elevations after our recent rain.
LOW SNOW LEVELS + BAY WINTER ADVISORY: While our storm will exit early Saturday morning look to potentially encounter areas of snow if you're traveling near 2,500 around the Bay Area. This is where a Winter Weather Advisory remains in place until 10 AM Saturday. 1-2" of snow may be on the ground at these elevations. Either way expect very slick roads with possible icy patches into Saturday AM..
FREEZE WARNING A freeze warning will be active for all of the Bay Area with widespread 20s & 30s as we head into Sunday Morning. The coldest will be in the interior North & East Bay. The only exception for the freeze warning will be downtown San Francisco where the city’s location near the water and heat from some of the buildings will keep temps closer to the mid 30s. ((Expect overnight temperatures Inland to stay in the 30s at least into Monday AM))
SIERRA SNOW: The overnight storm produced quite a bit of snow in the Sierra. In Colfax this morning, along Interstate 80 before the summit, plenty of new snow was there at 2,400 feet. And at the ski slopes, there was 1.5 feet of new snow. As of Saturday night, chains are required over the summit on I-80 and Highway 50.
GRAPEVINE SNOW: Overnight snow and ice forced Caltrans to shutdown Interstate 5 in Southern California today. People on the Grapevine were stuck in traffic for miles this morning. Crews shut down all northbound lanes at 9:30 a.m., but the CHP started letting drivers through the Grapevine by 1:30 p.m. this afternoon