Original source (on modern site)
A cold, rainy storm moved into the Bay Area early Saturday, May 4, and was expected to linger into late afternoon. The updating radar map above shows areas of precipitation in green, with greater intensities indicated by yellow and orange. A winter weather advisory is in effect for the northern Sierra Nevada, including Lake Tahoe, from 11 a.m. Saturday to 8 a.m. Sunday. The National Weather Service predicts a "high-impact spring storm" with heavy snow and high winds, and it warns of "difficult to impossible" driving above 5,000 feet elevation. Updates on road conditions can be found on CalTrans' website or mobile app or by calling (800) 427-7623.