RENO, Nev. (AP) — The Latest on another series of winter storms at Lake Tahoe and the Sierra Nevada (all times local): 4 p.m. The National Weather Service in Reno says winds in excess of 100 mph over Sierra ridgetops could churn up waves as high as 5 feet on Lake Tahoe this weekend as a series of winter storms dumps several more feet of snow in the mountains. The service issued a winter storm warning for the Tahoe region Thursday effective until 4 a.m.