With two great mountains to enjoy, there's no shortage of terrain to shred this winter. Big Bear snow March 12 2020. Big Bear Mountain Resort offers the best skiing and snowboarding experiences in Southern California! April and May will be cooler than normal, with rainfall below normal in the north and above normal in the south. ... Big Bear snow March 2, 2020 ... there … Major changes include: Get the monthly weather forecast for Big Bear Lake, CA, including daily high/low, historical averages, to help you plan ahead. Big Bear Grizzly | 03-12. Thunder, lightning and snow — that's the combination in Big Bear March 12. The storm is expected to move out by late Monday. Before planning your winter adventure at Snow Summit or Bear Mountain, review the BBMR Coronavirus Guidelines for the 2020/21 Season. Read Full Story . Several inches of snow fell in Big Bear overnight Sunday and continues on Monday, March 2. There is a chance of rain on Friday, March 6, with showers and a chance of snow early next week. Thunder Snow. The stormiest periods will be from late January into early February, mid- to late February, and late March into early April.