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UPDATE: Models are coming together for this week with consistency! Over a foot has fallen at Baker and Stevens in the past 12 hours and after a brief break tonight heavy snow will start again near Baker (North Cascades) Tuesday mid morning. Snow will be mixed with rain at the base. This will eventually reach the South Cascades (Crystal) by Mid afternoon Tuesday. Snow will continue through Tuesday night as it turns colder by 9PM. Expect another 11-18 inches by Wednesday noon (50% dense followed by drier snow on top). Temps will fall considerably by Wednesday morning. Snow densities will be light by this time as the moisture weans however enough fluff to chase.
ROCKIES: The newest runs of the models show 3-5 inches in the Tetons on Tuesday followed by a cold front Thursday mid morning. Snow will turn heavy by noon and continue into Friday (7-12). South Central Montana will also see moderate to heavy snow north of Yellowstone (Bozeman area) Thursday afternoon and Friday. The Wasatch sees snow Thursday afternoon through Friday evening (11-17). My aim for Colorado is looking better for the central and northern mountains. All mountain locations will pick up snow Friday-Saturday however currently Steamboat, Vail and the I-70 corridor and as far south as Aspen might do best! I will update in the morning with a new powder alert (6-12). Most snow in Colorado wont be plentiful until Friday/Saturday.