3 days ago Bob Ambrose
A cold low-pressure circulation has cut off from its parent low over Arctic Canada and will track S/SE into the Rockies Sun AM through Mon PM. As the core of the cutoff low tracks west of the Divide, counterclockwise (east to west) waves of moisture will bring a snowy 24 to 36-hour period to Sunshine, Lake Louise, Norquay, and Nakiska, all could see 20 to 25 cm added up by Tue AM.