Summary

Low pressure over northern Alberta will bring periods of light snow moving north to south across the Rockies during the day Sunday with light amounts. Westerly winds will be a major factor across the ridgetops at 70 to 90 kph. Sunday night into Monday, snow moves in with storm totals of 20 to 30cm at Sunshine and Lake Louise, with 10 to 20cm at Castle and Marmot through Monday evening.

Short Term Forecast