Heavy snowfall with total amounts of 15 to 20 cm is expected on Sunday.Light rain or snow is expected in parts of northern Alberta today as a low pressure system moves through the region. Snowfall will begin before midnight as another low forms and will intensify early Sunday morning.The heaviest snow is expected in a swath from Paddle Prairie Metis Settlement to Fort McMurray, where local amounts of up to 20 cm are possible.Snowfall will end by Sunday evening.###Visibility will likely be reduced at times. Local utility outages are possible.Please continue to monitor alerts and forecasts issued by Environment Canada. To report severe weather, send an email to ABstorm@ec.gc.ca, call 1-800-239-0484 or post reports on X using #ABStorm.