Two other skiers buried in the avalanche were rescued by members of their party, said Cpl. Dan Moskaluk.
The incident, which was witnessed by resort staff members, occurred between 1 p.m and 1:30 p.m. PT, Moskaluk said in a telephone interview.
A search-and-rescue team was planning to search Saturday for the body. The gender of the victim was not known late Friday.
Revelstoke Mountain Resort is a ski resort on Mount Mackenzie, just outside Revelstoke, which is about 398 miles east of Vancouver and 258 miles west of Calgary.