Family members of the Australian hikers have not been able to contact them after the storm hit the popular Thorong La pass on October 14.
Nepalese police said 161 people had been rescued - including two Australians - when they called off the search yesterday.
Australia's Department of Foreign Affairs today said "reports estimate over 200 people were affected by the storm".
"The Australian embassy in Kathmandu remains in close contact with the Nepalese authorities who have advised there are no reports of Australian casualties, so far, in the incident," a department spokeswoman was quoted as saying by the Sydney Morning Herald.
21 people including nine Nepalese, three Polish, three Israelis and one Vietnamese were killed in Mustang district while nine people - six Canadians and three Indians - killed in Manang district so far.
