` ` This remains a search and rescue mission , '' Clark County detective says . White - out conditions are expected , Forest Service says . Weather conditions begin worse on Oregon 's Mount Hood for two hikers . Third climber found dead over night .
`` This remains a search and rescue mission , '' Clackamas County detective says . White-out conditions are expected , Weather Service says . Avalanche conditions hamper search on Oregon 's Mount Hood for two hikers . Third climber found dead over weekend .