ISLAND PARK, Idaho (KIFI/KIDK) - UPDATE 12:15 p.m.: The three snowmobilers have been found alive.
Clark County Search and Rescue is looking for three missing snowmobilers in the Island Park area along the Clark County border. Clark County is being assisted by Fremont County Search and Rescue.
Fremont County Sheriff Len Humphries said rescuers do not know if there was an avalanche and haven't found anything to indicate of an avalanche.
Humphries said a helicopter is assisting in the search from the air.