Four members of a family from Northern California who were celebrating a birthday were among eight people killed when a boat capsized on Lake Tahoe in California over the weekend during a sudden and fierce thunderstorm.

SOUTH LAKE TAHOE, Calif. (AP) — The body of the last person missing from a boat that capsized on Lake Tahoe in California during a sudden and powerful weekend thunderstorm was found Monday, bringing the death toll to eight.

Five of the eight people who died after their boat flipped Saturday in Lake Tahoe were from Northern California, and three were from upstate New York, according to the El Dorado County Sheriff's Office.