00:30 Deadly Avalanche Reported Near Vail, Colorado Deadly Avalanche Reported just north of Vail, Colorado.
The two men and one other were riding snowmobiles about 4:45 p.m. Saturday when they triggered the avalanche on Muddy Pass near Vail, Colorado , KCNC-TV reported.
The weather was clear on Saturday and light snow was falling Sunday, but "even light new snow loads can activate persistent slab avalanches," according to the CAIC.
The CAIC said the three-day Presidents Day is a busy time for avalanche accidents because the good weather and nice snow draw many people to the backcountry.
"Over the last 10 winters in Colorado, six avalanche accidents killed people around President’s Day weekend," according to the center.