Obama says part of the tight-knit community of Oso, Wash., has been lost. He says first responders have acted bravely and people have come forward to help fellow citizens.
Obama says he's spoken with Washington Gov. Jay Inslee and signed an emergency declaration for the state. He says his administration is in ongoing contact with state officials.
"We hope for the best, but we recognize this is a tough situation," Obama said.
At least 14 people are confirmed dead and dozens more are thought to be unaccounted for or missing.
Obama spoke at a news conference in the Netherlands with Dutch Prime Minister Mark Rutte.