Calling the swollen Missouri River the worst he has ever seen, Iowa governor Terry Branstad warned of imminent flooding as the United States Army Corps of Engineers scrambled to repair a damaged levee, according to the Des Moines Register.

A combination of heavy rainfall and unusually large amounts of melting rainpack already forced Montana to empty reservoirs, adding to the deluge threatening Iowa, Nebraska, South Dakota and Missouri. Authorities have warned residents to secure their belongings and have suggested that farmers move their livestock to higher ground.

The small town of Hamburg in southwest Iowa was evacuated yesterday, and a partial breach has appeared in the levee there, the Army Corps of Engineers said. They have begun constructing a berm to prevent against further damage.