More than 80 communities in Saskatchewan and Manitoba remain under states of emergency due to flooding.
More than 500 people have been forced to leave their homes in the two provinces.
About 150 acute care patients and long-term residents have been moved from a hospital in Melville in eastern Saskatchewan because of rising flood waters.
Saskatchewan Premier Brad Wall says early estimates show the disaster will likely exceed the $360-million cost of flooding in 2011.
Agriculture officials say it's too early to speculate how big the crop loss might be.