LITTLEROCK, AR  — A tornado destroyed 50 to 80 houses and killed at least two people in an Arkansas town on Monday and floods caused at least three deaths in the state as storms continued to lash the region, authorities said.

In Missouri, a warning of imminent failure for a levee on the Black River in the southeast part of the state prompted the mandatory evacuation of about 1,000 people.

In Vilonia, Arkansas, a town of some 3,000 people north of Little Rock, two deaths were confirmed and between 50 to 80 houses were destroyed by a tornado, according to Faulkner County emergency management. Police reported a path of destruction half a mile wide.

Law enforcement officials said there was another fatality in Washington County in northwest Arkansas from a drowning when a woman was swept away by rapidly moving water.