A torrent of water rushes out of the Black Hills and through western Rapid City. A Native American woman is warned to leave for higher ground, but some family members try to ride out the flood and perish. Two couples escape their car and stay above the rising water by jumping onto floating rooftops.
A welding supply business is inundated, so employees spend the night on top of a display counter. And National Guard soldiers are called to life-saving duty.
