Kansas River views Views of the Kansas River in Kansas City, Kan., on Monday evening. Heavy rains moved through Wyandotte County earlier this evening. The river was under flood stage at about 26 feet, and the flood stage is 33 feet. Views of the Kansas River in Kansas City, Kan., on Monday evening. The river was under flood stage at about 26 feet, and the flood stage is 33 feet. Views of the Kansas River in Kansas City, Kan., on Monday evening. The river was under flood stage at about 26 feet, and the flood stage is 33 feet.