Video by Eileen Williamson
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2026/05/07 - Missouri River Basin Water Management Call
U.S. Army Corps of Engineers, Northwestern Division
May 7, 2026 | 37:53
The updated 2026 calendar year runoff forecast for the Missouri River Basin above Sioux City, Iowa, continues to be below average. April runoff in the Missouri River Basin above Sioux City was 1.5 million acre-feet, 51% of average. The 2026 calendar year runoff forecast above Sioux City is 17.1 MAF, 67% of average. The runoff forecast is based on current soil moisture conditions, mountain snowpack, and long-term precipitation and temperature outlooks.
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