OMAHA, Neb. – June runoff in the Missouri River Basin above Sioux City, Iowa was 3.3 million acre-feet, 60% of average. The updated 2025 calendar year runoff forecast for the Missouri River Basin above Sioux City, Iowa, continues to be below average.
“Mountain snowpack melted more rapidly than normal, and all reaches except the Sioux City reach experienced below normal precipitation during June,” said John Remus, chief of the U.S. Army Corps of Engineers’ Missouri River Basin Water Management Division. “As a result, June runoff was less than forecast. Dry conditions are expected to continue in July.”
The 2025 calendar year runoff forecast above Sioux City is 19.1 MAF, 74% of average, and slightly lower than last...
“Mountain snowpack melted more rapidly than normal, and all reaches except the Sioux City reach experienced below normal precipitation during June,” said John Remus, chief of the U.S. Army Corps of Engineers’ Missouri River Basin Water Management Division. “As a result, June runoff was less than forecast. Dry conditions are expected to continue in July.”
Parts of the new hydropower units to be installed at the Fort Randall Dam arrived July, 23, 2025. All eight units at the dam will be removed and replaced as part of the Fort Randall Major Unit Rehabilitation project. The pieces shown here will replace Unit six. The entire project will take eight years to complete. (U.S. Army video by Makenzie Leonard)
