The updated 2025 calendar year runoff forecast for the Missouri River Basin above Sioux City, Iowa, continues to be below average. January runoff in the Basin above Sioux City, was 0.7 million acre-feet, 92 percent of the average. Runoff was near or below average for most of the Missouri River Basin, and most of the upper basin had below-normal precipitation.

<p>The updated 2025 calendar year runoff forecast for the Missouri River Basin above Sioux City, Iowa, continues to be below average. January runoff in the Basin above Sioux City, was 0.7 million acre-feet, 92 percent of the average. Runoff was near or below average for most of the Missouri River Basin, and most of the upper basin had below-normal precipitation.</p>

Below average runoff in Upper Missouri River Basin