10/22/2025
In-person public meetings on Missouri River Mainstem Reservoir system operations, which were scheduled for Monday, Oct. 27; Monday, Nov. 3; and Tuesday, Nov. 4 have been canceled. A virtual meeting...
10/6/2025
Although overall runoff for September 2025 in the upper Missouri River Basin was above average, runoff in the Fort Peck and Garrison reaches continues to be well-below average. “Beneficial rainfall...
9/5/2025
August runoff was 1.5 million acre-feet, 109% of average above Sioux City with most of the runoff entering the System below Garrison Dam. September runoff in the upper Basin is forecast to be well...
8/7/2025
July runoff in the Missouri River Basin above Sioux City, Iowa was 2.0 million acre-feet (MAF), 62% of average. Runoff was below-average in the Fort Peck and Garrison reaches with average to...
7/9/2025
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,...
6/5/2025
The updated 2025 calendar year runoff forecast for the Missouri River Basin above Sioux City, Iowa, continues to be below average. May runoff in the Missouri River Basin above Sioux City was 3.4...
5/12/2025
To assist with the recovery of a tugboat that sank on the Missouri River on Tuesday, May 6, releases from Garrison Dam will be reduced...
5/8/2025
The updated 2025 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 1.4...
4/9/2025
The updated 2025 calendar year runoff forecast for the Missouri River Basin above Sioux City, Iowa, continues to be below average. March runoff in the Missouri River Basin above Sioux City was 2.3...
3/18/2025
Two meetings to hear from the public about planned operation of the Missouri River Mainstem System will be held the first week in April...
3/11/2025
Virtual meetings on Missouri River Mainstem Reservoir system operations are in the process of being scheduled. Meeting dates and times will be announced as the details are finalized. In-person public...
3/6/2025
The updated 2025 calendar year runoff forecast for the Missouri River Basin above Sioux City, Iowa, continues to be below average. February runoff in the Missouri River Basin above Sioux City was 1.0...
2/6/2025
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 Missouri River Basin above Sioux City was 0.7...
1/8/2025
For the 2024 calendar year, Missouri River basin runoff above Sioux City, Iowa totaled 23.3 million acre-feet, 91% of average. Dry conditions continue to affect the upper Missouri River Basin at the...
12/4/2024
The U.S. Army Corps of Engineers began reducing the Gavins Point releases to the winter release rate on Nov. 23 with the navigation flow support season ending on Dec. 1 at St. Louis. “Releases from...