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...
11/7/2024
Gavins Point Dam releases will be reduced in late November as flow support to navigation ends. Releases are currently 32,000 cubic feet per second...
10/3/2024
September runoff in the upper Missouri River Basin was well-below average, continuing the trend of below-average runoff in 2024. “Although Montana precipitation was wetter-than-normal in September,...
9/16/2024
A combination of planned maintenance and an unscheduled turbine outage at Oahe will result in outlet tunnel operations beginning today. Starting at 10 a.m. today, Sept. 16, the outlet tunnels at Oahe...
9/5/2024
Abnormally dry or drought conditions are currently present across 73% of the Basin, with drought conditions likely to persist or worsen through November. August runoff was 1.2 million acre-feet (MAF),...
8/8/2024
July runoff in the Missouri River basin above Sioux City, Iowa was 2.8 million acre-feet (MAF), 85% of average with below-average runoff in the upper three reaches and above-average runoff in the...
7/24/2024
Test flows from Fort Peck Dam, will be ending earlier than expected. The 2024 flow test from Fort Peck Dam was the first in a series of test flows intended to comply with the 2018 Biological Opinion...