The U.S. Army Corps of Engineers announced that February runoff into the Missouri River Basin above Sioux City was only 91% ...

The Missouri River basin's average streamflow has risen by about 40% over the past century, influenced by natural climate variability, land use changes, and atmospheric CO 2 levels.

“For the 2024 calendar year, Missouri River basin runoff above Sioux City, Iowa totaled 23.3 million acre-feet, 91% of average,” the report notes. “Dry conditions continue to affect the ...