Missouri River runoff remains well below average
Runoff into the Missouri River Basin remains well below normal, prompting the U.S. Army Corps of Engineers to shorten this year's navigation season. June runoff above Sioux City, Iowa, totaled 2.9 million acre-feet, just 52 percent of average. The Corps now forecasts 2026 runoff at 15.5 million acre-feet, or 60 percent of normal, as dry conditions and below-average mountain snowpack continue across the basin. "Mountain snowpack peaked much earlier than normal this year and completely melted by...













