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  • Below average runoff continues in the upper Missouri River basin

    September precipitation was well-below normal in the Missouri River Basin.  As a result, September runoff in the upper Missouri River Basin above Sioux City, Iowa was 69% of average.  Since January 1, precipitation in the upper Basin is well-below normal.  The National Weather Service’s Climate Prediction Center (CPC) is forecasting that below-normal precipitation will continue in October.  The 2020 calendar year runoff forecast for the upper Basin, updated on October 1, is 30.2 million acre-feet (MAF), 117% of average. Average annual runoff for the upper Basin is 25.8 MAF.

  • August inflows much below average in northern Missouri River Basin

    August precipitation was well-below normal in the Missouri River Basin, particularly in the western and far northern portions, which received less than 25% of normal precipitation. The lack of precipitation and dry soil conditions resulted in 74% of average August runoff in the Missouri River Basin above Sioux City, Iowa (upper Basin). The 2020 calendar year forecast for the upper Basin, updated on September 1, is 30.6 million acre-feet (MAF), 119% of average. Average annual runoff for the upper Basin is 25.8 MAF. Runoff in the upper Basin during the remainder of 2020 is forecast to be below average.

  • Omaha District closes Missouri River Levee System L-536 breach near Corning, Missouri

    The Omaha District, U.S. Army Corps of Engineers, closed another breach along the Missouri River Levee System L-536, northwest of Corning, Missouri, Saturday.

  • 2016 RUNOFF FORECAST BELOW NORMAL; SPRING MEETINGS TO BE HELD APRIL 12–14

    OMAHA, Neb. – Runoff in the Missouri River Basin aboveSioux City, Iowa, was 1.9 million acre feet

  • Corps of engineers updates region on basin conditions

    he U.S. Army Corps of Engineers continues to monitor snowpack levels across the Columbia River Basin. “Currently, levels are well below normal for this time of year, so we’re seeing lower than normal river flows throughout the system,” said Steve Barton, Chief of the Corps’ Water Management Division. Basin snow below 5,000 feet in the United States is either already gone or is melting ahead of normal.

  • Corps reports above normal May runoff in the Missouri River Basin; drought conditions improve in upper basin

    The U.S. Army Corps of Engineers Missouri River Basin Water Management Division reports May runoff in the Missouri River Basin above Sioux City, Iowa, was 3.7 million acre feet (MAF), 110 percent of normal. The 2015 runoff forecast has increased to 22.5 MAF, 89 percent of normal. Average annual runoff is 25.2 MAF.