Runoff in the Missouri River Basin above Sioux City, Iowa for the month of June was 6.8 million acre feet (MAF), 125 percent of normal. The 2015 runoff forecast is 26.6 MAF, 105 percent of normal. Average annual runoff is 25.2 MAF. June precipitation was above normal across much of the Missouri River Basin, most notably in the western Dakotas, eastern Montana and eastern Wyoming. Heavy rain also fell in eastern Nebraska, northeastern Kansas and much of Missouri.