The Flood Warning continues for the following rivers in South Dakota. North Fork Yellow Bank River near Milbank affecting Grant County. North Fork Whetstone River near Milbank affecting Grant County. .For sites with a river forecast, the forecast includes precipitation through the next 24 hours. Any future precipitation could affect the forecasts. * WHAT. Minor flooding is occurring. * WHERE. North Fork Yellow Bank River near Milbank. * WHEN. Until further notice. * IMPACTS. At 1041.0 feet, minor agricultural flooding begins. At 1042.0 feet, water reaches the bottom of the bridge on 487th Avenue. * ADDITIONAL DETAILS. - At 7:15 AM CDT Saturday the stage was 1042.2 feet. - Recent Activity. The maximum river stage in the 24 hours ending at 7:15 AM CDT Saturday was 1042.7 feet. River levels are falling slowly as of 730 AM CDT. - Flood stage is 1041.0 feet. - http://www.weather.gov/safety/flood