Flood Prediction and River Levels Charts at NOAA.gov

The National Weather Service’s Advanced Hydrologic Prediction Service page shows river levels in the Bismarck and Mandan area. 

To view this page, follow this link:  http://www.crh.noaa.gov/ahps2/hydrograph.php?wfo=bis&gage=biwn8&view=1,1,1,1,1,1,1,1