This data visualization shows the severity of flooding in the Midwest. As of June 1, 2019, the 17 USGS streamgage sites in red had the highest streamflow for the entire period of record available. Both the Mississippi and the Arkansas rivers are seeing record-breaking flows. USGS crews continue to work extensively deploying equipment and making measurements of streamflow in Minnesota, the Dakotas, Oklahoma, Arkansas, Missouri, Iowa, Illinois, Kansas, and Nebraska. Since the spring flooding began