Minnesota's Rapidan Dam experienced a “partial failure” on its western support structure, posing a dangerous threat of uncontrolled floodwaters. Officials warn immediate evacuation orders will go into effect if there is a total breach. #Minnesota #RapidanDam #flooding Start your day with "Morning in America," NewsNation's live three-hour national morning newscast hosted by Markie Martin. Weekdays starting at 6a/5C. #MorningInAmerica NewsNation is your source for fact-based, unbiased news for all America. More from NewsNation: newsnationnow.com Get our app: trib.al/TBXgYpp Find us on cable: trib.al/YDOpGyG How to watch on TV or streaming: trib.al/Vu0Ikij