The Flood Warning is extended for the following rivers in Missouri. Marmaton River near Nevada affecting Vernon County. . The Flood Warning is cancelled for the following rivers in Missouri. Little Osage River near Horton affecting Vernon County. * WHAT. Minor flooding is occurring. * WHERE. Marmaton River near Nevada. * WHEN. Until late tomorrow morning. * IMPACTS. At 20.0 feet, minor flooding occurs near the gage site and affects low lying areas along the river. * ADDITIONAL DETAILS. - At 7:45 AM CDT Friday the stage was 21.0 feet. - Bankfull stage is 20.0 feet. - Recent Activity. The maximum river stage in the 24 hours ending at 7:45 AM CDT Friday was 23.4 feet. - Forecast. The river is expected to fall below flood stage late this morning and continue falling to 7.3 feet Wednesday morning. - Flood stage is 20.0 feet. - Flood History. This crest compares to a previous crest of 21.1 feet on 03/12/2020. - http://www.weather.gov/safety/flood