The National Weather Service in Shreveport LA has issued a Flood Warning for the following rivers in Texas. Black Cypress Bayou At Jefferson affecting Marion and Cass Counties. For the Black Cypress Bayou. including Jefferson. Minor flooding is forecast. * WHAT. Minor flooding is forecast. * WHERE. Black Cypress Bayou at Jefferson. * WHEN. From this afternoon until further notice. * IMPACTS. At 13.0 feet, Lowland flooding will affect mainly timber resources. * ADDITIONAL DETAILS. - At 7:00 AM CDT Monday the stage was 12.9 feet. - Bankfull stage is 13.0 feet. - Forecast. The river will rise above flood stage this afternoon to 13.5 feet Friday morning. - Flood stage is 13.0 feet. - Flood History. This crest compares to a previous crest of 13.6 feet on 12/23/2013. - http://www.weather.gov/safety/flood