The Flood Watch continues for the following rivers in Virginia. Maryland. West Virginia. Potomac River at Point of Rocks affecting Western Loudoun and Frederick MD zones. Potomac River at Little Falls affecting Central and Southeast Montgomery and Fairfax Counties. Potomac River at Harpers Ferry affecting Washington and Jefferson Counties. Shenandoah River at Millville affecting Clarke, Jefferson and Warren Counties. South Branch Potomac River near Springfield affecting Hardy and Hampshire Counties. . The Flood Watch is extended for the following rivers in Virginia. Maryland. Potomac River at Edwards Ferry affecting Northwest Montgomery, Western Loudoun and Eastern Loudoun zones. For the Potomac River. including Paw Paw, Hancock, Shepherdstown, Harpers Ferry, Point of Rocks, Edwards Ferry, Little Falls. flooding is possible. For the Shenandoah River. including Millville. flooding is possible. * WHAT. Flooding is possible. * WHERE. Potomac River at Point of Rocks. * WHEN. From late tonight to late Friday evening. * IMPACTS. At 20.0 feet, The boat ramp and lower parking lot at Point of Rocks are flooded. Water approaches the water treatment plant in Brunswick. Farmland behind the Tarara Vineyard is flooded. * ADDITIONAL DETAILS. - At 11:45 PM EDT Tuesday the stage was 3.8 feet, or 12.2 feet below flood stage. - Forecast. Flood stage may be reached just after midnight tonight. - Flood stage is 16.0 feet. - Please visit www.weather.gov/safety/flood for flood safety and preparedness information