The Flood Warning is extended for the following rivers in Pennsylvania. Conestoga River at Lancaster affecting Lancaster County. * WHAT. Minor flooding is occurring and minor flooding is forecast. * WHERE. Conestoga River at Lancaster. * WHEN. Until tomorrow evening. * IMPACTS. At 11.0 feet, Grofftown Road will flood. At 13.0 feet, Several homes are affected by high water. * ADDITIONAL DETAILS. - At 10:15 AM EDT Tuesday the stage was 11.7 feet. - Recent Activity. The maximum river stage in the 24 hours ending at 10:15 AM EDT Tuesday was 11.7 feet. - Forecast. The river is expected to rise to a crest of 12.1 feet this afternoon. It will then fall below flood stage tomorrow afternoon. - Flood stage is 11.0 feet. - http://www.weather.gov/safety/flood