9/3/2026 8:09:00 AM until 9/3/2026 6:00:00 PM

The National Weather Service in Mount Holly has issued a Flood Warning for the following rivers in Pennsylvania... East Branch Brandywine Creek Below Downingtown affecting Chester County. For the Brandywine Creek...including Downingtown...Minor flooding is forecast. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...East Branch Brandywine Creek below Downingtown. * WHEN...From this morning to this afternoon. * IMPACTS...At 8.0 feet, Dowlin Forge Road begins to flood. * ADDITIONAL DETAILS... - At 7:45 AM EDT Thursday the stage was 7.0 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 7:45 AM EDT Thursday was 7.0 feet. - Forecast...The river is expected to fall below flood stage late this morning and continue falling to 3.5 feet tomorrow afternoon. - Flood stage is 7.0 feet. - Flood History...This crest compares to a previous crest of 7.2 feet on 03/01/2021. - http://www.weather.gov/safety/flood