Update at 4:30 p.m. Arlington is now also under a Severe Thunderstorm Watch until 11 p.m. https://twitter.com/NWS BaltWash/status/1700606756467138689 Earlier: As storms move in, Arlington is now under a Flood Watch until midnight tonight. The watch was issued around 2:45 p.m. for the county and much of the D.C. area. Forecasters say several rounds of slow-moving