Weather Flash Flood Warning Issued By ARLnow.com Published July 12, 2013 at 12:15AM Arlington is under a Flash Flood Warning until 3:15 a.m. Slow-moving storms moving into the area have the potential for heavy, persistent rainfall, which could flood streams and low-lying areas. Click to share on Facebook (Opens in new window)Click to share on Twitter (Opens in new window)Click to share on Print (Opens in new window) #flooding #rain #storm