(Updated at 11:55 a.m.) Arlington County is urging residents to prepare today for Tropical Storm Isaias, which is currently making its way up the East Coast.
While windy conditions and some thunderstorms are likely as Isaias approaches this afternoon and evening, the main threat locally is heavy rain. Forecasters say the tropical storm could dump 3-6 inches of rain on the immediate D.C. area, potentially causing flooding.