A cold front will bring high winds, heavy rain and possible thunderstorms tonight.
A Flash Flood Watch is in effect for Arlington and the D.C. region and Arlington County just issued the following alert.
The National Weather Service (NWS) reports they are monitoring 3 weather related threats to the metropolitan DC area starting this afternoon and into the night; high winds, a line of thunderstorms, and rainfall accumulations.
The NWS predicts wind gusts around 35-40 MPH starting in the early afternoon hours. The NWS is also monitoring threats of a line of thunderstorms approaching from the west which is expected to reach the area between 7 and 10 PM. The storms have the potential to produce heavy rainfall and wind gusts up to 70 MPH. The National Weather Service reports this line of thunderstorms is fast moving and will last around 15 to 20 minutes with residual rainfall immediately following. The area should expect up to 2 inches of rainfall.