The National Weather Service has issued a flash flood watch for Arlington and the rest of the D.C. metro area. It remains in effect until 2:00 a.m. on Wednesday.
Rain is expected to continue through the evening and the area may also see thunderstorms.
From NWS:
* SHOWERS…WITH EMBEDDED AREAS OF HEAVY RAINFALL…WILL CONTINUE
THROUGH TONIGHT. ALTHOUGH IT WONT BE RAINING ALL THE TIME…
PERIODS OF HEAVY RAIN WILL LEAVE THE GOUND WATER CLOGGED…
RESULTING IN POTENTIAL FLOODING.PRECAUTIONARY/PREPAREDNESS ACTIONS…
A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD
TO FLASH FLOODING. FLASH FLOODING IS A VERY DANGEROUS SITUATION.YOU SHOULD MONITOR LATER FORECASTS AND BE PREPARED TO TAKE ACTION
SHOULD FLASH FLOOD WARNINGS BE ISSUED.