Arlington County and the rest of the D.C. area is under a Severe Thunderstorm Watch through 8:00 tonight.
Forecasters say storms with damaging winds and maybe even a tornado are possible this afternoon and evening.
From the National Weather Service:
A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 8 PM…FOR THE INTERSTATE 95 CORRIDOR OF NORTHERN MARYLAND AND NORTH CENTRAL VIRGINIA…AND LOWER SOUTHERN MARYLAND. NUMEROUS THUNDERSTORMS… SOME SEVERE…WILL DEVELOP THIS AFTERNOON AND EVENING. DAMAGING WIND GUSTS AND AN ISOLATED TORNADO WILL BE THE PRIMARY THREATS. IN ADDITION…ANY THUNDERSTORM WILL PRODUCE VERY HEAVY RAINFALL AND MAY RESULT IN LOCALIZED FLASH FLOODING.