Update at 7:55 a.m. — The Flood Warning is now in effect until 4 p.m. as the rain continues throughout most of the day.
Earlier: Flooding is expected to take place in parts of Arlington overnight due to an extended period of heavy rain and storms.
The National Weather Service issued a Flood Warning for Arlington County and surrounding areas just before midnight.
From NWS:
1148 PM EDT Fri May 6 2022
…FLOOD WARNING IN EFFECT UNTIL 745 AM EDT SATURDAY…
* WHAT…Flooding caused by excessive rainfall is expected.
* WHERE…Washington DC, central Maryland and northern Virginia, including the following counties: in DC, District of Columbia. In central Maryland, Montgomery and Prince Georges. In northern Virginia, Arlington, City of Alexandria, City of Fairfax, City of Falls Church, City of Manassas, City of Manassas Park, Fairfax, Loudoun and Prince William.
* WHEN…Until 745 AM EDT Saturday.
* IMPACTS…Flooding of creeks, streams, urban areas, and other low-lying and flood-prone locations is imminent or occurring.
* ADDITIONAL DETAILS…
– At 1145 PM EDT, Doppler radar indicated heavy rain due to showers and isolated thunderstorms. Flooding is ongoing or expected to begin shortly in the warned area. Between 0.5 and 1 inch of rain has fallen.
– Additional rainfall amounts of 1 to 3 inches are possible in the warned area.
PRECAUTIONARY/PREPAREDNESS ACTIONS…
Turn around, don’t drown when encountering flooded roads. Most flood deaths occur in vehicles.
11:58 pm: flood warning until 7:45 am for DC and surrounding counties (bright green on map).
Flooding of creeks, urban areas and other low lying spots imminent with more heavy rain overnight. If you come across flooding turn around, don’t drown. https://t.co/JkheqplwFt pic.twitter.com/y6du2mwU2k
— Capital Weather Gang (@capitalweather) May 7, 2022