(Updated at 3:45 p.m.) A Winter Storm Warning is set to take effect overnight tonight, as a snowstorm bears down on the D.C. area.
Forecasters say 4-8 inches of heavy snow accumulation is likely for Arlington and the immediate metro area, though even snow is possible.
From the National Weather Service:
…WINTER STORM WARNING IN EFFECT FROM 2 AM TO 8 PM EDT WEDNESDAY… * WHAT…HEAVY SNOW EXPECTED. TOTAL SNOW ACCUMULATIONS OF 4 TO 8 INCHES ARE EXPECTED. * WHERE…THE DISTRICT OF COLUMBIA, PORTIONS OF CENTRAL AND NORTHERN MARYLAND AND NORTHERN AND NORTHWEST VIRGINIA. * WHEN…FROM 2 AM TO 8 PM EDT WEDNESDAY. * ADDITIONAL DETAILS…PLAN ON DIFFICULT TRAVEL CONDITIONS. BE PREPARED FOR SIGNIFICANT REDUCTIONS IN VISIBILITY AT TIMES. PRECAUTIONARY/PREPAREDNESS ACTIONS… A WINTER STORM WARNING FOR SNOW MEANS SEVERE WINTER WEATHER CONDITIONS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. IF YOU MUST TRAVEL, KEEP AN EXTRA FLASHLIGHT, FOOD AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. THE LATEST ROAD CONDITIONS FOR THE STATE YOU ARE CALLING FROM CAN BE OBTAINED BY CALLING 5 1 1. &&
— Doug Kammerer (@dougkammerer) March 20, 2018
NEW/BREAKING: Washington’s biggest snowstorm of the winter likely Wednesday, starting before dawn, winter storm warning issued for entire region. Details: https://t.co/NJjdPJyEfZ
— Capital Weather Gang (@capitalweather) March 20, 2018