National Weather Service has issued a WINTER STORM WARNING IN EFFECT FROM 7 AM TO 7 PM SUNDAY.. Heavy snow possible with total snow accumulations up to around 4 to 6 inches possible for portions of western Maryland, northwest Virginia, and panhandle West Virginia from late Saturday night through Sunday afternoon. Plan on slippery road conditions. The hazardous conditions could impact travel. 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.