It takes effect at 2PM Sat. ...WINTER WEATHER ADVISORY IN EFFECT FROM 2 PM SATURDAY TO MIDNIGHT EST SATURDAY NIGHT... * WHAT...Snow. Snow may mix with sleet at times. Total snow and sleet accumulations of 2 to 5 inches. * WHERE...Northern Shenandoah Valley of Virginia, eastern West Virginia, northern Maryland, and the far northern and western suburbs of Washington and Baltimore. * WHEN...From 2 pm Saturday to midnight EST Saturday night. * ADDITIONAL DETAILS...Snow will begin between 2 and 5 pm Saturday. Snow may mix with sleet at times. Precipitation will end by midnight. Roads will become snow covered and slippery. Please allow extra time to get to your destination if you must travel. Visibility below one mile is expected at times. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Winter Weather Advisory means that periods of snow and sleet will cause travel difficulties. Be prepared for slippery roads and limited visibilities, and use caution while driving. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1.
By The National Weather Service