...WINTER STORM WARNING IS CANCELLED... * WHAT...Mixed precipitation. Additional snow and sleet accumulations of up to one inch and ice accumulations of up to one tenth of an inch. * WHERE...The District of Columbia, portions of central and western Maryland, central, northern, and western Virginia and eastern West Virginia. * WHEN...Until 6 AM EST Friday. * IMPACTS...Plan on slippery road conditions. The hazardous conditions could impact the evening commute. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. When venturing outside, watch your first few steps taken on steps, sidewalks, and driveways, which could be icy and slippery, increasing your risk of a fall and injury.