* WHAT...Heavy snow expected. Total snow accumulations between 6 and 18 inches. Winds gusting as high as 35 mph. * WHERE...Red Dog Mine and the South Slopes of the Western Brooks Range. * WHEN...From 10 AM this morning to 4 PM AKDT Thursday. * IMPACTS...Travel could be very difficult. Areas of blowing snow could significantly reduce visibility. * ADDITIONAL DETAILS...Mostly rain is expected below 800 feet. The heaviest precipitation is expected Tuesday and Wednesday. Some rain is possible near Red Dog Mine Tuesday. The heaviest snow is expected Wednesday. Temperatures cool Wednesday into Thursday. If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency.