Het weer voor Great Falls Estate Dam

Winter Storm Warning issued January 4 at 10:50PM EST until January 7 at 1:00AM EST by NWS Baltimore MD/Washington DC* WHAT...Heavy mixed precipitation expected. Total snow and sleetaccumulations between 5 and 9 inches, with amounts of 10 to 12inches possible in isolated spots if heavy banding sets up in thisarea. Ice accumulations of a trace possible near Interstate 66.* WHERE...DC, and portions of central Maryland, and northernVirginia.* WHEN...From 10 PM Sunday to 1 AM EST Tuesday. Highest snowfallrates occur overnight Sunday into early Monday morning. Snow maymix with sleet and perhaps some freezing rain Monday morning intothe afternoon, especially right along the Interstate 66 corridor.A lull in precipitation will occur sometime during the afternoon.* IMPACTS...Roads, and especially bridges and overpasses, willlikely become slick and hazardous. Travel could be very difficult.The hazardous conditions could impact the Monday morning andevening commutes.* ADDITIONAL DETAILS...A second round of heavy snow is possibleMonday evening before precipitation ends.If you must travel, keep an extra flashlight, food, and water inyour vehicle in case of an emergency. The latest road conditions forthe state you are calling from can be obtained by calling 5 1 1.Persons should consider delaying all travel. If travel is absolutelynecessary, drive with extreme caution. Consider taking a winterstorm kit along with you, including such items as tire chains,booster cables, flashlight, shovel, blankets and extra clothing.Also take water, a first aid kit, and anything else that would helpyou survive in case you become stranded.

National Weather Service