“DC Weather Alert: Major Weekend Snowstorm Looms—Updated Forecast & Travel Impacts Revealed”

Bitter Arctic air is pouring into Washington DC Friday night, sending wind-chill values as low as -10 °F and setting the stage for a high-impact weekend storm. The National Weather Service has issued a cold-weather advisory through 10 a.m. Saturday, followed by a region-wide winter-storm watch from Saturday evening until early Monday as a moisture-packed system barrels in from the west. Forecast models agree that steadier snow will break out after sunset Saturday, quickly intensifying overnight. Current guidance points to at least 6 inches across the District, with pockets well north and west of the Beltway flirting with a foot if the precipitation stays all snow. A stubborn layer of sub-freezing air near the surface means flakes will be light and powdery—perfect for fast accumulations and drifting in 20-mph north winds. The wild card arrives Sunday afternoon when slightly warmer air at 5,000 feet tries to nose into the I-95 corridor. If it succeeds, snow could switch to sleet or a glaze of freezing rain, especially south of U.S. 50. Even a tenth of an inch of ice would add weight to tree limbs and raise the risk of power outages. Wherever mixing occurs, final snowfall may be shaved by several inches; where it does not, totals could spike. Local and state officials are treating the setup as a major snow event. Virginia’s governor has declared a state of emergency, Maryland is in a state of preparedness, and DC’s Snow Team is pre-treating roads and staging hundreds of plows. Residents are urged to finish grocery runs and secure flashlights, batteries, and blankets before flakes fly. Hypothermia is a real concern: daytime highs will hover near 20 °F on Saturday and stay below freezing well into next week. Travel impacts: • Roads: Conditions deteriorate rapidly Saturday night; delay non-essential trips until Monday afternoon. • Airports: Expect cascading delays from de-icing and runway closures. • Metro: Reduced above-ground service is possible; check alerts before leaving home. Bottom line: A prolonged period of dangerous cold coupled with heavy snow—and potentially damaging ice—will grip the DC area from Saturday evening through early Monday. Keep devices charged, bundle up in layers, and stay tuned to updated Washington DC weather alerts for the latest track changes and snowfall projections.