Cold air is in place, and the stage is set for a moderate to major snowstorm for the D.C. metro region: 3-6 inches of snow, conservatively, falls tonight across the region – starting between 7 and 10 p.m. By Thursday morning, snow begins to mix with and change to sleet and freezing rain (or plain rain towards southern Maryland) from east to west. Locations in western Fairfax and Montgomery counties and farther west likely see less mixing, and may remain mostly snow. During the afternoon Thursday, locations getting mixed precipitation are likely to change back to snow from west to east, with precipitation tapering off towards early evening.
Total snowfall accumulations are likely to be 5-10 inches in the immediate metro region, with up to 8-14 inches in the colder suburbs west of the city (per our accumulation map). In southern Maryland and towards the Chesapeake Bay, lesser amounts of 2-6 inches are most likely.
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