WASHINGTON, D.C. — A developing Sunday storm system is keeping forecasters on edge across the nation’s capital, as computer models remain divided on whether the northern fringe of the system reaches far enough north to significantly impact the D.C. metro area. The low-pressure center is expected to pass south of the region, leaving Washington in a narrow zone where small shifts could determine whether the day brings steady rain, a brief wintry mix, or little precipitation at all.
The forecast remains highly conditional as meteorologists analyze updated model runs heading into the weekend.
Timing Window for Precipitation
Current projections show the most likely window for precipitation in the Washington, D.C. area between 10 a.m. Sunday and 4 a.m. Monday. However, not all model guidance agrees on how widespread or intense that precipitation will be.
Some solutions indicate the storm’s moisture shield may stay suppressed to the south, brushing only southern portions of the region. Others allow the northern edge of moderate precipitation to expand farther north, potentially covering much of the metro area for several hours…