The Washington D.C. area is experiencing unsettled weather due to a coastal storm approaching from North Carolina, bringing heavy rain, thunderstorms, and gusty winds. Coastal alerts extend from North Carolina to Long Island, with moderate to major coastal flooding expected, especially around the southern Chesapeake Bay during high tide Tuesday night. Rainfall totals are expected to range from 0.25 to over 2 inches, with the highest amounts in southern Maryland and Virginia's Northern Neck. The storm is weakening as it moves northwest, reducing rain forecasts from earlier predictions. Today, waves of rain and thunderstorms are forecasted for Tuesday evening through early Thursday, with cooler, breezy conditions in the upper 60s to low 70s. The weather will gradually improve Thursday and Friday, with warmer temperatures reaching the upper 80s and mostly sunny skies. The weekend is expected to be pleasant with partly to mostly sunny weather and comfortable temperatures in the 70s. The storm's impacts include potential flash flooding, coastal flooding, and high surf, with heavy rain causing visibility issues and road hazards. The weather pattern is part of a broader trend of wet, cool conditions in the region, with ongoing updates from the National Weather Service and local meteorologists.