The National Weather Service in Washington DC has issued a detailed forecast, including a hazardous weather outlook, for the region encompassing the Maryland portion of the Chesapeake Bay, the Tidal Potomac River, and the I-95 corridor through central Maryland, northern Virginia, and the District of Columbia. The forecast for today predicts showers and possibly a thunderstorm with a high near 80 degrees. An east wind of 10 to 13 mph will persist, with gusts as high as 20 mph, while the chance of precipitation stands at 70%. According to the NWS, "New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms."
Tonight, the NWS forecasts scattered showers and thunderstorms, intensifying to possible thunderstorms after 11 pm with continued high humidity and another 80% chance of precipitation. An east wind around 11 mph, reaching gusts up to 20 mph, could bring new rainfall amounts between a half and three quarters of an inch. The region is also closely monitoring the potential impacts of the remnants of tropical cyclone Debby that are set to quickly move across the area through Friday night. Instances of flooding, high wind speeds, and potential for a brief tornado could be a part of this weather event, especially south of Washington, DC.
Looking ahead to Friday, showers and a possible thunderstorm are also highly probable, with an estimated chance of 90%. The high for the day is predicted to be near 83 degrees Fahrenheit with a southeast wind of 15 to 17 mph, gusting as high as 31 mph. The National Weather Service cautions that "New rainfall amounts between three quarters and one inch possible." A hazardous weather outlook warns of isolated to scattered instances of flooding through tonight, particularly in areas hit by stronger thunderstorms.
