Maryland could face severe thunderstorms, damaging winds and flash flooding Sunday as a storm system moves across the region, according to the National Weather Service.
Showers could begin as early as Sunday morning before the threat of stronger thunderstorms increases during the afternoon and evening.
The National Weather Service said some storms could produce damaging wind gusts of 50 to 65 mph, while atmospheric conditions could also support a few tornadoes.
Heavy rain will be another concern. Forecasters said storms could repeatedly move over the same areas, increasing the potential for flash flooding, particularly in places that have recently received heavy rain and in urban or poor-drainage areas.
Western Maryland could see a flooding threat as early as the predawn hours Sunday, with the risk shifting east of the Blue Ridge later in the day.
Storms could linger into Monday in southern Maryland depending on how quickly the front moves through, forecasters said.
Some showers and thunderstorms could linger Monday, although forecasters expect a lower risk of severe weather and flooding. Drier air should arrive behind the front by Tuesday, bringing lower humidity and a break from rain through the middle of the week.
Saturday Night: Increasing clouds, with a low around 71. East wind around 5 mph becoming calm in the evening.
Sunday: Showers and possibly a thunderstorm, mainly before 5pm, then a chance of showers and thunderstorms after 5pm. High near 82. South wind 5 to 10 mph, with gusts as high as 23 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.
Sunday Night: Showers and thunderstorms likely before 2am, then a chance of showers. Mostly cloudy, with a low around 71. South wind 5 to 9 mph becoming southwest after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Monday: A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 89. Heat index values as high as 100. Northwest wind 5 to 9 mph. Chance of precipitation is 20%.
Monday Night: Mostly clear, with a low around 70. Northwest wind 3 to 5 mph.
Tuesday: Sunny, with a high near 87.
Tuesday Night: Mostly clear, with a low around 68.
Wednesday: Sunny, with a high near 89.
Wednesday Night: A slight chance of showers and thunderstorms, then a chance of showers after 2am. Partly cloudy, with a low around 71. Chance of precipitation is 30%.
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