What to Know
Scattered thunderstorms could bring heavy rain, lightning, strong winds and hail.
The D.C. area is under a severe thunderstorm watch until 11 p.m. and a flash flood watch until 1 a.m.
Flood concerns continue through the week, with more rain expected every day into the weekend.
Severe thunderstorms in D.C. and neighboring areas brought heavy rain, lightning, strong winds, hail and flooding.
Emergency crews have responded to more than a dozen 911 calls for water rescues, the National Weather Service said.
Parts of Frederick County are under a flash flood warning until 11:45 p.m. Several streets in the county were flooded with water that reached the top of cars' tires.
As much as 1-3 inches of rain is possible in places, with Loudoun, Montgomery, Frederick and Howard counties likely to get hit hardest. It's unclear how far south the storms will drop.
Severe thunderstorm watches took effect for D.C., Falls Church, Alexandria and Fairfax and Prince George's counties, and Anne Arundel, Frederick and Carroll counties are under a flood warning.
Storm Team4 has declared Tuesday a Weather Alert Day.
Anne Arundel, Carroll, Frederick, Howard and Montgomery counties are among those under a flood warning.
Flood concerns continue through the week, with more rain expected Wednesday. Then a tropical system giving Florida a lot of rain is expected to move into the area Thursday heading into Friday.
On Monday, a series of storms downed power lines, grounded flights and sparked at least two fires.
Lightning struck two homes about two miles apart in Takoma, causing them to catch fire, Montgomery County Fire said. More than 100 firefighters responded. No one was reported injured.
A tree branch impaled the windshield of one car as it traveled down Route 7 in Vienna, Virginia, injuring the driver. In Northeast D.C., a large tree fell onto a car, crushing the hood.
Authorities throughout the D.C. area cautioned residents to avoid downed power lines.
More than 35,000 Northern Virginians lost power. More than 1,000 people lost power in Montgomery and Prince George's counties.
Service has been restored to many of those people, but more than 7,700 Dominion Virginia customers in Northern Virginia were still without power shortly before 8 a.m. Tuesday.
Up to two inches of rain fell, the National Weather Service said.
Schools in Spotsylvania County are closed Tuesday due to the weather. In Page County, schools were set to open two hours late.
Planes were temporarily grounded at Ronald Reagan Washington National Airport and Washington Dulles International Airport. At Dulles, officials told passengers to stay away from windows.
Near Dulles airport at about 6:30 p.m., hail and heavy rain were falling, and winds were heavy, News4's David Culver reported.
This persistent pattern of rain will stick with us through the weekend. There will be shower in the forecast every day.
Temperatures will reach the 90s Tuesday with high humidity. Expect highs in the lower 80s Wednesday. By Thursday, the temperature will drop to the upper 70s.