A flash flood watch is in effect from noon until late Friday night for the WTOP listening area.
“We’ve had so much rain this week that any locally heavy rain could cause some flash flooding issues, so be extra careful if you’re driving after the sun goes down tonight for any high or fast moving water,” NBC Washington meteorologist Chuck Bell said.
There is a 70% chance for rain storms on Friday night. The growing amount of storms in the area caused the National Weather Service to issue a flash flood warning for northeastern Anne Arundel County. It was cancelled and changed to an areal flood warning until 3:30 a.m. Saturday.
An areal flood warning was also issued for the east-central parts of Prince Georges County, Maryland until 4:15 a.m. Saturday. NBC Washington meteorologist Steve Prinzivalli said Friday storms added up two inches in the area.
Bell said the rest of the weekend should be nice other than a possible pop-up shower Saturday, though it will be hot and humid.
Sunday and Monday are expected to be dry.
Thursday night rain storms prompted a string of flash flood warnings and a flash flood emergency for parts of Loudoun County. Those warnings ended early Friday, but not before causing problems.
The area near and north of Leesburg, Virginia, was hit hardest.
WTOP’s Kyle Cooper said roads in Purcellville were severely flooded as a result of the storms.
Limestone Branch in Leesburg rose 11 feet in a short period of time and went into major flood stage, Storm Team4 meteorologist Mike Stinneford said.
Heavy rains continue in parts of #Loudoun. Here are a few photos from Greenwood Dr & Rt. 719 in Round Hill where the roadway has become flooded. Please remember, if you come across a roadway that is flooded, never attempt to drive or walk through the water. #TurnAroundDontDrown pic.twitter.com/TNUpsElAV8
— Loudoun Co. Sheriff (@LoudounSheriff) August 7, 2020
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Friday: Scattered storms and thunderstorms by evening. Highs: low to mid-80s.
Friday night: 70% chance of rain. Low of 66.
Saturday: Pop-up showers. Partly sunny and humid, with 30% chance of late-day scattered storms. Highs: mid-80s.
Sunday: Mostly sunny, hot and humid. High of 90.
Monday: Sunny. Heat index approaching 98.