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Hotter and humid DC-area weather will make way for a stormy Sunday

Saturday was warmer and increasingly humid across the D.C. area ahead of Sunday storms that will put “most of the Mid-Atlantic in the wet and stormy side of the system,” 7News First Alert Meteorologist Mark Peña said.

An active weather pattern returns Sunday as a slow-moving cold front and low pressure approach the region, according to the National Weather Service. Showers and thunderstorms will become more numerous during the afternoon and evening.

“Heavy thunderstorms with torrential downpours will be the primary threat for most of the D.C. area with flash flooding threats increasing where the heaviest downpours develop,” Peña said.

Monday may bring the most widespread rain and thunderstorms of the week as low pressure and several fronts move through the region. Skies will remain mostly cloudy, with gusty winds, frequent lightning and isolated flash flooding possible. Highs will be in the mid-80s.

The active pattern continues Tuesday, with scattered afternoon showers and thunderstorms possible. Warm, humid conditions will persist, with highs in the mid- to upper 80s.

The National Weather Service said daily chances for showers and thunderstorms could persist through much of next week as hot and humid conditions continue.



FORECAST

SUNDAY: PM showers, storms. Highs between 82 and 87.
Winds: South 10-20 mph

MONDAY: Cloudy, with areas of rain. Highs: Around 85.
Winds: South 5-10 mph

TUESDAY: Mostly cloudy, storm chance. Highs between 83 and 88.
Winds: Southeast 5-10 mph

WEDNESDAY: Partly cloudy, storm chance. Highs between 85 and 90.
Winds: South 5-10 mph

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Hot, humid week ahead for DC area with severe storm risk

A dangerous heat wave will grip the D.C. area through Thursday, with highs in the mid to upper 90s and heat index values between 100 and 105. Hot and humid conditions are expected through Thursday, according to the National Weather Service, which said to expect daily thunderstorm chances and a risk of severe thunderstorms. 7News Meteorologist Eileen Whelan told WTOP that most of Tuesday will stay dry, but a few late-day thunderstorms are possible, especially north and east of D.C. as storms drift south from Pennsylvania. Any storm could produce damaging wind gusts and hail, but Whelan reiterated "storm chances are low" on Tuesday. Due to a lack of air conditioning, Parkdale High School in Riverdale, Maryland, closed early at 10:30 a.m. on Tuesday, Prince George's County Public Schools said in a social media post.
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