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DC under extreme heat alert Saturday as severe storms hit the region

FLASH FLOOD WARNING for Frederick, Urbana and Braddock Heights until 6:15 p.m.

TORNADO WATCH for Maryland until 9 p.m.

SEVERE THUNDERSTORM WATCH: For the area until 9 p.m.


The District is under an extreme heat alert Saturday as severe storms move through the region during the afternoon and evening hours. Those storms have produced a slew of alerts.

A Tornado Watch is in effect for Carroll, Howard, Baltimore, Anne Arundel, Harford, Cecil Calvert and adjoining Chesapeake Bay zones.

A Severe Thunderstorm Watch is in effect for the other surrounding areas.

“A line of strong to severe thunderstorms will move from west to east across our area over the next several hours,” said 杏吧原创 Meteorologist Mike Stinneford. “Storms may produce wind gusts over 70 mph, large hail and heavy rainfall.”

Heavy storms will persist later Saturday night, with storms diminishing by midnight.

D.C. Mayor Muriel Bowser issued the alert as daytime temperatures are expected to feel like 105 degrees or hotter.

The alert is through Sunday at 8 a.m. and says, “extremely hot temperatures and humidity during the day and overnight will increase the risk of heat-related illnesses. People who work or participate in outdoor activities may be at greater risk.”

The National Weather Service has issued a heat advisory for the region until 7 p.m.

Additionally, there is a code orange alert for air quality.

(Courtesy the National Weather Service)

A Flash Flood Watch is in effect for most of the region from 2 p.m. to 8 p.m., including D.C., as well as portions of Maryland, including: Anne Arundel, Carroll, Cecil, Central and Southeast Howard, Central and Southeast Montgomery, Frederick, Northern Baltimore, Northwest Harford, Northwest Howard, Northwest Montgomery, Prince Georges, Southeast Harford and Southern
Baltimore. In Virginia: Arlington, Falls Church, Alexandria, Eastern Loudoun, Fairfax and
Western Loudoun.

The National Weather Service said the severe thunderstorms are expected mostly between 2 p.m. and 8 p.m. Saturday with damaging wind gusts and large hail possible in addition to the chance of tornadoes.聽

(Courtesy NWS)

Earlier, D.C. issued an air quality alert for the entire region, saying it was unhealthy for sensitive groups.

“Poor air quality continues as wildfire smoke lingers in the area,” AccuWeather Meteorologist La Troy Thornton.

The heat and smoke are not the only weather events to be aware of Saturday.

Severe storms are expected again Saturday afternoon and evening, “some of which may turn severe, bringing down pours, damage winds, perhaps even a tornado,” Thornton said.

The high will be 89 degrees Saturday during the day with the heavy storms expected to continue past midnight with a low of 77 degrees.

Sunday will be cloudy with “some hazy sun as the wildfire smoke lingers,” Thornton said.

On Monday, there will be possible thunderstorms in the afternoon with an otherwise sunny day.

Tuesday is expected to be cloudy with a thunderstorm possible in the afternoon.



Forecast

THIS AFTERNOON: Scattered thunderstorms. Storms may produce damaging winds, large hail and tornadoes. Muggy. Highs in the low to mid 90s…Heat index as high as 105 to 110

TONIGHT: Storms diminishing by midnight. Becoming less humid overnight. Lows in the 60s to lower 70s

SUNDAY: Partly cloudy. Highs near 90

MONDAY: Partly cloudy. A chance of an afternoon thunderstorm. Highs mid to upper 80s

TUESDAY: Muggy with a chance of thunderstorms. Highs upper 80s

杏吧原创’s Will Vitka contributed to this report.

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Valerie Bonk

Valerie Bonk started working at 杏吧原创 in 2016 and has lived in Howard County, Maryland, her entire life. She's thrilled to be a reporter for 杏吧原创 telling stories on air.聽She works聽as both a television and radio reporter in the Maryland and D.C. areas.聽

Tracy Johnke

Tracy Johnke rejoined the 杏吧原创 News family in 2026 as a reporter.

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