Update at 9:55 p.m. — The warning has been cancelled.
Earlier: Portions of Arlington County are under a Severe Thunderstorm Warning until 10 p.m.
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Weather
With dangerous, scorching heat prompting warnings from forecasters and local officials, organizers of outdoor events are reconsidering their plans this weekend.
Among them: the popular, annual Crystal City Twilighter 5K race.
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(Updated at 1:10 p.m.) Arlington County — and much of the surrounding area — is under an Excessive Heat Warning today and Saturday, and an Excessive Heat Watch on Sunday.
Sweltering temperatures and high humidity will result in dangerous conditions for anyone spending time outside, forecasters say.
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Update at 10:40 p.m. — There are still 664 Dominion customers without power across various parts of Arlington, according to the power company.
Update at 6:05 p.m. — About 700 Dominion customers are reported to be without power in Arlington, mostly in residential north Arlington, following the storms. Nearly 35,000 are reported to be without power in Fairfax County, including in the McLean area.
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(Updated at 10:45 a.m.) Arlington County and surrounding areas are under a Heat Advisory for much of Wednesday.
Forecasters say the heat index could hit 105 degrees, signalling dangerous conditions for anyone spending time outdoors.
This week’s devastating flash floods may be evidence of a bigger weather pattern shift, some experts say.
The storm that pummeled the Arlington dumped 3.3 inches of rain in one hour Monday morning, breaking the regional record. Some experts say this is part of a larger pattern of wetter weather — and possibly climate change.
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(Updated at 1:45 p.m.) As Arlington continues to recover from Monday’s flash flooding, another Flash Flood Watch has been issued.
The National Weather Service says more heavy rain and flooding is possible today, in addition to storms and damaging winds. The watch takes effect starting at 2 p.m.
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Update at 5:25 p.m. — It’s “too early to tell” whether a disaster declaration will be made due to the extensive damage from today’s flooding, an Arlington County spokeswoman tells ARLnow.com.
Per Arlington’s Office of Emergency Management:
It’s shaping up to be a wet Sunday night.
Arlington County and surrounding areas are under a Flash Flood Watch starting at 6 p.m. Slow-moving rainstorms are expected to drop copious amounts of precipitation on much of the region, particularly to the west of D.C.
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Update at 9:40 p.m. — The Arlington County Fire Department responded to at least two reports of house fires caused by lightning strikes. The number of outages in Arlington reported by Dominion is now 966.
#FinalUpdate: 2200 blk Military Rd. Fire in attic from possible lightning strike. Fire is extinguished. No injuries. Units going in service. Fire Marshal on scene to investigate. pic.twitter.com/X1AZTBC5d3
It’s going to be hot and humid today, and potentially hazardous for certain people, according to an air quality alert issued by the Metropolitan Washington Council of Governments.
Children and adults with respiratory and heart ailments should limit their time outside today, MWCOG said in issuing a “Code Orange” alert for the region.
Arlington is again under a Severe Thunderstorm Watch tonight.
The watch, which goes until 10 p.m., is in addition to a separate Flash Flood Watch through 11 p.m.