Weather

DEVELOPING: Severe Thunderstorm Warning issued as line of strong storms arrives

By ARLnow.com
Storm arriving on radar as of 5:35 p.m.

Update at 6:20 p.m. — It appears that Arlington has been spared significant damage, at least from the first wave of storms. While rain and lightning are continuing, few power outages have been reported here so far. Fairfax County saw some bigger impacts, however, with Dominion reporting nearly 15,000 customers without power there. Additional storms are possible later tonight and a Tornado Watch remains in effect until 9 p.m.

Earlier: The storms that you’ve been hearing about all day are almost here.

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JUST IN: Tornado Watch issued for Arlington amid significant severe weather threat

By ARLnow.com
An ominous storm cloud over Arlington in July 2023 (Flickr pool photo by John Sonderman)

(Updated at 3 p.m.) A widespread outbreak of severe weather is expected this evening, prompting a Tornado Watch for Arlington and much of the region.

Forecasters say the threats include “damaging and locally destructive hurricane-force winds, along with the potential for large hail and tornadoes, even strong tornadoes.”

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NEW: Flood Watch issued for Sunday night, ‘serious’ weather threat on Monday

By ARLnow.com
Thunderstorms and heavy rain in Westover in 2021 (staff photo by Jay Westcott)

Get ready for some wild weather over the next day and a half.

First up are some storms tonight (Sunday) that are likely to be packing torrential rainfall. The heavy rain could cause flash flooding, prompting a Flood Watch to be issued this afternoon, taking effect at 8 p.m.

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UPDATED: Severe Thunderstorm Warning issued for Arlington

By ARLnow.com
Storm clouds to the west, seen from N. Glebe Road (staff photo)

(Update at 4:40 p.m.) All of Arlington is now under a Severe Thunderstorm Warning.

More such warnings are likely as a line of strong storms approach from the west. Forecasters say the storms are packing very high winds, likely to cause damage and power outages.

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JUST IN: Severe Thunderstorm Warning issued for parts of Arlington

By ARLnow.com
Lightning over Cherrydale (photo courtesy Kennedy Combs)

A strong storm is approaching Arlington from the west, prompting a Severe Thunderstorm Warning.

Fueled by today’s heat and humidity, the storms are packing potentially damaging winds, torrential rain and lightning. The current warning covers most of Arlington County, except the northernmost portion, through 7:30 p.m.

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UPDATE: Heat Advisory issued for Thursday, Excessive Heat Watch for Friday

By ARLnow.com
The sun during a heat advisory (file photo)

(Updated at 2:10 p.m.) Get ready for three days of sweltering weather.

Ahead of high temperatures in the upper 90s — perhaps rising into the triple digits — paired with high humidity, the National Weather Service has issued a Heat Advisory for Thursday and a watch for Friday.

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Severe Thunderstorm Watch, Flood Watch issued for Arlington and D.C.

By ARLnow.com
Storm clouds over Rosslyn (staff photo by Jay Westcott)

(Updated at 12:50 p.m.) Arlington, D.C. and other parts of the region are now under both a Severe Thunderstorm Watch and a Flood Watch

The D.C. area is on the southern end of the Severe Thunderstorm Watch area, which runs up the East Coast and includes Philadelphia, New York City, and much of Connecticut. That watch is in effect until 8 p.m.

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Arlington’s air quality has reached Code Red levels again due to Canadian wildfire smoke

By ARLnow.com
Air Quality Index reading as of 3 p.m. (via AirNow.gov)

The air quality in Arlington County has crossed into “Code Red” levels.

The county’s Air Quality Index (AQI), according to the federal government’s AirNow.gov website, was 151 as of 3 p.m., just past the 150 threshold for Code Red. That comes as a new round of Canadian wildfire smoke wafts into the area.

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Nighttime storm potential prompts Flood Watch

By ARLnow.com
Storms bring heavy rain, wind and flooding at night (file photo)

The possibility of a succession of storms tonight packing heavy rain has prompted a Flood Watch from the National Weather Service.

The watch is in effect until 4 a.m. for Arlington, the District and much of the Washington region. Forecasters say flash flooding may occur during prolonged downpours.

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JUST IN: Severe Thunderstorm Warning issued for portion of Arlington

By ARLnow.com
Radar as of 5:30 p.m.

Updated at 6:35 p.m. — The Severe Thunderstorm Warning has been extended to southern portions of the county.

Severe Thunderstorm Warning including Washington DC, Reagan National Airport VA and Landover MD until 7:15 PM EDT pic.twitter.com/iQQU9OrA6d

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