wweather1
wweather1 wweather1
HomeWeather news → Severe Thunderstorm Watch Issued for Washington D.C., Maryland, and Virginia
🌀 Storm United States

Severe Thunderstorm Watch Issued for Washington D.C., Maryland, and Virginia

August 17, 2026 · wweather1 editorial · 2 min read

The National Weather Service has issued a Severe Thunderstorm Watch for the District of Columbia, alongside portions of Maryland and Virginia, remaining in effect until 11:00 PM EDT on August 16.

The National Weather Service office for Baltimore MD/Washington DC issued Severe Thunderstorm Watch 588 at 8:11 PM EDT on August 16. The alert is categorized as high severity and is scheduled to remain valid until 11:00 PM EDT.

In Maryland, the watch covers six counties in the central, north central, and southern regions of the state. The specified areas include Carroll, Charles, Frederick, Howard, Montgomery, and Prince Georges counties.

In Virginia, the advisory encompasses sixteen counties and independent cities. Affected areas include Arlington, Culpeper, Fairfax, Fauquier, King George, Loudoun, Orange, Prince William, Spotsylvania, and Stafford counties, alongside the cities of Alexandria, Fairfax, Falls Church, Fredericksburg, Manassas, and Manassas Park. The District of Columbia is also fully included.

The watch area covers numerous local municipalities and key locations, including Dulles International Airport, Historic Ellicott City, Bethesda, Bowie, College Park, Columbia, Frederick, Fredericksburg, Gaithersburg, Germantown, Greenbelt, Leesburg, Manassas, and McLean.

Why it is dangerous and what to do

⚠️ Safety
• Monitor local weather broadcasts and official alerts for rapid updates.
• Prepare to move indoors if strong winds, lightning, or severe weather approaches.
• Charge mobile devices and keep flashlights accessible in case of power outages.
• Secure loose outdoor furniture and items that could be damaged by heavy wind.
📊 The numbers, from wweather1 data
Washington D.C.: now +24°, Overcast.
That is 4° below the August climate norm.
The record for this date is +37° (1997).
Three-day forecast: 17 August: +32°/+24° · 18 August: +31°/+22° · 19 August: +34°/+23°
The figures are computed automatically from the Open-Meteo/ERA5 archive — no eyeball estimates.

🌍 Weather in nearby cities

📰 Data source: NWS. Forecast and analysis — wweather1, based on Open-Meteo / met.no data.

Other weather news