Maryland, Virginia Severe Severe Thunderstorm Warning | Effective 08/10/2026 12:15

Headline: 
Severe Thunderstorm Warning issued August 10 at 3:15PM EDT until August 10 at 4:15PM EDT by NWS Baltimore MD/Washington DC
Event: 
Severe Thunderstorm Warning
Urgency: 
Immediate
Effective: 
August 10, 2026 - 12:15pm
Expires: 
August 10, 2026 - 1:15pm
Description: 
SVRLWX The National Weather Service in Sterling Virginia has issued a * Severe Thunderstorm Warning for... Northwestern Montgomery County in central Maryland... Southern Frederick County in north central Maryland... Loudoun County in northern Virginia... * Until 415 PM EDT. * At 315 PM EDT, severe thunderstorms were located along a line extending from near Brunswick to near Purcellville to near Bluemont, moving east at 25 mph. HAZARD...60 mph wind gusts and quarter size hail. SOURCE...Radar indicated. IMPACT...Damaging winds will cause some trees and large branches to fall. This could injure those outdoors, as well as damage homes and vehicles. Roadways may become blocked by downed trees. Localized power outages are possible. Unsecured light objects may become projectiles. * Locations impacted include... Germantown, Leesburg, Damascus, Broadlands, Lansdowne, Lowes Island, Brambleton, Poolesville, Ashburn, Sterling, Ballenger Creek, Great Falls, Countryside, Mount Airy, Purcellville, Brunswick, Round Hill, Oatlands, Green Valley, and Boyds.
Instruction: 
For your protection move to an interior room on the lowest floor of a building.
Area Description: 
Frederick, MD; Montgomery, MD; Loudoun, VA
Forcast Office: 
NWS Baltimore MD/Washington DC
Sender: 
w-nws.webmaster@noaa.gov