Maryland, Virginia Severe Severe Thunderstorm Warning | Effective 07/09/2026 11:13

Headline: 
Severe Thunderstorm Warning issued July 9 at 2:13PM EDT until July 9 at 2:45PM EDT by NWS Baltimore MD/Washington DC
Event: 
Severe Thunderstorm Warning
Urgency: 
Immediate
Effective: 
July 9, 2026 - 11:13am
Expires: 
July 9, 2026 - 11:45am
Description: 
SVRLWX The National Weather Service in Sterling Virginia has issued a * Severe Thunderstorm Warning for... Southwestern Carroll County in north central Maryland... Northwestern Howard County in central Maryland... Central Montgomery County in central Maryland... Southeastern Frederick County in north central Maryland... Central Loudoun County in northern Virginia... Northern Fairfax County in northern Virginia... * Until 245 PM EDT. * At 213 PM EDT, severe thunderstorms were located along a line extending from near Linganore-Bartonsville to near Point Of Rocks to 6 miles north of Poolesville to near Leesburg to Purcellville, 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, Rockville, Gaithersburg, Leesburg, Olney, Damascus, Lansdowne, Lowes Island, Poolesville, Ashburn, Montgomery Village, North Potomac, Redland, Countryside, Purcellville, Round Hill, Boyds, Green Valley, Clarksburg, and Darnestown.
Instruction: 
For your protection move to an interior room on the lowest floor of a building. Large hail, damaging wind, and continuous cloud to ground lightning are occurring with these storms. Move indoors immediately. Lightning is one of nature's leading killers. Remember, if you can hear thunder, you are close enough to be struck by lightning. Torrential rainfall is occurring with these storms, and may lead to flash flooding. Do not drive your vehicle through flooded roadways.
Area Description: 
Carroll, MD; Frederick, MD; Howard, MD; Montgomery, MD; Fairfax, VA; Loudoun, VA
Forcast Office: 
NWS Baltimore MD/Washington DC