The National Weather Service's Sterling office has issued a severe thunderstorm warning for northwestern Culpeper County, Rappahannock County and central Fauquier County until 5 p.m. today

At 4:19 p.m., severe thunderstorms were located along a line extending from 12 miles east of Luray to near Sperryville to 11 miles northwest of Culpeper, moving east at 25 mph.

Radar indicated 60-mph wind gusts. Damaging winds will cause some trees and large branches to fall, the Weather Service said.

"This could injure those outdoors, as well as damage homes and vehicles," the federal agency warned. "Roadways may become blocked by downed trees. Localized power outages are possible. Unsecured light objects may become projectiles."

Locations impacted include Warrenton, Sperryville, Hume, Opal, Flint Hill, Washington, Castleton, Elkwood, Catalpa, Brandy Station, Hackleys Crossroads, Amissville, Jeffersonton, Cresthill, Turnbull, Rock Mills, Cardova, Rixeyville, Alanthus and Boston.