The National Weather Service has issued A SEVERE THUNDERSTORM WATCH for the following counties or areas: Montgomery, MD; Fauquier, VA; Jefferson, WV; Frederick, MD; Clarke; Prince William, VA; Prince George's, MD; Rappahannock; Arlington; Falls Church; Fairfax (city); Warren; Manassas; Fairfax (county); Alexandria; Manassas Park; Loudoun, VA; District of Columbia, DC; Tidal Potomac from Key Bridge to Indian Head,MD, Northwest Atlantic; at 1:20 PM on AUG 7, 2026 Effective until 9:20 PM. Message from ERN/CRTV.