Severe Thunderstorm Watch issued for Fairfax County into the evening

Updated at 4:25 p.m. — A Severe Thunderstorm Warning has now been issued for Fairfax County. In effect until 5 p.m., storms are moving east at 15 miles per hour with 60 mile-per-hour wind gusts that could bring down trees and large branches, potentially leading to power outages.

Earlier: While the Reston area largely got through last night’s thunderstorm unscathed, Fairfax County is already bracing for another potentially damaging storm.

The National Weather Service has put the entire D.C. region under a Severe Thunderstorm Watch until 9 p.m., warning of the potential for hail and damaging winds similar to the blasts that disrupted travel and power in the Vienna and Falls Church area yesterday (Tuesday).

A Severe Thunderstorm Watch has been issued until 9 PM this evening for all areas east of the Allegheny Front. Damaging winds and large hail will be the primary threat for these storms. pic.twitter.com/CXqq3C1nP4

— NWS Baltimore-Washington (@NWS_BaltWash) August 11, 2021

[8/11 at 2:15 PM] ⚠️A Severe Thunderstorm Watch is in effect until 9 PM tonight. Potential hazards from these storms include: damaging wind gusts, hail, lightning, and isolated flash flooding. Be prepared to move indoors and know what to do if a warning is issued. #VaWx #BeReady pic.twitter.com/4nGV078aXl

— Ready Fairfax (@ReadyFairfax) August 11, 2021

In addition, a Heat Advisory will remain in effect until 8 p.m. today with an Excessive Heat Watch scheduled to begin at noon tomorrow (Thursday), when the heat index could reach up to 105 degrees Fahrenheit.