The National Weather Service has a Heat Advisory in effect for Fairfax County and surrounding areas for much of today (Wednesday).
The advisory will last from 11 a.m.-8 p.m. with heat index values set to hit 110 degrees.
More from NWS:
…HEAT ADVISORY REMAINS IN EFFECT FROM 11 AM THIS MORNING TO 8 PM EDT THIS EVENING…
* HEAT INDEX VALUES…105 to 110 due to temperatures in the mid 90s, and dewpoints in the lower 70s.
* IMPACTS…The heat and humidity may cause heat stress during outdoor exertion or extended exposure.
A Heat Advisory means that a period of high temperatures is expected. The combination of high temperatures and high humidity will create a situation in which heat illnesses are possible.
Take extra precautions if you work or spend time outside. When possible, reschedule strenuous activities to early morning or evening. Know the signs and symptoms of heat exhaustion and heat stroke. Wear light weight and loose fitting clothing when possible and drink plenty of water.
A Heat Advisory has been issued for counties along/east of the I-95 corridor, including DC and Baltimore. Heat index values are expected to reach 105 degrees for areas in the advisory. #DCwx #MDwx #VAwx #WVwx pic.twitter.com/unclowshfB
— NWS DC/Baltimore (@NWS_BaltWash) July 17, 2019