A Dense Fog Advisory is in effect for Fairfax County and the surrounding areas tonight.
The National Weather Service’s advisory is in effect until midnight.
More from NWS:
…DENSE FOG ADVISORY IN EFFECT UNTIL MIDNIGHT EST TONIGHT…
* WHAT…Areas of dense fog with visibility around one-quarter
* WHERE…The Washington and Baltimore Metropolitan areas, central
Maryland, northern Virginia, portions of central Virginia and
eastern West Virginia.
* WHEN…Until midnight EST tonight.
* IMPACTS…Hazardous driving conditions due to low visibility.
If driving, slow down, use your headlights, and leave plenty of
distance ahead of you.