Maryland, Virginia, West Virginia Moderate Dense Fog Advisory | Effective 08/15/2026 01:11

Headline: 
Dense Fog Advisory issued August 15 at 4:11AM EDT until August 15 at 9:00AM EDT by NWS Baltimore MD/Washington DC
Event: 
Dense Fog Advisory
Urgency: 
Expected
Effective: 
August 15, 2026 - 1:11am
Expires: 
August 15, 2026 - 6:00am
Description: 
* WHAT...Visibility one quarter mile or less in dense fog. * WHERE...Portions of north central Maryland, northwest Virginia, and eastern West Virginia. * WHEN...Until 9 AM EDT this morning. * IMPACTS...Low visibility could make driving conditions hazardous.
Instruction: 
If driving, slow down, use your headlights, and leave plenty of distance ahead of you.
Area Description: 
Washington; Shenandoah; Frederick; Page; Warren; Clarke; Morgan; Berkeley; Jefferson; Hardy; Eastern Grant
Forcast Office: 
NWS Baltimore MD/Washington DC
Sender: 
w-nws.webmaster@noaa.gov