Maryland, Virginia, West Virginia Moderate Dense Fog Advisory | Effective 08/15/2026 05:57

Headline: 
Dense Fog Advisory issued August 15 at 8:57AM EDT until August 15 at 10:00AM EDT by NWS Baltimore MD/Washington DC
Event: 
Dense Fog Advisory
Urgency: 
Expected
Effective: 
August 15, 2026 - 5:57am
Expires: 
August 15, 2026 - 7:00am
Description: 
* WHAT...Visibility as low as one quarter mile in dense fog. * WHERE...In Maryland, Central and Eastern Allegany, Eastern Garrett, Extreme Western Allegany, and Western Garrett Counties. In Virginia, Frederick County. In West Virginia, Eastern Mineral, Hampshire, and Western Mineral Counties. * WHEN...Until 10 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: 
Extreme Western Allegany; Central and Eastern Allegany; Western Garrett; Eastern Garrett; Frederick; Hampshire; Western Mineral; Eastern Mineral
Forcast Office: 
NWS Baltimore MD/Washington DC
Sender: 
w-nws.webmaster@noaa.gov