Dense Fog Advisory 03/06/2026 04:15 Maryland, Virginia

Headline: 
Dense Fog Advisory issued March 6 at 7:15AM EST until March 6 at 10:00AM EST by NWS Baltimore MD/Washington DC
Event: 
Dense Fog Advisory
Urgency: 
Expected
Effective: 
March 6, 2026 - 4:15am
Expires: 
March 6, 2026 - 7:00am
Description: 
* WHAT...Visibility one quarter mile or less in dense fog. * WHERE...Portions of central, north central, and northern Maryland and central, northern, and northwest Virginia. * WHEN...Until 10 AM EST 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: 
Frederick; Carroll; Northern Baltimore; Southern Baltimore; Northwest Montgomery; Central and Southeast Montgomery; Northwest Howard; Central and Southeast Howard; Greene; Madison; Rappahannock; Orange; Culpeper; Fairfax; Northern Fauquier; Southern Fauquier; Western Loudoun; Eastern Loudoun; Northwest Prince William; Central and Southeast Prince William/Manassas/Manassas Park
Forcast Office: 
NWS Baltimore MD/Washington DC
Sender: 
w-nws.webmaster@noaa.gov