Pennsylvania Moderate Dense Fog Advisory | Effective 08/18/2026 01:52

Headline: 
Dense Fog Advisory issued August 18 at 4:52AM EDT until August 18 at 9:00AM EDT by NWS State College PA
Event: 
Dense Fog Advisory
Urgency: 
Expected
Effective: 
August 18, 2026 - 1:52am
Expires: 
August 18, 2026 - 6:00am
Description: 
* WHAT...Visibility one quarter mile or less in dense fog. * WHERE...Elk, McKean, and Warren Counties. * WHEN...Until 9 AM EDT this morning. * IMPACTS...Low visibility could make driving conditions hazardous.
Instruction: 
Consider allowing extra time to reach your destination. If driving, slow down, use your low-beam headlights, and leave plenty of distance ahead of you. The latest forecast information can be found on the NWS State College Facebook page and X @NWSStateCollege, or on the web at weather.gov/ctp.
Area Description: 
Warren; McKean; Elk
Forcast Office: 
NWS State College PA
Sender: 
w-nws.webmaster@noaa.gov