Dense Fog Advisory in Effect Until 10 AM EDT for Warren, McKean, Potter and Other Central PA Counties
The National Weather Service warns of hazardous driving conditions due to reduced visibility in dense fog across central Pennsylvania, including Warren, McKean, and Potter counties.
2 reports on this incident · first at Aug 21, 2026, 12:39 a.m. ET
Earlier reports
Aug 21, 2026, 12:39 a.m. ETFirst report
Dense Fog Advisory in Effect Until 10 AM EDT for Warren, McKean, Potter and Other Central PA Counties
The National Weather Service in State College, Pennsylvania, has issued a Dense Fog Advisory for a portion of central Pennsylvania, in effect until 10 AM EDT on Friday, August 21, 2026. The advisory was issued at 12:33 AM EDT and covers 28 zones, including Warren, McKean, Potter, Elk, Cameron, Northern Clinton, Clearfield, Northern Centre, Southern Centre, Cambria, Blair, Huntingdon, Mifflin, Juniata, Somerset, Bedford, Fulton, Tioga, Northern Lycoming, Sullivan, Southern Clinton, Southern Lycoming, Union, Snyder, Montour, Northumberland, Columbia, and Perry counties.
Visibility is expected to be one quarter mile or less in dense fog, primarily confined to valleys. The advisory warns of hazardous driving conditions due to reduced visibility. Residents are advised to allow extra time to reach their destinations, slow down, use low-beam headlights, and leave plenty of distance ahead of them.
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Revision history
- Version 121 Aug 2026, 04:53current
First published.
- Version 121 Aug 2026, 04:39current
First published.
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