Dense Fog Advisory

Locations Affected

Indiana, PA ∙ White, PA ∙ Walston, PA ∙ Marchand, PA ∙ Ligonier, PA ∙ Crenshaw, PA ∙ Youghiogheny River Lake, PA ∙ Rossiter, PA ∙ Armagh, PA ∙ Sigel, PA

Full Alert Message

URGENT - WEATHER MESSAGE National Weather Service Pittsburgh PA 345 AM EST Fri Nov 21 2025 ...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 9 AM EST THIS MORNING... * WHAT...Visibility one quarter mile or less in dense fog. * WHERE...Jefferson PA, Higher Elevations of Fayette, Higher Elevations of Westmoreland, Higher Elevations of Indiana, and Indiana Counties. * WHEN...Until 9 AM EST this morning. * IMPACTS...Low visibility could make driving conditions hazardous. PRECAUTIONARY/PREPAREDNESS ACTIONS... If driving, slow down, use your headlights, and leave plenty of distance ahead of you.

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