GlobalNews411

Comprehensive reporting, aggregated for speed.

allentown

Dense fog advisory in effect for Northwest Pa. until Friday midday

National Weather Service warns visibility may be one-quarter mile or less in parts of Northwest Pennsylvania.

Published Apr 17, 2026, 4:57 AM EDT | LehighValleyLive

On Friday at 4:51 a.m. the National Weather Service issued a dense fog advisory in effect until 11 a.m. for Northern Erie and Southern Erie as well as Crawford County.

The weather service informs, "Visibility one quarter mile or less in dense fog."