Dense fog advisory issued for Central Pa. until Saturday morning — visibility down to 1/4 mile
National Weather Service warns dense fog will reduce visibility to a quarter-mile or less across multiple Central Pennsylvania counties early Saturday.
At 3:30 a.m. on Saturday, the National Weather Service issued a dense fog advisory in effect until 8 a.m. for Juniata, Union, Snyder, Montour, Northumberland, Columbia, Perry, Dauphin, Schuylkill, Lebanon, Cumberland, Adams, York and Lancaster counties.
The weather service says to anticipate, "Visibility one quarter mile or less in dense fog."