Flash Flood — Venango, Pennsylvania

2025-06-18 · near Dempseytown, Venango, Pennsylvania

Event narrative

State official reported that Billingsley Road is washed out and the public reported that State Route 417 was flooded.

Wider weather episode

The stalled boundary began to lift north during the day on the 17th but remained the focus of diurnal convection. While the front did eventually shift off to the east on the 18th, additional storms were able to fire with the lingering moist airmass as an upper level disturbance approached.

View location on OpenStreetMap → (41.5000, -79.8000)

Source: NOAA Storm Events Database, event_id 1279141. Narrative written by the NWS forecast office that issued the report.