Alertes en vigueurDowningtown, PA

What: Flash flooding caused by excessive rainfall is possible.
Where: Northern Delaware, New Jersey and eastern Pennsylvania including the Southern Poconos, Lehigh Valley and metro Philadelphia.
When: From Tuesday morning through Wednesday afternoon.
Impacts: Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Creeks and streams may rise out of their banks. Flooding may occur in poor drainage and urban areas.
Additional Details: - Showers and thunderstorms will increase over the area Tuesday morning and afternoon. Rainfall rates of 1 to 2 inches per hour are possible. Total rainfall of 2 to 4 inches could occur into Tuesday night. - http://www.weather.gov/safety/flood

You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued.