EASTERN PENNSYLVANIA –
The National Weather Service in Mount Holly has issued a Flood Watch for much of eastern Pennsylvania, warning that flash flooding caused by excessive rainfall is possible from 3 p.m. Wednesday through late tonight.
The watch, issued at 11:56 a.m. Wednesday, July 16, 2025, covers a wide area including Carbon, Monroe, Berks, Lehigh, Northampton, Delaware, Philadelphia, Western and Eastern Chester, Western and Eastern Montgomery, Upper Bucks and Lower Bucks counties.
Communities under the watch include Allentown, Bethlehem, Easton, Reading, Doylestown, Norristown, Philadelphia, West Chester, Lansdale, Perkasie, and Stroudsburg.
What to Expect
- Forecasters say another round of heavy showers and thunderstorms is expected late this afternoon and evening.
- Storms could drop 1 to 2 inches of rain within 1 to 3 hours, with isolated pockets receiving up to 4 inches.
- Such intense rainfall could quickly overwhelm drainage systems, leading to flooding of rivers, creeks, streams, and low‑lying areas.
Potential Impacts
- Roadways in flood‑prone areas may become impassable.
- Rapid rises in small streams and creeks are possible.
- Urban areas with poor drainage may experience street flooding.
Safety Tips
- Stay alert for Flash Flood Warnings that may be issued later today.
- Do not drive through flooded roads. Turn around, don’t drown.
- Monitor local forecasts and updates from emergency management officials.
For more information on flood safety, visit weather.gov/safety/flood.
Stay tuned to NWS and https://firstsourcenews.net/ for further updates as conditions devel
