Issued at 12:25 PM EDT on September 13, 2026, by the National Weather Service
A Flash Flood Warning remains in effect until 2 PM EDT this afternoon for southeastern Bristol County and south central Plymouth County as thunderstorms continue to produce torrential rainfall.
According to gauge reports, 1.5 to 2.5 inches of rain has already fallen across the warned area, with additional rainfall of 1 to 2 inches possible. Rainfall rates of up to 2 inches per hour are expected, creating an ongoing threat of flash flooding.
Areas at Risk
Flash flooding is occurring or expected shortly in and around:
- New Bedford
- Fall River
- Dartmouth
- Marion
- Wareham
- Fairhaven
- Acushnet
- Freetown
- Mattapoisett
- Rochester
Flooding may affect small creeks and streams, urban areas, highways, streets, underpasses, and other low-lying or poorly drained locations.
Safety Reminder
Turn around, don’t drown. Never drive through a flooded roadway, as even shallow water can sweep vehicles away.
Residents should remain alert to rapidly changing conditions and avoid flooded roads. If flooding is observed, report it to local emergency services or law enforcement when it is safe to do so.
Hazard: Flash flooding caused by thunderstorms
Source: Gauge reports
Warning expires: 2 PM EDT, September 13
