Winter Weather Warnings & Alerts
Back to All Alerts
🟠 Severe

Flood Watch

New Castle; Sussex; Warren; Morris; Hunterdon; Somerset; Middlesex; Western Monmouth; Eastern Monmouth; Mercer; Salem; Gloucester; Camden; Northwestern Burlington; Berks; Lehigh; Northampton; Delaware; Philadelphia; Western Chester; Eastern Chester; Western Montgomery; Eastern Montgomery; Upper Bucks; Lower Bucks

Flood Watch issued August 2 at 2:20PM EDT until August 3 at 11:00PM EDT by NWS Mount Holly NJ

Alert Description

* WHAT...Flooding caused by excessive rainfall is possible. * WHERE...Portions of northern Delaware, including the following area, New Castle, New Jersey, including the following areas, Camden, Eastern Monmouth, Gloucester, Hunterdon, Mercer, Middlesex, Morris, Northwestern Burlington, Salem, Somerset, Sussex, Warren and Western Monmouth, and Pennsylvania, including the following areas, Berks, Delaware, Eastern Chester, Eastern Montgomery, Lehigh, Lower Bucks, Northampton, Philadelphia, Upper Bucks, Western Chester and Western Montgomery. * WHEN...From 8 PM EDT this evening through Monday evening. * 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... - Multiple rounds of showers and thunderstorms are expected across the area tonight through Monday. Rainfall rates of 1 to 3 inches per hour possible. Rainfall amounts of 1 to 2 inches are possible with localized amounts to 3 to 5 inches which could cause flash flooding. - http://www.weather.gov/safety/flood

Safety Instructions

You should monitor later forecasts and be alert for possible Flood Warnings. Those living in areas prone to flooding should be prepared to take action should flooding develop.

Time Information

Effective
Aug 3, 2026, 12:00 AM
Expires
Aug 3, 2026, 9:00 AM
Issued
Aug 2, 2026, 6:20 PM

Alert Details

Severity
Severe
Urgency
Future
Certainty
Possible
Category
Met

Issued By

NWS Mount Holly NJ
National Weather Service

Share This Alert