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Princeton NJ Police Department
Thursday August 27th, 2026 :: 09:42 a.m. EDT

Alert

Flood watch is in effect from noon today through late tonight.

FLOOD WATCH REMAINS IN EFFECT FROM NOON EDT TODAY THROUGH LATE TONIGHT...

Follow all road closures and detours.  Do not drive around barricades or attempt to drive through flooded roadways.

WHAT...Flash flooding caused by excessive rainfall continues to be possible.

WHERE...Portions of northern Delaware, including the following area, New Castle, New Jersey, including the following areas, Camden, Gloucester, Hunterdon, Mercer, Middlesex, Morris, Northwestern Burlington, Somerset, Sussex and Western Monmouth, and southeast Pennsylvania, including the following areas, Delaware, Eastern Chester, Eastern Montgomery, Lower Bucks, Philadelphia, Upper Bucks, Western Chester and Western Montgomery. WHEN...From noon EDT today through late tonight.

IMPACTS...Flooding may occur in poor drainage and urban areas.

ADDITIONAL DETAILS... - Showers and thunderstorms are expected to develop by mid-day Thursday. Some of these showers and thunderstorms are expected to produce very heavy rainfall. Rainfall totals of 1-2 inches of rain can be expected with localized amounts of 3-5 inches possible in the strongest storms. Rainfall rates within these thunderstorms may reach up to 1 to 3 inches per hour at times. - http://www.weather.gov/safety/flood

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

Instructions:

Follow any Road Closures and Detours. Do not drive around barricades or attempt to drive through flooded roadways.

Address/Location
Princeton NJ Police Department
1 Valley Rd
Princeton, NJ 08542

Contact
Emergency: 9-1-1
Non-emergencies: 609-921-2100

TEXT-A-TIP -  Text TIP PRINCETON followed by your message, to 888777

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Alert Details

Severity:
Severe - Significant threat to life or property
Urgency:
Immediate - Responsive action SHOULD be taken immediately
Certainty:
Likely (p > ~50%)
Category:
Meteorological (inc. flood)
Event:
Flash Flood Warning

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