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Elev 318 ft, 40.28 °N, 75.39 °W

Harleysville, PA Severe Weather Alertstar_ratehome

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Personal Weather Station
Location: Harleysville, PA
Elevation: 318ft
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Active Weather Alerts

Flash Flood Warning
Issued: 4:26 AM Jul. 6, 2026 – National Weather Service
...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 3 AM EDT EARLY THIS
MORNING FOR NORTHEASTERN NEW CASTLE, NORTHWESTERN BURLINGTON,
NORTHWESTERN CAMDEN, NORTHWESTERN GLOUCESTER, NORTHWESTERN SALEM,
DELAWARE, SOUTHEASTERN MONTGOMERY AND PHILADELPHIA COUNTIES...

At 1226 AM EDT, law enforcement and emergency management reported
numerous stranded vehicles and water rescues in Pennsville Township
in Salem County, New Jersey and in Delaware County, Pennsylvania.
Between 1 and 3 inches of rain have fallen. Additional rainfall
amounts up to 0.5 inches are possible in the warned area. Flash
flooding is already occurring.

HAZARD...Life threatening flash flooding caused by thunderstorms.

SOURCE...Law enforcement and emergency management reported.

IMPACT...Life threatening flash flooding of creeks and streams,
urban areas, highways, streets, and underpasses.

Some locations that may experience flash flooding include...
Philadelphia, Camden, Wilmington, Gloucester City, Cherry Hill,
Mount Laurel, Norristown, Chester, Willingboro, Deptford, West
Deptford and Pennsville.

People attending Lemon Hill should seek shelter immediately.

This includes the following highways...
	Interstate 295 in New Jersey between mile markers 0 and 47.
	Interstate 476 in Pennsylvania between mile markers 0 and 19.
	New Jersey Turnpike between exits 1 and 5.
	Interstate 76 in Pennsylvania between mile markers 329 and 351.
	Interstate 95 in Pennsylvania between mile markers 0 and 33.
	Interstate 676 in Pennsylvania between mile markers 0 and 1.
	Interstate 676 in New Jersey between mile markers 0 and 4.
	Northeast Extension near mile marker 21.
	Interstate 76 in New Jersey between mile markers 0 and 3.
	Pennsylvania Turnpike between mile markers 330 and 346.
	Interstate 95 in Delaware between mile markers 9 and 23.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around...don't drown when encountering flooded roads. Most
flood deaths occur in vehicles.

Be especially cautious at night when it is harder to recognize the
dangers of flooding.

Be aware of your surroundings and do not drive on flooded roads.

&&


FLASH FLOOD...OBSERVED;
FLASH FLOOD DAMAGE THREAT...CONSIDERABLE

Flood Watch
Issued: 7:16 PM Jul. 5, 2026 – National Weather Service
...FLOOD WATCH REMAINS IN EFFECT THROUGH MONDAY EVENING...

* 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, Salem, Somerset, Sussex, Warren and
Western Monmouth, and Pennsylvania, including the following areas,
Berks, Carbon, Delaware, Eastern Chester, Eastern Montgomery,
Lehigh, Lower Bucks, Monroe, Northampton, Philadelphia, Upper
Bucks, Western Chester and Western Montgomery.

* WHEN...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 heavy showers and thunderstorms are
expected to impact the area this afternoon through Monday.
Rain amounts of over 2 inches in an hour will be possible
leading to areas of flash flooding.
- 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.

&&

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