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Borough of Hopatcong
Sunday July 5th, 2026 :: 09:14 p.m. EDT

Alert

Severe Thunderstorm Warning until 10:00PM

SVRPHI The National Weather Service in Mount Holly NJ has issued a

* Severe Thunderstorm Warning for... Northeastern Hunterdon County in northwestern New Jersey... Central Morris County in northern New Jersey... South central Sussex County in northwestern New Jersey... Northwestern Somerset County in northern New Jersey...

* Until 1000 PM EDT.

* At 914 PM EDT, a severe thunderstorm was located over Long Valley, or 14 miles west of Morristown, moving northeast at 20 mph. HAZARD...60 mph wind gusts and nickel size hail. SOURCE...Radar indicated. IMPACT...Damage to roofs, siding, trees, and power lines is possible.

* Locations impacted include... Dover, Hopatcong, Wharton, Rockaway, Morris Plains, Mount Arlington, Mendham, Mountain Lakes, Stanhope, Netcong, Peapack And Gladstone, Chester, Victory Gardens, Califon, Far Hills, Succasunna, Succasunna-Kenvil, Long Valley, Budd Lake, and Lake Mohawk. This includes Interstate 80 in New Jersey between mile markers 24 and 41.

* AFFECTED AREAS: HUNTERDON, NJ ... MORRIS, NJ ... SOMERSET, NJ ... SUSSEX, NJ

Instructions:

For your protection move to an interior room on the lowest floor of a building. To report severe weather, contact your nearest law enforcement agency. They will send your report to the National Weather Service office in Mount Holly NJ. Torrential rainfall is occurring with this storm, and may lead to flash flooding. Do not drive your vehicle through flooded roadways.

Address/Location
Borough of Hopatcong
111 River Styx Rd
Hopatcong, NJ 07843

Contact
Emergency: 9-1-1
Non-emergencies: 973-770-1200

TEXT-A-TIP -  Text TIP HOPATCONG 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:
Observed - Determined to have occurred or to be ongoing
Category:
Meteorological (inc. flood)
Event:
Severe Thunderstorm Warning

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