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Borough of Hopatcong
Thursday June 11th, 2026 :: 10:03 p.m. EDT

Alert

Severe Thunderstorm Warning until 10:45PM

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

* Severe Thunderstorm Warning for... Northern Morris County in northern New Jersey... Sussex County in northwestern New Jersey... Northeastern Warren County in northwestern New Jersey...

* Until 1045 PM EDT.

* At 1002 PM EDT, a severe thunderstorm was located over Branchville, or near Newton, moving east at 40 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Damage to roofs, siding, trees, and power lines is possible.

* Locations impacted include... Newton, Montague, Hopatcong, Lincoln Park, Kinnelon, Boonton, Butler, Wharton, Rockaway, Mount Arlington, Franklin, Mountain Lakes, Stanhope, Riverdale, Hamburg, Ogdensburg, Sussex, Branchville, Andover, and High Point. This includes the following highways... Interstate 80 in New Jersey between mile markers 20 and 24, and between mile markers 33 and 38. Interstate 287 in New Jersey between mile markers 45 and 54.

* AFFECTED AREAS: MORRIS, NJ ... SUSSEX, NJ ... WARREN, NJ

Instructions:

For your protection move to an interior room on the lowest floor of a building.

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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