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Elev 410 ft, 40.9 °N, 74.4 °W

Boonton, NJ Severe Weather Alertstar_ratehome

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Current Station
Personal Weather Station
Location: Boonton, NJ
Elevation: 410ft
Nearby Weather Stations

Active Weather Alerts

Flash Flood Warning
Issued: 10:25 PM Aug. 7, 2026 – National Weather Service
...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 845 PM EDT THIS
EVENING FOR NORTHEASTERN MERCER, MIDDLESEX, SOUTHEASTERN MORRIS AND
CENTRAL SOMERSET COUNTIES...

At 625 PM EDT, the public reported thunderstorms producing heavy
rain across the warned area with roads flooded in New Brunswick.
Between 1 and 2 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...Flash flooding caused by thunderstorms.

SOURCE...Public reported.

IMPACT...Flooding of small creeks and streams, urban areas,
highways, streets, and underpasses as well as other
drainage and low lying areas.

Some locations that may experience flash flooding include...
New Brunswick, Morristown, Somerville, Somerset, Edison, East
Brunswick, South Brunswick, North Brunswick, Madison, Middlesex,
Princeton and Florham Park.

This includes the following highways...
New Jersey Turnpike between exits 8A and 11.
Interstate 287 in New Jersey between mile markers 0 and 17...and
between mile markers 27 and 47.
Interstate 78 in New Jersey between mile markers 34 and 42.
Interstate 80 in New Jersey between mile markers 40 and 48.
Garden State Parkway between mile markers 130 and 134.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&


FLASH FLOOD...OBSERVED

Flash Flood Warning
Issued: 10:23 PM Aug. 7, 2026 – National Weather Service
...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 815 PM EDT THIS
EVENING FOR CENTRAL MORRIS, NORTHWESTERN SOMERSET, NORTHEASTERN
HUNTERDON AND SOUTH CENTRAL SUSSEX COUNTIES...

At 623 PM EDT, Doppler radar and automated rain gauges indicated
thunderstorms producing heavy rain across the warned area. Between 1
and 2 inches of rain have fallen. Additional rainfall amounts up to
0.5 inches are possible in the warned area. Flash flooding is
ongoing or expected to begin shortly.

HAZARD...Flash flooding caused by thunderstorms.

SOURCE...Radar and automated gauges.

IMPACT...Flooding of small creeks and streams, urban areas,
highways, streets, and underpasses as well as other
drainage and low lying areas.

Some locations that may experience flash flooding include...
Dover, Hopatcong, Wharton, Rockaway, Mount Arlington, Mendham,
Stanhope, Netcong, Peapack And Gladstone, Chester, Victory Gardens
and Lebanon.

This includes the following highways...
Interstate 287 in New Jersey between mile markers 22 and 26.
Interstate 78 in New Jersey between mile markers 20 and 31.
Interstate 80 in New Jersey between mile markers 23 and 39.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&


FLASH FLOOD...RADAR AND GAUGE INDICATED

Flash Flood Warning
Issued: 10:21 PM Aug. 7, 2026 – National Weather Service
...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 8 PM EDT THIS EVENING
FOR WEST CENTRAL MORRIS, NORTH CENTRAL HUNTERDON, SOUTHWESTERN
SUSSEX AND CENTRAL WARREN COUNTIES...

At 621 PM EDT, the public reported thunderstorms producing heavy
rain across the warned area with numerous roads flooded. Between 1
and 2 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...Flash flooding caused by thunderstorms.

SOURCE...Public reported.

IMPACT...Flooding of small creeks and streams, urban areas,
highways, streets, and underpasses as well as other
drainage and low lying areas.

Some locations that may experience flash flooding include...
Newton, Hackettstown, Washington, Oxford, Hope, Glen Gardner,
Hampton, Andover, Great Meadows-Vienna, Allamuchy-Panther Valley,
Beatyestown and Greendell.

This includes Interstate 80 in New Jersey between mile markers 11
and 24.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&


FLASH FLOOD...OBSERVED

Heat Advisory
Issued: 9:33 PM Aug. 7, 2026 – National Weather Service
...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT SATURDAY...

* WHAT...Heat index values up to 100 degrees.

* WHERE...In New Jersey, Morris and Hunterdon Counties. In
Pennsylvania, Upper Bucks, Western Chester, and Western Montgomery
Counties.

* WHEN...Until 8 PM EDT Saturday.

* IMPACTS...Hot temperatures and high humidity may cause heat
illnesses.

* ADDITIONAL DETAILS...Warm and very humid conditions at night will
not offer much relief from the heat and humidity.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.

Take extra precautions when outside. Wear lightweight and loose
fitting clothing. Try to limit strenuous activities to early morning
or evening. Take action when you see symptoms of heat exhaustion and
heat stroke.

To reduce risk during outdoor work, the Occupational Safety and
Health Administration recommends scheduling frequent rest breaks in
shaded or air conditioned environments. Anyone overcome by heat
should be moved to a cool and shaded location. Heat stroke is an
emergency! Call 9 1 1.

&&

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