Dangerous heat to hit New York City through the July 4th weekend | Live updates

An extreme heat warning has been issued starting Wednesday

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Last updated: Tuesday, June 30, 2026 9:44PM GMT
NYC prepares for dangerous heat wave this week

NEW YORK (WABC) -- A dangerous heat wave is expected to bring prolonged extreme heat to New York City and the Tri-State area this week.

New York City is already under an air quality advisory and an extreme heat warming goes into effect Wednesday.

Officials warn it will likely feel like 90-100 degrees this week and the heat is expected to increase Wednesday and Thursday.

Extreme heat is considered the deadliest weather-related hazard in the U.S.

Some tips to keep yourself and loved ones safe include stay hydrated, avoid direct sunlight, seek air conditioning or shade, avoid strenuous outdoor activity and check on older family members and neighbors. Visit nyc.gov/beattheheat for more.

Stick with Eyewitness News for the latest forecast and weather alerts.


Key Headlines

Here's how the news is developing.
20 minutes ago

Mamdani warns dangerous heat 'will affect every part of our city'

NYC Mayor Zohran Mamdani updated New Yorkers ahead of an incoming stretch of extreme heat on Tuesday afternoon.

"These are extremely dangerous conditions and they will affect every part of our city," he said.''

2 hours and 41 minutes ago

Health commissioner issues warning ahead of heat wave

New York State Health Commissioner Dr. James V. McDonald says the next five days will be the most significant heat health risk that he's seen in his time as the commissioner.

He's urging people to carry water, know where air conditioning is, and to watch out for signs of heat injury.

3 hours and 5 minutes ago

Newark activates Code Red for Wednesday through Sunday

Newark is activating a Code Red from 8 a.m. Wednesday through 8 a.m. Sunday as temperatures are expected to reach over 100 degrees.

Residents who encounter an unsheltered individual in need of non-emergency assistance are encouraged to text "Path Home" to 855-11. Messages are immediately relayed to homeless street outreach teams, who will locate the individual and connect them with available services and resources.

For additional information regarding sheltering services, contact the drop-in centers listed below or the Office of Homeless Services at (973) 877-9482, Monday through Friday, from 8:30 a.m. to 4:30 p.m.

Bridges Outreach, INC and Project Connect
35 Halsey Street
Newark, NJ
(973) 723-2307

Better Life
101 14th Avenue
Newark, NJ
(862) 229-1400 ext. 6123

NJCRI -Crossroads
393 Central Avenue
Newark, NJ
(973) 483-3444

Newark Emergency Services - Drop in Center
982 Broad Street
Newark, NJ
(973) 639-2100

6:32 PM GMT

Con Edison crews mobilize for extreme heat

Con Edison is mobilizing in advance of the extreme heat this week and is activating its Emergency Response Center on Wednesday in preparation for the upcoming high temperatures and potential thunderstorms.

The company says crews are working 24/7 and ready to respond to any underground or overhead power problems caused by the extreme weather.

Customers are encouraged to use energy efficiently and take steps to stay safe and comfortable.

Heat, humidity and increased demand for electricity to power air conditioners can cause strain on the system and may lead to scattered outages. The coming days could also bring thunderstorms, which can affect the overhead delivery system.

Members of the public are urged to stay away from any wires that are downed during storms. Call your local police department or 1-800-75-CONED (1-800-752-6633) to report downed wires.

Con Edison may send emails and text messages to customers, reminding them to be prepared and to report an outage. Customers can sign up for text alerts at coned.com/text.