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: Wednesday, July 1, 2026 12:39AM 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.


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Here's how the news is developing.
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Jun 30, 2026, 2:49 AM GMT

Mayor Mamdani activates heat emergency plan with dangerous temperatures on the way

Mayor Zohran Mamdani has activated a heat emergency plan, launching a coordinated, proactive interagency response across all five boroughs to prepare New Yorkers for historically high heat indices that will begin Wednesday.

Under the plan, the city says it is taking expansive action to activate hundreds of cooling centers and cool options, intensify outreach and support to vulnerable New Yorkers such as the homeless and older adults and ready New Yorkers for the heat.

The plan includes the following initiatives:

  • Cooling Outreach On-Location (COOL) vans, operated by NYC Health + Hospitals, will provide mobile cooling resources directed to our most vulnerable New Yorkers. The vans provide wellness checks, medical care, water and other supplies such as electrolytes and sunscreen, as well as transport to cooling centers or healthcare facilities. COOL vans will also be dispatched to perform in-home wellness checks on older adults. More than a dozen vans will be operational Wednesday.
  • The Department of Health and Mental Hygiene (DOHMH) will operate Health Action Centers and Overdose Prevention Centers as cooling centers.
  • DOHMH will expand pop-up cooling stations through partnerships with community-based organizations with cold water, misting fans and cooling towels for outdoor workers including street vendors, deliveristas and day laborers working in the heat.
  • More than 2,200LinkNYCKiosks will display real-time walking directions to the nearest cooling center - a new initiative created by the Mamdani administration.
  • The Department of Consumer and Worker Protection (DCWP) will message all of its licensees - about 45,000 businesses across 45 different business categories- encouraging heat illness plans, warning about the dangers of extreme heat and signs of heat exhaustion and reminding employees that they can use Protected Time Off for heat-related emergencies.
  • "We're staring down what could be the second hottest day in New York City history in over a decade - and City government is taking historic measures to keep all New Yorkers indoors, cool and safe," said Mayor Mamdani.

    The mayor is encouraging New Yorkers to sign up for Notify NYC by texting NOTIFYNYC to 692-692 so you can stay up to date with the latest weather and information.

    You can also find more information on New York City Emergency Management's website.

    Jun 29, 2026, 8:25 PM GMT

    Lee Goldberg details extreme heat on the way in Wake-Up Weather

    Jun 29, 2026, 7:14 PM GMT

    NYC Health tips to stay safe during extreme heat

    Jun 29, 2026, 6:44 PM GMT

    Westchester pools and beaches to stay open longer

    Westchester County pools and beaches will stay open an extra hour later due to the heat wave.

    Pools and beaches will be open from 11 a.m. until 7:30 p.m. on July 1 and 2 to help residents stay cool.

    Beat the heat at Playland Pool and Beach in Rye, Glen Island Beach in New Rochelle, Saxon Woods Pool in White Plains, Sprain Ridge Pool and The Brook Tibbetts in Yonkers and Willson's Wave Pool in Mt. Vernon.

    Westchester County Executive Ken Jenkins said: "The safety of our residents is of utmost importance and we want to provide as many options to stay cool during the upcoming heatwave. We hope residents and visitors will take advantage of our pools and beaches to keep cool, stay active and enjoy the outdoors safely."