National Weather Service warns of heat index values reaching 105-110 degrees across New York City and surrounding areas from Wednesday through Friday.
6:08 PM
The National Weather Service has issued an extreme heat watch for New York City and surrounding areas beginning Wednesday afternoon through Friday evening, with dangerously high temperatures and humidity expected to persist through the July 4 weekend.
Heat index values are forecast to reach 105 to 110 degrees or higher across the five boroughs, Long Island, the Lower Hudson Valley, northern New Jersey and western Connecticut. The watch takes effect at noon Wednesday and remains in effect through 9 p.m. Friday.
Daytime temperatures are expected to approach 100 degrees, with Wednesday and Thursday representing the hottest days of the week. Thursday and Friday are forecast to see actual temperatures reach 100 degrees, which would mark the first time Central Park has recorded such temperatures since July 2012. Overnight lows may only drop to the upper 70s to lower 80s in many areas, offering little relief for those without air conditioning.
The combination of intense heat and high humidity will create dangerous conditions, particularly for older adults, people with chronic health conditions, and those who work or spend time outdoors. The National Weather Service warned that heat impacts are cumulative, meaning health risks increase day after day during prolonged exposure.
Monday will be the coolest day of the week, with temperatures peaking around 84 to 85 degrees in New York City and the lower 80s on Long Island. Tuesday will see temperatures begin rising into the upper 80s and low 90s. By Wednesday, temperatures will reach approximately 95 degrees, with the peak of the heat wave arriving Thursday and Friday.
Thunderstorm activity is possible Tuesday and Wednesday, with the Storm Prediction Center identifying a marginal risk of severe thunderstorms on Wednesday. Thursday is expected to be dry, though Friday may bring additional thunderstorm possibilities.
The National Weather Service urged residents to take precautions during the heat event, including staying in air-conditioned spaces, drinking plenty of fluids, limiting outdoor activity during the hottest parts of the day, and checking on neighbors, especially seniors and vulnerable individuals. New York Gov. Kathy Hochul issued a warning to residents to stay safe, noting that people with children should avoid walking strollers during peak heat hours and dog owners should minimize outdoor time with pets.
About 236 million Americans are expected to experience temperatures over 90 degrees by Wednesday. The area is not expected to cool down until early next week, with daytime temperatures finally dipping to the mid-80s on Sunday. New York City is already under an air quality advisory in addition to the extreme heat watch.
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