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Extreme Heat Warning and Watch Issued for New York Counties

July 1, 2026 · wweather1 editorial · 2 min read

An Extreme Heat Warning and Watch have been issued for Bronx, Kings (Brooklyn), New York (Manhattan), Northern Queens, Richmond (Staten Island), and Southern Queens counties. Dangerous heat index values up to 111 are expected under the Warning, with values up to 103 possible under the Watch.

The National Weather Service (NWS) Upton NY has issued an Extreme Heat Warning, effective from noon Wednesday to 9 PM EDT Friday, for Bronx, Kings (Brooklyn), New York (Manhattan), Northern Queens, Richmond (Staten Island), and Southern Queens counties. An Extreme Heat Watch is also in effect for the same areas from Friday evening through Saturday evening.

Under the Extreme Heat Warning, dangerously hot conditions are expected, with heat index values potentially reaching up to 111. For the Extreme Heat Watch, dangerously hot conditions are possible, with heat index values up to 103. This prolonged period of extreme heat and humidity is anticipated to significantly increase the risk of heat-related illnesses, especially for individuals engaged in outdoor work or activities. Forecasters indicate this could be a multi-day extreme heat event, bringing near-record high temperatures and minimal overnight temperature relief.

The sustained heat poses a potential danger to those without adequate cooling and hydration. Impacts to transportation infrastructure, as well as electrical and water systems, are also possible. Seniors, along with individuals with chronic health problems or mental health conditions, face an increased risk during this event. Residences without air conditioning may experience indoor temperatures much hotter than outside conditions.

Why it is dangerous and what to do

⚠️ Safety
• Drink plenty of water.
• Seek air-conditioned environments.
• Check on vulnerable friends, family members, and neighbors.
• Call 911 for heat stroke emergencies.
📊 The numbers, from wweather1 data
The Bronx: now +36°, Mostly clear.
That is 8° above the July climate norm.
The record for this date is +35° (1964).
Three-day forecast: 1 July: +37°/+24° · 2 July: +40°/+26° · 3 July: +41°/+28°
The figures are computed automatically from the Open-Meteo/ERA5 archive — no eyeball estimates.

🌍 Weather in nearby cities

📰 Data source: NWS. Forecast and analysis — wweather1, based on Open-Meteo / met.no data.

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