While actual temperatures will be higher in Death Valley, humidity levels will make it feel as hot or hotter than the Southwest in parts of the Central and Eastern states.

AccuWeather Global Weather Center – July 18, 2019 – The northeastern United States will sizzle this week as summer heat builds to near-record levels in some places, with many metropolitan areas experiencing the hottest air temperatures of the summer so far as a heat wave envelopes a wide swath of the United States.

In the nation’s capital, AccuWeather RealFeel® Temperatures on Saturday are forecast to reach 110 F, just 2 degrees shy of the RealFeel Temperature forecast for Death Valley, California, on the same day. Washington, D.C., will also swelter with a forecast high of 100; however, the nation’s capital likely won’t break its daily and all-time high of 106 hit on July 20, 1930, about 12 years after the mercury hit 106 in 1918. However, this is forecast to be the first triple-digit heat to grip the nation’s capital since the summer of 2016.

“The combination of sunshine, temperature, humidity levels and other factors will push RealFeel Temperatures well into the danger level past 105 degrees during the late morning and afternoon hours,” AccuWeather Senior Meteorologist Brett Anderson cautioned.

On Wednesday, Philadelphia and New York City followed suit and declared emergencies due to the heat. According to a press release New York City Mayor Bill de Blasio’s office, approximately 500 cooling centers have been activated around the city.

“Actual temperatures in some of the major cities, such as Washington, D.C., Baltimore, Philadelphia and New York City are likely to peak within a few degrees of the century mark at the peak of the heat wave this weekend,” Anderson said.

Intense July sunshine combined with a northward retreat of the jet stream will allow an impressive heat wave to build even for midsummer standards for many locations across the Northeast. At this level, temperatures will be 10-15 degrees above average even for the middle of the summer.

“Cooling demands will surge with the intense heat wave,” according to AccuWeather Lead Long-Range Meteorologist Paul Pastelok.

Among the cities that could break or challenge records on Saturday is Manchester, New Hampshire, which is forecast to hit the century mark. The daily record high in Manchester for July 20 is 94 F set in 1949. Manchester’s all-time record is 103, set on July 22, 2011.

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