Heat wave forecast: Excessive heat warnings affect 85M Americans – USA TODAY

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NYC residents try to escape heat at Coney Island

High temperatures threatened much of the Northeast on Thursday, as huge swaths of the country swelter under a heat wave that could last for days. New York residents flocked to Coney Island, where it was a little cooler. (July 21) (AP video/Robert Bumsted)

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Intense summer heat is in full swing across the U.S., forecasters said Friday. 

The forecast: “Oppressive and extreme summer heat will produce dangerous conditions through the weekend for multiple locations across the U.S., especially in the northeastern U.S.,” the National Weather Service said Friday morning.

Who is affected: The excessive heat warnings stretch from the East Coast to Southwest, affecting over 85 million Americans on Friday, the Weather Service said.

EVERYTHING TO KNOW ABOUT HEAT: What is a heat index? Heat dome? 

Southwest 

The most extreme heat Friday is in the Southwest, where the Weather Service in Las Vegas warned that it will significantly increase the potential for heat-related illnesses, particularly for those working or participating in outdoor activities.”

  • In Las Vegas, the high temperature on Friday was predicted to be a scorching 113 degrees.
  • In Phoenix, residents were warned of “dangerously hot conditions,” with a high temperature nearing 115 degrees on Friday.

STAYING COOL IN HOT WEATHER:  Here’s how to stay safe

Central US

The heat in Texas and the southern Plains has been unforgiving this summer and “there’s little sign of relief” in the forecast, the Capital Weather Gang reported. 

  • San Antonio, Austin and Houston are all enduring their highest temperatures on record, the Capital Weather Gang said.
  • In Kansas City, Saturday is anticipated to be the worst day this weekend with highs in the upper 90s and lower 100s with heat indices around 103-107 degrees, the Weather Service said. The heat index is how hot the weather feels when the humidity is factored in. 

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Northeast 

The heat wave will be the most formidable of the summer so far for many big cities along the upper reaches of the Eastern Seaboard, AccuWeather said. The intensifying weather pattern will also deliver some of the highest daily temperatures and longest stretches of heat that many places have endured in years.

  • New York City will see highs topping 90 degrees for at least the next three days. This heat wave could be the longest in nearly a decade The last time New York City strung together seven consecutive days with highs of 90 or greater was July 14-20, 2013, AccuWeather said.
  • Boston, Philadelphia and Washington, D.C., will also see several days of temperatures in the 90s.
  • Areas from Virginia to Massachusetts in the Interstate 95 corridor will see 90-degree days possibly extending into next week, according to AccuWeather.

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Next week: Northwest heat wave

Early next week, a heat wave is also forecast to scorch the normally mild Pacific Northwest. While highs may fall short of records in most locations during the upcoming heat wave in the Northwest, AccuWeather said, temperatures will average 10 to 15 degrees Fahrenheit above normal in a stretch of five to seven days.

Contributing: The Associated Press



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