What To Watch For
Major heat risks are forecast to dissipate in some parts of the central U.S. by Friday, when high temperatures will grow in the South and Southwest.
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Crucial Quote
“High temperatures combined with high humidity can raise heat indices to 105 to 115 degrees, which will pose health risk concerns to anyone without adequate cooling or hydration,” NWS noted. Heat indices measure what temperatures feel like to the human body, not the temperature itself.
Key Background
The seasonal temperature outlook for August, September and October calls for slightly above or above normal temperatures in a majority of the U.S., with much of the central U.S. expected to have equal chances of lower-than-usual or higher-than-usual temperatures. El Niño, a climate pattern that is characterized by warmer-than-average ocean surface temperatures, developed in the tropical Pacific last month and is expected to strengthen, according to the National Oceanic and Atmospheric Administration. El Niño typically results in a warmer than usual winter in the northern U.S. and an increase in storms in the southern tier of the U.S.
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