Excessive heat warnings will continue for much of the Desert Southwest through Monday. Here, Maria Wieser of Italy drinks water while sightseeing in Death Valley National Park on Friday.
A man stands in a fountain in Washington Square Park on July 18, in New York City. Temperatures were expected in the upper 90's during another heat wave in the city.
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John Rohlfing, 38, takes a drink as he works on the construction of his new home Thursday in North Aurora, Ill. He started at 6:00 a.m. and quit at 11:00 a.m. because of triple-digit temperatures.