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Captain, a boxer pitbull mix, wears sunglasses as he drinks water in Echo Lake Park in Los Angeles, Calif., June 29, 2013.
Shady parks and bodies of water have attracted Angelenos as a heat wave sweeps through California and the Southwest, bringing temperatures as high as 126 degrees F in some desert areas.
Ralph Freso/AP
USPS letter carrier Brian Johnson, 55, pours water over his head to get relief from the heat as he nears the end of his 400 house mail route in Glendale, Ariz., July 1, 2013.
Dangerously hot temperatures continue across central and southern Arizona with record setting highs being set across the state.
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A large crowd of people gather at Santa Monica Beach in Santa Monica, Calif., amid the heat wave gripping the southwest U.S., June 30, 2011.
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Death Valley National Park employee Anna Gilay makes her usual seven-mile morning run at 6:55 a.m. with the unofficial temperature already reaching 103 degrees as a heat wave spreads across the American West, in Death Valley National Park, Calif., June 30, 2013.
Read more: Death Valley equals highest June temperature from 1902
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People walk through an area of Death Valley known as the Devils Golf Course in 116-degree and rising temperatures as a heat wave spreads across the American West, in Death Valley National Park, Calif., June 30, 2013.
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Yoga enthusiasts participate in the Wanderlust In The City event at the Santa Monica pier in Santa Monica, Calif., June 30, 2011, amid the heat wave gripping the southwest U.S.
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USPS letter carrier Brian Johnson, 55, takes a break from his 400 house mail route to hydrate with some water in Glendale, Ariz., July 1, 2013.
Julie Jacobson/AP
Four-year-old Hayden Slykhuis cools off in the flow of a fountain at the Red Ridge Park water park in Las Vegas, June 29, 2013. Saturday's daytime high was expected to reach 117 degrees, which is the city's all-time high.
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A tour group walks on the salt flat at Badwater Basin, the lowest point in the nation at 282 feet below sea level, in Death Valley National Park, Calif., as a heat wave spreads across the American West, June 30, 2013.
Julie Jacobson/AP
Under the shade of an umbrella with temperatures already in triple digits by mid morning, tourists walk north along Las Vegas Boulevard toward The Strip, June 30, 2013. Temperatures were on the rise again after the city reported a record overnight low of 89 degrees Sunday and forecasters predicting a high of 116.
Ralph Freso/AP
Randy Peters, 31, takes a break from holding an advertising sign on a city street corner to hydrate with some water in Phoenix, Ariz., July 1, 2013.
Julie Jacobson/AP
Eight-year-old Willie Fitts holds his nose as he dips his head in the spray of a fountain at the Red Ridge Park water park in Las Vegas, June 29, 2013.
Rick Scuteri/AP
Chris Jolley, right, of Scottsdale, Ariz., runs his dog Logan through sprinklers at a local park, June 29, 2013.
Julie Jacobson/AP
Anita Bouse, of Henderson, Nev., floats in the waters along Boulder Beach at Lake Mead, near Boulder City, Nev., June 29, 2013.
