Heat warning issued for Southern California mountains

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Randy Thomas of Vacaville, Calif., tries to fry an egg on the salt flats in Death Valley’s Badwater Basin. He drove there to experience the heat. (Katie Falkenberg / Los Angeles Times)

2/21

Sarah Mason, left, and Lance Lindsey, both from Los Angeles, and Joey Teixeira of Honolulu have their picture taken with of a thermometer -- showing 132 degrees -- at the Furnace Creek Visitor Center in Death Valley. (Katie Falkenberg / Los Angeles Times)

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Randy Thomas, left, of Vacaville, Calif., helps Andreas Kinnen from Germany hold up a thermometer in Death Valley’s Badwater Basin. (Katie Falkenberg / Los Angeles Times)

4/21

Conchi Almanza takes a photo of Mar Rodriguez in front of a digital thermometer at the Furnace Creek Visitor Center in Death Valley. The two tourists from Spain were likely to experience history Sunday with record temperatures forecast. (Katie Falkenberg / Los Angeles Times)

5/21

Rafael Artsrunyan, 2, splashes in the William Mulholland Memorial Fountain in Los Feliz. (Bret Hartman / For The Times)

6/21

During the heat wave, children swim at the LA84 Foundation/John C. Argue Swim Stadium pool in Los Angeles’ Exposition Park neighborhood. (Allen J. Schaben / Los Angeles Times)

7/21

Children cool off in the swimming pool in the Exposition Park neighborhood. (Allen J. Schaben / Los Angeles Times)

8/21

Leslie, Ernesto and Sharai Najera -- 7, 6 and 7, respectively -- shade themselves as they walk along Broadway in Los Angeles’ Chinatown. (Susannah Kay / Los Angeles Times)

9/21

David Murillio, 8, left, and Joshua Rodriguez, 9, cool off in a two-story inflatable pool in Boyle Heights. The boys were on their way to Pecan Recreation Center when they saw that their neighbors had rented the pool and jumped in. (Barbara Davidson / Los Angeles Times)

10/21

Pedestrians with cold drinks stroll past a window display of bathing suits at the Looksy Couture Boutique in Palm Springs. (Luis Sinco / Los Angeles Times)

11/21

A decorative sun in the window of the Cocky Cactus gift shop hints at the heat on the streets of Palm Springs. (Luis Sinco / Los Angeles Times)

12/21

Palm Springs resident Mike Cruz cools off with a Coke in the air-conditioned Raspados Colima ice cream shop along Highway 111 in Cathedral City, where temperatures hovered around 110 degrees Friday. (Luis Sinco / Los Angeles Times)

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Leonardo Zenaidi, 5, plays in the fountain at Grand Park in downtown Los Angeles as temperatures continue to climb Friday. (Sydney Stewart / Los Angeles Times)

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Gabby Iglesias plays with her 4-month-old daughter McKayla at Grand Park¿s Arthur J. Will Memorial Fountain. (Allen J. Schaben / Los Angeles Times)

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A marine layer still hovers over Zuma Beach in Malibu on Thursday afternoon. (Genaro Molina / Los Angeles Times)

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Mercedes Lopez, 2, relaxes in the shady part of the wading area in Grand Park. (Allen J. Schaben / Los Angeles Times)

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Next to Echo Park Lake, Mishelle Parry reads in the shade as an ice cream vendor walks by. (Luis Sinco / Los Angeles Times)

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A woman walks dogs past a fireworks stand in Santa Ana. (Bob Chamberlin / Los Angeles Times)

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A man walks along the sand in Long Beach on Thursday morning as sun breaks through the marine layer. (Luis Sinco / Los Angeles Times)

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Rosie Melendez, 9, strikes a pose as she jumps into a small pool in Boyle Heights. (Gary Friedman / Los Angeles Times)

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Greg Nunez helps Raiders Youth Cheer, a civic youth group, set up a fireworks stand in Ventura County. (Lawrence K. Ho / Los Angeles Times)

By Matt Hamilton

July 2, 2013 8:22 AM PT

High temperatures are expected to continue Tuesday across Southern California with a special heat advisory for many low-level mountain ranges.

The excessive-heat warning will remain in effect until 9 p.m. for mountains in Los Angeles, Santa Barbara and Ventura counties, where temperatures could top 100 degrees. The warning does not include L.A. County’s Santa Monica Mountains.

Mountain bikers and hikers are advised to avoid hitting the trails during the warmest parts of the day. Children, the elderly, and those with chronic ailments are advised to avoid extended exposure to the heat.

The temperature is expected to reach 86 degrees in downtown L.A., with light winds in the afternoon.

In the San Fernando Valley, high temperatures are forecast at 90 to 100 degrees. In the San Gabriel Valley, expect highs in the upper 80s or low 90s.

In Orange County, forecasters say highs will reach the low 70s along the coast and 85 to 90 further inland.

Tuesday’s warnings come after a weekend heat wave that saw record-breaking temperatures in the Inland Empire and desert communities.

On Sunday, the temperature at Death Valley National Park reached 129 degrees, an all-time high for the month of June.

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Twitter: @mattthamiltonn

matthew.hamilton@latimes.com