
SAN FRANCISCO (KCBS RADIO) – Eleven Bay Area cities broke records on Labor Day as sweltering temperatures bore down on the region, but Tuesday may be even hotter, weather experts warn.
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On Tuesday, the high pressure dome sitting over the Bay Area is expected to expand and strengthen, causing temperatures to spike five to ten degrees higher than Monday.
"For the North Bay we're looking at temperatures of about 108 to 110, for San Jose we're looking at about 106, Gilroy we're looking at about 112 and for Concord and Livermore we're looking at about 115 to 118," National Weather Service Meteorologist Drew Peterson told KCBS Radio.
Walnut Creek had a high of 111 degrees on Monday, while Livermore hit 116 degrees, setting the record as the hottest temperature ever recorded in the city. Recordings taken from the San Francisco Airport, Oakland, San Jose Airport, Salinas, King City, Redwood City, Napa, Gilroy and Santa Rosa also showed daily record highs.
An excessive heat warning has been issued Tuesday for the coastal mountains of Marin, the San Francisco Bay shoreline, Salinas Valley and the Santa Cruz area.
Officials are reminding people to stay indoors if possible, ideally in air conditioned areas and to stay hydrated.
"A lot of people don’t get enough water and probably the biggest worry is when people do go out and they get dehydrated, a lot of times they aren’t even aware," a Bay Area resident said.
It's been just over one year since a family of three died while hiking in Mariposa County from extreme heat stroke.
Relief from the heat dome isn't expected until the weekend.
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