(BCN) -- As a heat wave ramps up around the Bay Area on Monday, an excessive heat warning is in effect for much of the region and forecasters also have issued a fire weather watch for parts of Monterey County that starts Wednesday. Dangerously hot conditions are expected, with inland temperatures up to 110 and highs of 95 along the coast, according to the National Weather Service. Overnight lows will range from the lower 70s to lower 80s. Some PG&E customers in Bay Area may be affected by power shutoffs during heat wave The excessive heat warning, effective through 11 p.m. Wednesday, covers North Bay interior areas and coastal ranges; the San Francisco Bay shoreline; interior East Bay areas; Santa Clara County; the Santa Cruz Mountains; and interior Monterey County. A heat advisory has also been issued for other parts of the Bay Area, including coastal areas, through 11 p.m. Wednesday. A fire weather watch has been issued for parts of Southern Monterey County, from 6 a.m. Wednesday until 8 p.m. Thursday. "Critically dry fuels and gusty offshore winds will lead to increased chances for fire starts and fire spread," the weather service said. During the heat wave, people and pets should not be left in cars without air conditioning, and outdoor activities should be limited for those who are sensitive to heat, and people should stay hydrated. Copyright © 2024 Bay City News, Inc.