On Wednesday at 12:43 p.m. the NWS San Francisco CA issued an updated heat advisory in effect until Friday at 8 p.m. The advisory is for Marin Coastal Range, Sonoma Coastal Range, North Bay Interior Mountains, Coastal North Bay Including Point Reyes National Seashore, North Bay Interior Valleys, San Francisco Bay Shoreline, San Francisco Peninsula Coast, East Bay Interior Valleys, Santa Cruz Mountains, Santa Clara Valley Including San Jose, Eastern Santa Clara Hills, East Bay Hills, Southern Salinas Valley/Arroyo Seco and Lake San Antonio, Santa Lucia Mountains and Los Padres National Forest, Northern Salinas Valley/Hollister Valley and Carmel Valley, Northern Monterey Bay and Big Sur as well as San Francisco and Monterey counties.
