The NWS San Francisco CA issued an updated frost advisory at 4:12 a.m. on Friday valid for Saturday between 1 a.m. and 9 a.m.

and Southern Salinas Valley/Arroyo Seco and Lake San Antonio from 1 a.m. to 9 a.m. Monday. "Cold conditions will be hazardous to sensitive populations such as unhoused individuals. Cold Conditions ...

Southern Salinas Valley/Arroyo Seco and Lake San Antonio and Santa Lucia Mountains and Los Padres National Forest as well as Monterey County. The NWS states, "Sub-freezing temperatures as low as ...