Forecasters warn of fire risk with rising temperatures
Scorching heat and powerful northerly winds prompted the National Weather Service to issue an urgent warning for the East Bay hills and North Bay mountains on Saturday, saying any fires that ignite could spread rapidly.
Pressure will build in the inland regions throughout the weekend, the warning said, leading to high temperatures, low humidity and strong winds. Higher elevations in Napa and Sonoma counties and the Diablo range are particularly vulnerable to the fire conditions.
A red flag fire warning issued Friday will stay in effect for these areas from 11 a.m. Saturday to 8 p.m. Sunday.