A red flag fire weather warning will be in effect from 8 a.m. Monday to 10 p.m. Tuesday for areas generally east of Interstate 15

Parts of San Diego County will be dealing with more Santa Ana winds starting Monday afternoon, and the fire weather conditions could mean potential San Diego Gas & Electric power shutoffs for many communities.

San Diego Gas & Electric shut off power to nearly 900 customers early Tuesday to help reduce the chances of triggering wildfires as the latest Santa Ana windstorm moves through parts of San

With the Santa Ana winds blowing across San Diego, for many residents in the East County that means power shutoffs. Thousands of San Diego Gas and Electric customers were without power Friday and even earlier in the week. While it's an inconvenience, it's an adjustment many of them have had to make.

San Diegans are bracing for potential public safety power shutoffs Tuesday as a new round of strong Santa Ana winds are expected to develop, setting the stage for potentially critical fire danger in the county.

Finally, weather conditions in San Diego County are expected to shift late this week as an upper low-pressure system moves in from the Pacific Thursday afternoon into early Friday, according to the National Weather Service.

Forecasters say the moisture will do virtually nothing to tamp down the threat of wildfires in a region starving for rain.