The Pacific Gas & Electric Co. began shutting off electricity Monday in three of 11 counties threatened by high fire danger — the first of the deliberate outages were made in the Sacramento Valley but could grow across Northern California amid forecasts of “unseasonably hot” temperatures, high winds and dry conditions.

Tuolumne County is expected to see the worst of the incoming weather conditions this weekend. Pacific Gas and Electric (PG&E) is already planning to cut power to nearly 4,000 customers there to reduce fire risk.

PG&E is preparing to intentionally cut power as early as Thursday to thousands of customers in California to reduce hazards from power lines amid heightened wildfire risk, the utility company said. The move could leave up to 28,

PG&E, California’s largest utility provider, has warned upwards of around 32,000 customers in northern and central parts of the Golden State that they could see their power shut off in an effort to reduce the wildfire risk from energized equipment and power lines.

PG&E is now warning customers across its service region of likely power shutoffs in the coming days as concerning weather moves into Northern and Central California.

As many as 28,000 customers could be affected through the weekend, PG&E said in a statement Tuesday night after activating its PSPS advisory page. “Given the forecasted strong winds and current dry vegetation conditions,