3:40 p.m. UPDATE: PG&E said it will turn off power to approximately 26,900 customers in the Sierra Foothills Saturday night.

Crews have also started safety inspections for the 1,600 customers whose power was turned off early Saturday morning.

READ MORE: Gordon's Late Basket Helps Rockets Hold Off Kings 118-112

The utility expects to begin cutting power in the Sierra Foothills around 9 p.m. Saturday night.

Areas where power will be shut off:

  • Butte County: Portions of Paradise, Oroville, Bangor, Forest Ranch, Chico, Berry Creek, Palermo
  • Yuba County: Portions of Browns Valley, Oregon House, Marysville, Wheatland, Rackerby
  • Nevada County: Portions of Auburn, Grass Valley, Smartville, Rough and Ready, Penn Valley
  • El Dorado County: Portions of Pilot Hill, Greenwood, Georgetown, Cool
  • Placer County: Portions of Lincoln

2:30 p.m. UPDATE: PG&E said there are more than 1,800 customers in the Winters and Lake Berryessa areas without power.

Customers in the foothills have not cut power yet.

YOLO COUNTY (CBS13) — PG&E began shutting off power to some parts of Yolo and Napa Counties Saturday morning, affecting more than 1,700 customers in southwest Winters and the Lake Berryessa area.

READ MORE: MLK Jr. Celebration Unites People, Tackles Racial Injustices

The first wave of outages began around 6 a.m. Saturday, initially affecting a few hundred customers, and a second came around 9 a.m.

READ MORE: PG&E Warns Of Power Shutoffs To Lower Wildfire Risks This Weekend

The utility said once power is restored, it could be multiple days until it actually comes back on for everyone since crews have to inspect power lines to ensure safety.

Many parts of Northern California, including the North Bay and the Sierra foothills, are under a Red Flag fire warning through Sunday. The areas are expected to see increased fire danger with high winds and relatively low humidity.

Areas in Yuba County including Marysville and Wheatland, as well as Lincoln in Placer County may also have their power cut as a precaution.

READ ALSO: How Is Cal Fire Staffing For Wildfires?

MORE NEWS: Two Shot In Elk Grove Near Heathermist Way and Fallbright Way

For the Sierra foothills, there is the potential for a Public Safety Power Shutoff affecting about 21,000 customers starting around 9 p.m. on Saturday with the peak period of fire risk lasting until 10 a.m. on Sunday, PG&E said.