In the city of Santa Barbara evacuations were ordered in the area east of Hwy 154 to Mission Canyon Rd and north of Hwy192 to East Camino Cielo. In the Montecito and Summerland Area, residents south of Hwy 192, North of Hwy 101, West of ToroCyn, East of Summit Rd & Country Club. In both Santa Barbara and Montecito, evacuations were in place north of Alameda Padre Serra/Hwy 101, south of Hwy 192, east of Mission Canyon Road, & west of Hot Springs & Summit Road.
"Residents should leave immediately," Santa Barbara County officials tweeted.
MANDATORY EVACUATION ORDER: Montecito and Summerland area north of Alameda Padre Sierra/South Salinas Street and Highway 101, south of 192, east of Mission Canyon Road, and west of Hot Springs/Summit Road. Residents should leave immediately. #ThomasFire #SantaBarbaraCounty— Santa Barbara County (@countyofsb) December 16, 2017
The northbound 101 Freeway at Seacliff was closed between Ventura and Santa Barbara due to increased fire activity, Ventura County fire officials said. Drivers were asked to use 5 Freeway as an alternate route.
Cal Fire officials also confirmed all mandatory and voluntary evacuation orders in the city of Ventura have been lifted.
The evacuation orders come as fire crews gain some ground on the fire, which has reached 40 percent containment, Cal Fire officials said. Full containment is expected to be reached Jan. 7.
The blaze is still threatening about 18,000 structures as it surges through Santa Barbara and Ventura counties.
The cost associated with battling the fire is $103,912,000 so far, according to Cal Fire.
VIDEO: Aerial footage shows before-and-after look at destruction from Thomas Fire
Since breaking out on Dec. 4, the Thomas Fire has burned 259,000 acres and has destroyed more than 1,000 structures. It's now believed to be the third largest wildfire in California history.
The fire claimed the life of a firefighter on Thursday. The firefighter was identified as Cal Fire San Diego Unit Fire Apparatus Engineer Cory Iverson, according to Cal Fire Director Chief Ken Pimlott.
PHOTOS: Thomas Fire devastates Ventura County
The winds have also shifted, and smoke from the fire is moving down into Simi Valley and the San Fernando Valley. Meantime, a red flag warning issued Saturday morning will be in effect for several Southern California areas until at least Sunday at 8 p.m.
MORE: Latest Southern California forecast
Fire weather combined with high fuel loading, low fuel moistures and single-digit relative humidities will continue to support fire growth in the west, east and north sides of the Thomas Fire, Cal Fire officials said, prompting areas of concern above the coastal Santa Barbara County communities of Matilija Wilderness, Rose Valley, and Sespe river drainage north of Fillmore.