More than 800 homes were evacuated there.
"This will likely be the strongest and longest duration santa ana wind event we have seen so far this season", the weather service said.
Sheriff's officials said two structures had burned, but it wasn't clear what they were.
A fast-moving wildfire in Southern California has burned more than 70 square miles north of Los Angeles.
Thomas Aquinas College, a school with about 350 students, has also been evacuated, with students going to their own homes or to those of faculty and staff, the college said in a statement. Soon after, the hospital was "razed to the ground" by the fire, according to a local news report.More news: Billy Bush on infamous "Access Hollywood" tape: "Enough's enough"
"We've been here nearly 30 years we've gone through floods, gone through fires, it's just the wind, you don't know where it's going to go", added Chula Casas.
"It's always hard and somewhat risky to fly at night, so depending on different conditions and the geographic challenges is how they evaluate whether or not they can operate at night", Ventura County firefighter Jason Hodge told the Los Angeles Times.
With heightened fire danger in Southern California, San Diego Gas & Electric started shutting down power in at-risk areas including Descanso Tuesday.
The warning goes into effect at 6 p.m. Sunday and extends until 6 a.m. Monday, according to the National Weather Service in Oxnard. Pacific Time, Buschow told The Post, and has moved "unbelievably fast" since then. Some outlets reported the winds exceeded 50 miles per hour.
A firefighter works to put out a blaze in Santa Paula early on December 5.