As of 8 p.m. Monday, the fire was considered 0% contained. The blaze threatened as many as 100 structures, including ranches and homes, fire officials said.
An evacuation order was ordered by the Santa Barbara Sheriff's Office for the Arroyo Hondo Canyon and Refugio Canyon areas, west of Goleta as a result of the wildfire, according to county officials.
As of Monday afternoon, the fire was burning toward the Tajiguas Landfill with winds from the northwest at 30-35 mph. No cause for the fire was known before 6 p.m., said Andrew Madsen, a national forest spokesman.