UPDATE (7:40 PM): Glen Fire now under control, but crews remain on scene mopping up.
According to the City of Goleta, the Santa Barbara County Sheriff's Office evacuated 20 homes.
Santa Barbara County Fire is working with the National Weather Service to assess wind direction and speed.
The cause of the fire is under investigation.
UPDATE (5:30 PM): Fire officials say forward progress stopped after air tankers made drops on both flanks. Crews will remain on scene to mop up.
UPDATE (5 PM): Santa Barbara County Fire says air attacks are holding the Glen Fire, but it has the potential to grow to 10 acres. The vegetation fire is located in Los Padres National Forest.
The Glen Fire broke out at around 4:04 P.M. in Goleta between Glen Annie Road and Winchester Canyon.
Santa Barbara County Fire reports the blaze is now five acres and is spreading at a moderate rate.
The fire is slope driven in the foothills.
Crews are on scene assessing the best way to access the vegetation fire.
According to Santa Barbara County Fire, air resources have been requested.
This is a developing story.