UPDATE (4:05 p.m.) - Highway 154 was reopened at 2:01 p.m., according to the California Highway Patrol (CHP).
Los Padres National Forest officials say the closure was prompted by four separate brush fires that broke out near Highway 154 Saturday morning.
The fires reportedly burned half an acre collectively before they were 100% contained by 9:41 a.m.
Los Padres National Forest and the Santa Barbara County Fire Department responded to the incident.
Authorities say there were no injuries or structures damaged by the fire. There is no word yet on the cause of the blaze.
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ORIGINAL (10:55 a.m.) - A brush fire forced the closure of Highway 154 Saturday morning.
The fire was first reported shortly after 8 a.m. near Paradise Road and is reportedly burning in the Los Padres National Forest. Highway 154 is closed between Highway 192 in Santa Barbara and the Highway 246/154 roundabout in the Santa Ynez area.

According to Caltrans, there is no estimate on reopening.
Drivers can use Highway 101 as a detour.
Updates on the status of the fire have not been provided. Cold Spring Tavern posted on social media that it would be closed Saturday due to the fire.