Update 7:27 a.m.: The Shell Fire continues to burn on HWY 58 and Shell Creek Rd. east of Creston. The Fire is now at 100 acres with 60% containment according to Cal Fire SLO.
Highway 58 is closed at Shell Creek Road due to fire. No estimated time of reopening.
Cal Fire says the potential for the fire is 300 acres, but no immediate structures are threatened at this time.
The cause of the fire is currently under investigation.
Updates to follow.