the sand fire was a wildfire that burned in the area of rumsey northwest of guinda in yolo county, california in the united states. the fire started on saturday, june 8, 2019 at county road 41 and highway 16 and burned as well as seven structures. the fire was fully contained as of 7:27 am on june 15, 2019. the cause of the fire remains under investigation. the fire was the first major incident of the season, in what fire officials claimed to be an indicator of the fire season to come.