The Post Fire, a 4,400-acre wildfire near Gorman, California, has burned over 16 square miles.

The wildfire has forced the evacuation of 1,200 people.

The fire began near Interstate 5.

Hungry Valley recreation area and Pyramid Lake reservoir have been closed due to the fire.

No homes are currently threatened, but two commercial buildings have been damaged.

Strong winds are hindering firefighting efforts, with only 2% of the perimeter contained as of Sunday morning.

The cause of the fire is still unknown.

Firefighting crews are working to establish containment lines and aircraft are struggling with limited visibility.

The fire is spreading southeastward towards Pyramid Lake.

The South Coast Air Quality Management District has issued an alert for dense smoke in Castaic and Santa Clarita, advising residents to stay indoors.