Sierra Front says Truckee Meadows Fire Protection District, NDF and BLM crews are at a wildfire in the Moon Rocks recreation area. 

The 871-acre Warm Springs Fire was reported just before 1 p.m. on Tuesday near Winnemucca Ranch Road. It's now 90% contained. 

There's no immediate on how the fire started. Sierra Front says there is a possible threat to structure within one mile of the fire.  

The fire is burning in grass and brush.