RAPID CITY, S.D.(KBHB) – Fire officials say aerial mapping of the Schroeder Road fire has estimated its size at 1,900 acres.

As of Monday night, there is no containment on the fire and hundreds of firefighters are working the lines.

In their Monday evening update, authorities say two outbuildings and one home had been lost. Todd Tobin is with the Johnson Siding Fire Department.

Fire officials have reopened Schroeder Road to residents, but all other evacuation areas, including Westberry Trails, remain closed through the night. Other areas that remain evacuated Monday night include Cavern Road, Nameless Cave Road, Cleghorn Canyon Road, Pinedale Heights area west of Berry Pine Heights Drive, Dark Canyon and Magic Canyon Road.

Between 400 and 500 homes total have been evacuated.

The fire began Monday morning on private property on Schroeder Road. Fire Information Officer Rob Powell says it quickly skipped through a canyon and into the Westberry Canyon area.

Overnight, firefighters were engaged in the Cleghorn Canyon, Nameless Cave, and Blessed Sacrament Church areas where they will continue to patrol and secure structures and work through the night. The remaining portion of the fire perimeter was being monitored overnight as well.

Black Hills Energy on Monday night confirms that power has been restored to all customers who experienced an outage due to wildfires and high winds on Monday.