Mammoth Fire Update – 6/11/2021

Containment – 40%
Acres Burned – 709
Cause – Lightning

Yesterday’s Operational Shift

  • Fire lines were wind tested yesterday. Very gusty winds of 40-50 mph occurred over the fire ahead of a cold front.
  • The fire stayed in the current footprint despite the wind event. Containment on the north and east perimeter of the fire was achieved.
  • On the south and west perimeter, fire crews used water from hoses to mop-up pockets of heat from the fire perimeter inward to increase depth and secure fire lines.
  • Crews completed felling hazard trees and dead trees, snags, along Forest Road 476.

Today’s Operational Expectations

  • On the south and west edge of the fire, crews will continue to mop-up pockets of heat.
  • Felling of snags and other hazard trees will occur near structures and along Forest Road 464.
  • Crews will continue to backhaul hose and begin fire suppression repair from areas of the fire where containment has been achieved.

Evacuations, Fire Restrictions & Closures

  • Mammoth Creek Village remains evacuated; contact the Garfield County Sheriff’s Office for additional information (435) 676-2678.
  • Stage 1 Fire Restrictions are in effect for the Dixie National Forest.
  • The Dixie National Forest has implemented a Closure Area for roads, trails, and lands surrounding the Mammoth Fire.
  • View the Closure Order Map

Fire Resources

  • 300 personnel, 6 crews, 20 engines, 2 helicopters, 4 water tenders, 1 excavator


The coming days will see significant warming, with the area expected to reach record-breaking temperatures by the middle of next week and very low relative humidity. More than 90% of Utah, the Arizona Strip, and the lower third of Nevada are experiencing extreme drought, with parts of Utah facing dry fuel conditions not seen since the Dust Bowl era of the 1930s.

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