Mammoth Fire Update – 6/10/2021

Containment – 19%
Size – 708 acres
Cause – Lightning

Yesterday’s Operational Shift

  • Wednesday saw Red Flag conditions with winds gusting to 40 mph, low humidity, and severe ongoing drought
  • Fire crews, engines, and dozers continued direct suppression tactics, securing fire lines, and mopping up along the fire perimeter to safeguard Mammoth Creek Village
  • A hose lay was installed in the upper Tommy Creek area, assisting fire crews with knocking down heat along the fire’s edge
  • Firefighters also concentrated efforts on the southeast edge of the fire in preparation of today’s expected winds

Today’s Operational Expectations

  • Firefighters will create more depth along fire lines in preparation for changing winds this afternoon
  • Crews will continue mop-up efforts, using water from hose lays to extinguish pockets of heat and keep the fire in its current footprint to further secure the fire line protect Mammoth Creek and Tommy Creek subdivisions
  • Hazard trees will be felled near structures and along roads
  • Windy conditions may hamper use of helicopters
  • Community and firefighter safety are top priorities for both Team 5 and the National Forests

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
  • Note there is no through access on Forest Highway 50 / Mammoth Highway 

Fire Resources

  • 260 personnel, 6 crews, 23 engines, 2 water tenders, 1 dozer, 4 helicopters


Red Flag conditions will continue through 10 p.m. tonight.  The most critical fire weather is expected in the afternoon as a dry, cold front moves in, with potential wind gusts up to 35 mph, and winds shifting to the west/northwest.  A warming trend will follow the cold front, bringing record-breaking temperatures by Monday.  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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