UPDATE: Hathaway Fire NE of Banning Now 80 Percent Contained

Update 8:40 p.m. The Hathaway Fire smoldering in mountains northeast of Banning was 80 percent contained as of 7 p.m. Tuesday June 18, according to incident commanders in Beaumont.

The size of the fire's burned area, 3,807 acres, remained unchanged Tuesday evening. There were 596 personnel assigned to the fire just before sundown.

Ten firefighters have been injured fighting the fire in the rugged San Gorgonio Wilderness since the blaze broke out Sunday June 9 on the Morongo Indian Reservation, according to incident commanders.

The cause of the fire remained under investigation.

Posted 9:50 a.m. The 3,800-acre Hathaway Fire in mountains northeast of Banning was considered 78 percent contained as of 7 a.m. Tuesday June 18, according to incident commanders in Beaumont.

Gusty southwest winds were expected later Tuesday with gusts up to 40 miles per hour, according to forecasters assigned to the fire. Temps in the mid 80s were expected Tuesday afternoon with humidities of 10 to 20 percent.

There were 749 personnel assigned to the fire Tuesday morning. Full containment was still expected by June 25, one week from today, according to incident commanders.

The size of the fire's burned area, 3,807 acres, remained unchanged for the second consecutive day.

"The release of excess resources will continue as needed to achieve resources and suppression objectives of the incident," Forest Service and other agency officials said in their Tuesday morning update.

As of Monday, the total estimated cost to date for fighting the Hathaway Fire since June 9, including firefighters, aircraft, retardant, fuel, logistics, support, and incident command, was $9,312,000, Forest Service spokesman Bob Poole told Banning-Beaumont Patch.

Nine firefighters have sustained minor injuries. The Hathaway Fire broke out just before noon Sunday June 9 on the north edge of the Morongo Indian Reservation and burned north into the mountains. The cause of the fire was said to be under investigation.

The target date for full containment of the Hathaway Fire has been set for June 25, but incident commander Don Garwood released a letter addressed to the public on Thursday stating "There is no way of knowing exactly when we will finish our work."

To read previous Banning-Beaumont Patch coverage of the Hathaway Fire click the following links:

UPDATE: Hathaway Fire Cost to Date Estimated $9.3 Million, 73 Percent Contained

Hathaway Fire NE of Banning Remains at 3,807 Acres, Now 63 Percent Contained

UPDATE: Hathaway Fire NE of Banning Now Estimated 3,816 Acres, 52 Percent Contained

UPDATE: Hathaway Fire Burns Fuel Near Whitewater River, Now Estimated 3,596 Acres

Hathaway Fire Camp Prompts Venue Change for 4th Annual Ho'olaule'a to Beaumont Sports Park

UPDATE: Hathaway Fire NE of Banning Estimated 3,520 Acres, 43 Percent Contained

PHOTO GALLERY: Hathaway Fire Helicopter Pilots Take on Retardant, H20 at Sundown

UPDATE: Hathaway Fire NE of Banning Grows to 3,130 Acres, Estimated 40 Percent Contained

UPDATE: Fire NE of Banning Grows to 2,372 Acres, Estimate 30 Percent Contained

UPDATE: Mountain Blaze NE of Banning Estimated 1650 Acres, 25 Pct Contained

Beaumont's 'Movies Under the Stars' Canceled Due to Hathaway Fire Near Banning

UPDATE: Fire NE of Banning Grows to 1,500 Acres, Concern for 'Significant Growth Potential'

Banning Woman with Family on Morongo Reservation: 'My Rez is on Fire'

Fire NE of Banning Grows to 1,300 Acres, Smoke and Aircraft Visible in Redlands

Agencies on the fire include the U.S. Forest Service, Cal-Fire Riverside County, California Department of Corrections and Rehabilitation, the Morongo Band of Mission Indians, and Morongo Tribal Bureau of Indian Affairs. Fire camp remained at Noble Creek Park in Beaumont.