The fire forced the evacuation of Mayer and Dewey-Humboldt along with several other communities, and one of the main roads into Prescott was closed.
As of Wednesday evening, the Goodwin Fire is at about 21,000 acres burned with 1 percent containment. "I'm feeling good", said Todd Abel, Southwest Area Incident Management Team Operations Section chief.
Firefighters hope to put areas with intense blazes at the fire's southern end so residents can return to homes in the town of Brian Head.
Evacuations remain in Mayer and other towns as firefighters battle a blaze that's about burned 32 square miles (83 square kilometres ) of dense shrubbery.
The fire is burning in communities around Prescott, a mountain city about 100 miles (160.9 kilometres ) north of Phoenix.
Diane Souder, a spokesperson for the fire, said Tuesday at 5:50 p.m. MDT resources working on the fire included 2 air tankers, 4 helicopters, 29 engines, and 525 personnel.
On California's Central Coast, evacuation orders remain in place for sparsely populated rural areas of San Luis Obispo County east of the town of Santa Margarita due to a almost 2-square-mile (5 sq. kilometer) fire.
Today's declaration directs $200,000 of emergency funds to the fire suppression efforts and makes eligible reimbursements for emergency response and recovery costs.
The second call released is from someone who says they are trying to fight the fire, "but it's getting out of control".More news: Microsoft patches XP again after "past and threatened nation-state attacks"
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A 400-acre (162-hectare) fire in Mariposa County on the western Sierra foothills is 10 per cent surrounded.
Arizona is now getting hit the hardest with a total of six fires burning, including the Goodwin fire near Prescott National Forest.
Elsewhere across the western USA, a fire in the foothills north of Los Angeles was burned right up to homes before the blaze was beaten back. The fire was ignited by a weed-burning torch.
"It's scary because we're coming up on the four-year anniversary of the Yarnell Hill fire - there's still a lot of fresh memories", said Arizona state Sen.
Firefighters are establishing a perimeter around Mayer, a town of 1,400 residents.
The blaze has grown to 2.5 square miles (6.5 sq. kilometers) since it broke out outside San Luis Obispo on Monday afternoon.
Yavapai County spokesman David McAtee says about 3,400 people in the area have been affected by the fire and roughly 3,000 structures in the evacuated areas were at risk.
"Dry and gusty red flag conditions resulted in extreme fire growth in steep and rugged terrain", the agency said in statement.