Dry, hot winds fueled both blazes, which have collectively charred almost 400 square miles of brush and timber.
Two firefighters and four other people have been killed since the blaze, which ignited July 23, raced with extraordinary fury toward the region's largest city.
"It's pretty doggone hot and dry and it's going to stay that way", Hurley said early Monday.
California Gov. Jerry Brown (D) on Saturday said he was confident Trump would send aid.
Saudi Arabia expels Canadian ambassador, freezes new trade with country
The tweet was later shared on the Canadian Embassy in Saudi Arabia's twitter page, which appears to have further stoked tensions. Raif Badawi's wife Ensaf Haidar lives in Canada and recently became a Canadian citizen.
He has been identified as Jairus Ayeta, who was in his 20s and worked as an apprentice lineman.
Ayeta died when his vehicle crashed as he worked with crews in unsafe terrain to battle in Shasta County. The fires had grown to cover about 229,000 acres (82,675 hectares) by Saturday night, and were considered 32% contained, according to the California forestry and fire protection officials (Cal Fire).
Two blazes known as the Mendocino Complex are raging around Mendocino, Lake and Colusa counties, about 90 miles (145 km) north of San Francisco.
Since 2008, California has experienced nine of the top 20 most destructive wildfires in its history in terms of structures burned, according to a CalFire report. At least 89 structures have been destroyed, half of which were residential homes, and about 9,200 remain under threat.
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Gunfire was heard downtown throughout the afternoon, including near the ruling party headquarters where protesters had gathered. Three people were killed in Zimbabwe's capital Harare after troops opened fire on rioting opposition supporters, police say.
An air tanker was deployed in Mendocino County, California, on August 2 to help contain wildfires that have burned over 150,000 acres of land and vegetation. In addition to the Shasta declaration, Brown's office said FEMA was considering requests for disaster declarations for Lake, Mendocino and Napa counties "on an expedited basis". The men when contacted by deputies were watering their marijuana plants, the posting said.
The president also called for clearing trees to stop the fires from spreading.
In the Sierra Nevada, firefighters achieved 41 percent containment of a 115-square-mile (298-square-kilometer) forest fire that has shut down Yosemite Valley and other adjacent portions of Yosemite National Park at what is normally the height of summer tourism.
A wildfire burning in Tuolumne County in Northern California grew dramatically Sunday and led to more evacuation orders, the Sacramento Bee reported.
Trump drums up support in OH ahead of special election
Mark Sanford of SC , have lost. "Suburban women in particular here are the ones that are really turned off", Kasich said . Trump relished playing the role of Republican kingmaker, bragging how the GOP candidates he's opposed, like Rep.