RIVERSIDE COUNTY, Calif. - The operation of lightning and an expanding drought successful California has helped ignite dozens of caller blazes arsenic the authorities moves deeper into highest occurrence season.
Fire officials said astir of the caller enactment has erupted on the Sierra Nevada and crossed the confederate fractional of the Golden State.
One of the newest fires, known arsenic the Pyrite Fire, erupted successful the Jurupa Valley betwixt Los Angeles and Riverside.
The blaze, reported to person started connected Friday, forced evacuations and scorched astir 500 acres successful Riverside County.
While firefighters were capable to dilatory its maturation connected Saturday, officials said the authoritative origin remains nether investigation, with nary important reported injuries.

Wildfire burns successful Riverside County, CA.
(Cal Fire / FOX Weather)
STUDY FINDS WILDFIRES IN WESTERN US ARE GROWING FASTER, CAUSING MORE DAMAGE
Farther north, 1 of the largest progressive wildfires is known arsenic the Salt 14-2 Fire, burning successful Fresno and Monterey counties.
The blaze scorched much than 22,000 acres, and the terrain has made it hard for crushed crews to scope blistery spots, forcing crews to trust heavy connected aerial tankers to driblet water.
Firefighters study making advancement successful the Sierra foothills, wherever aggregate lightning-sparked blazes formed what was called the TCU September Lightning Complex.
The analyzable burned astatine slightest 14,000 acres and threatened tourer destinations successful California’s historical Gold Country.
Officials estimated containment has reached astir 50 percent, but they cautioned that gusty winds could origin the occurrence to turn again.
More than 16,000 lightning strikes were reported crossed the Golden State during the Labor Day week, and erstwhile coupled with an intensifying drought, made for premier occurrence growth.
According to the latest U.S. Drought Monitor, much than 70 percent of California is considered "abnormally dry," with astir 40 percent officially successful drought status.
Other parts of the West are facing adjacent much extended drought conditions, which expanded implicit the summertime with a deficiency of precipitation.
Portions of the Pacific Northwest and Desert Southwest are dealing with exceptional drought conditions, the astir terrible class of dryness, leaving vegetation similar a tinderbox.
(FOX Weather)
Despite the surge successful occurrence activity, firefighters reported lone minimal harm to structures.
So acold for the year, Cal Fire reports that astir fractional a cardinal acres person burned, destroying much than 16,000 structures and claiming the lives of astatine slightest 31 radical - astir occurring during January's unprecedented firestorm successful Los Angeles County.
The highest of wildfire play successful the authorities typically runs into October, but officials pass that important enactment tin hap year-round.

Cal Fire wildfire representation from 9/6/2025
(Cal Fire / FOX Weather)