As the relentless Santa Ana winds sweep through, a new fire threat emerged in Jurupa Valley, leaving residents on edge and firefighters racing against time.

Several counties in Southern California faced "critical" fire risks this week, according to an AccuWeather forecast.

A brush fire broke out in the Santa Ana River’s bottom in the Jurupa Valley area just before 5 p.m. Tuesday, Jan. 21, burning 39 acres before firefighters late that night stopped the blaze from spreading. As of Wednesday morning, Jan. 22, containment was at 45%.

The Santa Anas are expected to be most powerful Monday night into Tuesday. Fire services across the region say they are ready.

A rare Particularly Dangerous Situation warning has been issued for Southern California as a powerful and potentially damaging Santa Ana wind event​ is expected.

Multiple counties in Southern California were under red flag warnings from the NWS early Monday, with the service warning of yet another round of Santa Ana winds.

Santa Ana winds return to Southern California from Monday to Tuesday, once again raising fire danger concerns.

Critical fire conditions are expected to continue through Friday. But rain could be on the way this weekend. Here's what to know.

As another round of wild Santa Ana winds threatens Southern California this week ... continue through the day into the early evening. In Riverside County, Steward said, the mountain and valleys ...

RIVERSIDE COUNTY, Calif. - A fire broke out in Jurupa Valley as the Santa Ana winds continued to linger around Southern California.

The Clay Fire was one of several fires that broke out in Southern California Tuesday as parts of the region sees red flag warnings through Thursday.

As wildfires continued to burn in Los Angeles, three fires broke out in San Diego County, prompting evacuation orders and warnings.