A conflagration at Jurupa Valley that had grown to 110 acres and threatened homes Saturday had been 85 percent under control through Monday morning, Cal Fire said.

Crews are further strengthening containment of the fire in and around the Santa Ana riverbed, authorities said.

A follow-up facility at Patriot High School has been opened for residents south of Lemonite Avenue with an evacuation ordered Saturday.

But the order was downgraded hours later to a evacuation warning, and all warnings were withdrawn by Sunday morning when the fire in northwestern Riverside County was 40 percent contained.

By Sunday night, 65% of the fires in northwest Riverside County had been contained, authorities said.

The fire was reported in the riverfront at Indian Camp Road and Candle Light Drive near Jurupa Hills Country Club on Saturday, June 25 around 3.50pm.

The reason for the fire is still under investigation.

Thomas Fire

The Thomas Fire was a massive wildfire that affected Ventura and Santa Barbara Counties, and one of multiple wildfires that ignited in southern California in December 2017. (wikipedia)

Camp Fire (2018)

The Camp Fire was the deadliest and most destructive wildfire in California’s history, and the most expensive natural disaster in the world in 2018 in terms of insured losses. (wikipedia)

READ MORE:  Governor Newsom signs 24 bills totaling $15 billion to combat climate change in California