A fast-moving wildfire raged across thousands of acres of California prairie near the Nevada border on Friday, while Los Angeles was in the throes of back-to-back storms that could trigger flooding and mudslides in areas scarred by January's devastating wildfires.

A powerful atmospheric river had mostly moved through California after causing at least six deaths and dousing much of the state, but lingering thunderstorms brought the risk of mudslides in areas of Los Angeles County that were recently ravaged by