So far, many clues to the origins of the deadly Eaton fire, which started in the area just after 6 p.m. that evening and went on to kill 17 people, have pointed to the brushy hillside where a tangle of electrical lines stretch up Eaton Canyon.

Concerns arose that the freeze could affect California wildfire relief, particularly that from federal agencies such as the Federal Emergency Management Agency. Trump has often criticized FEMA and has hinted at overhauling the agency.

Southern California’s first significant storm of the season brought weekend downpours that aided firefighters but caused ash, mud and debris to flow across streets in wildfire-burned areas.