LOS ANGELES (NEWSnet/AP) — A storm that parked itself over Southern California for several days is expected to move out of the region after a final drenching Wednesday.

Authorities warned of the continued threat of collapsing hillsides.

One of the wettest storms in Southern California history unleashed at least 475 mudslides in the Los Angeles area after dumping more than a foot of rain in some areas.

The weather-front began to relent Tuesday. Evacuation orders were lifted for homes in flood- and slide-prone areas.

A dry-out is expected to begin Thursday and the area could have a sunny weekend.

After back-to-back atmospheric weather systems walloped California in less than a week, it wouldn’t take much for water, mud and boulders to sluice down fragile hillsides, experts warn.

Even if rainfall is light, the ground is saturated and cannot hold any more water, said Tyler Kranz, meteorologist at National Weather Service.

No deaths have been reported from the slides.

Los Angeles Mayor Karen Bass said the city is looking toward helping people recover from the weather’s pounding. Officials will seek federal emergency money to help move homeless people out of shelters and to aid owners of damaged homes if insurance companies won’t cover the losses, she said.

As the latest weather front moved eastwar, it prompted warnings across the state line.

Parts of northern Arizona were under a winter storm warning through 5 p.m. Wednesday and a wide swath of west-central Arizona, including Phoenix, remained under a flood watch until Thursday morning.

National Weather Service in Flagstaff said more than a foot of snow is possible in the upper elevations around Grand Canyon.

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