Rain in Southern California is expected to help firefighters responding to multiple wildfires, but potentially heavy rain on burned hillsides could cause toxic ash runoff.

After weeks of windy and dry weather, rain has fallen in parched Southern California and is expected to aid firefighters who are mopping up multiple wildfires. But potentially heavy downpours on charred hillsides could bring new troubles such as toxic ash runoff.

California's deadly wildfires could come to an end in the coming days when a weekend storm douses historically dry terrain, but the storm will come with the potential for a different problem: flash floods.

With trees and buildings already damaged by Storm Eowyn, there is greater risk than normal from Storm Herminia, with weather warnings in place into next week.

The Met Office weather maps show when and where Wales is set to be hit by heavy rain, hail and winds with multiple weather warnings in place