Los Angeles is forecast to receive desperately needed rain this weekend, providing relief to first responders battling four active fires in the region while also creating the risk of new hazards including mudslides,

A flash-flood watch went into effect at 10 a.m. Sunday that includes fire-scarred areas of Souther California, with forecasters boosting their predictions for rainfall that carry the risk of significant flash flooding and debris.

Southern California received some much-needed rainfall over the last two days, which helped with the ongoing wildfire fight across the Los Angeles area. However, the return of the rain triggered Flash Flood Warnings,

The second atmospheric river in a pair of storms will bring more rain and cooler temperatures to the Los Angeles area.

The wet weather will bring relief to Southern California after a prolonged period of dryness, but there’s concern that any bursts of heavy rainfall could cause flooding.