Parched Southern California was forecast to face more dangerous winds on Wednesday but could get some badly needed rain this weekend, dampening the prospects of another round of killer wildfires though even a small amount of precipitation could could create new challenges like toxic ash runoff.

Southern California’s long wait for measurable rain may finally come to an end this weekend but too much water could pose a danger for the region’s recent burn areas. The storm is still a few days out but it will bring a drastic change to the weather landscape.