Rain fell across parts of Southern California, providing relief to firefighters battling wildfires but raising concerns about toxic ash runoff and mudslides. Despite progress in containing major fires,

Southern California is about to get its first significant rainfall in months, bringing desperately needed relief after dry conditions and hazardous winds fueled a series of wildfires in January. The rain could start as early as Saturday afternoon and last through Monday night with the heaviest rain coming on Sunday,