Southern California’s first full rainy day of the winter has arrived. The day, months in the making, has brought steady storms across the region while the Southland experiences drought conditions. The mostly welcome rain began Saturday night and is expected to sustain until Monday evening.

Rain was falling across Southern California on Sunday, bringing some relief to thousands of firefighters battling multiple major blazes for nearly a month in the Los Angeles area, but also prompting new threats of floods and mudslides across burn-scarred lands.