A powerful storm system dumped 2 feet of snow to the Sierra mountains over the course of a few hours overnight, the National Weather Service said Thursday. And weather conditions were conspiring to bring even more snow to the Tahoe region: While snow was expected to taper off on Thursday,

Northern Nevada's warm start to the week turned wet and cold Wednesday, with storms continuing through the work week.

The same storm system driving severe weather elsewhere in the country this week is fueling one of the most widespread and potent rounds of rain in Southern California since the historic January fires.

A flood watch remains in effect Thursday for parts of Southern California as the region experiences rainfall and flooding conditions.

Evacuation warnings and orders have been issued for Los Angeles communities near the Eaton, Palisades and Sunset fire burn zones ahead of the rain.