With even more rain and snow predicted to hit Lake Tahoe on Friday. Officials warn of dangerously heavy snow on homes.

For decades, Californians have depended on the reliable appearance of spring and summer snowmelt to provide nearly a third of the state's supply of water. But as the state gets drier, and as wildfires climb to ever-higher elevations, that precious snow is melting faster and earlier than in years past — even in the middle of winter.

Hurricanes have dominated weather news lately. When it snowed on Thursday in the Sierra Nevada, it not only added a new weather element to the news mix, it got resorts thinking about ski season.