A colder storm is moving through western Nevada on Monday, bringing rain to the valleys and new snow to the Sierra. … Tahoe elevations could see 3 to 6 inches, with lighter amounts at lake level. … Another Pacific system is expected to reach the region by early Thursday, bringing the next round of rain and Sierra snow. A powerful atmospheric river moving down the California coast has produced heavy rain, thunderstorms and high-elevation snow, and state officials say at least six people have died in storm-related incidents over the past several days. The system is raising concerns for flooding and debris flows in areas burned by recent wildfires. Several rounds of moisture are expected to move through California into midweek, sending additional rain and snow into parts of the state. 

Other atmospheric river news:

• Los Angeles Times: Chance of more showers in L.A., with new storm set to hit Thursday
• The Modesto Bee (Calif.): Storm sweeps Modesto. See how much rain we got and what’s next in the forecast
• The Press Democrat (Santa Rosa, Calif.): As one Bay Area storm finally departs, another one thunders toward region
• CalMatters: ‘A flood on steroids’: What to know as storm, debris flows threaten LA
• SFGate: Multiple Southern California cities shatter rainfall records from 1965
• San Francisco Chronicle: California’s rule book on El Niño and La Niña is broken