The second storm, forecasters say, could bring thunder and dump up to 2 inches of rain in central and southern valleys, 2 to 4 inches in the foothills and up to 6 inches in some mountain spots.
State water officials plan Thursday to survey the anemic mountain snow pack, and will likely find that California's precipitation is badly lagging what's needed to quench the region's thirst. 2013 was California's driest year on record.
In Nevada, the first of back-to-back storms dropped several inches of snow at Lake Tahoe and up to a foot and one-half on the mountain ridges.
A winter weather advisory was put into effect from 4 p.m. Wednesday to 10 a.m. Thursday for the Reno-Tahoe area, south to Mammoth Lakes.
The second wave of wetter weather begins Friday night into Saturday.
California remains deep in a drought, but a steady string of wet weather is making it look and feel replenished.
California is getting more rain Monday morning, but the two storms moving through the region aren't packing the wallop delivered by last week's major storm.
The storm has caused water levels to rise in the state’s reservoirs. But the rain won’t do a lot to improve the state’s water supply.
From the coast to the valleys and Sierra Nevada, Northern California is forecast to be walloped by a storm with near hurricane-force winds, rain and snow. The storm is forecast to be the biggest storm to hit the region since 2008.
Get ready for the biggest storm in years to pelt the Sacramento region. Forecasters are predicting light showers by Wednesday night.