It's welcome news for the state, which has just endured its driest year in recorded history.
While the rain won't be enough to end the drought, the National Weather Service projects that by Saturday, twin Pacific storms may bring as much as two inches of rain to the coast and several feet of snow to the Sierra.
The first storm is expected on Wednesday and will offer light rains.
But the storm on Friday is expected to drench the entire state for 24 hours.
(AP) - The latest figures show Californians' water use is still on the rise since the state lifted mandatory conservation for the drought.
(AP) - President Barack Obama has signed a bill authorizing water projects across the country, including $170 million to address lead in the drinking water in Flint, Michigan, and $558 million to provide relief to drought-stricken California.
Rivers in the Sacramento area were reaching levels not seen in a decade on Thursday night.
California state agencies have released a long-term plan for water conservation. The proposal makes permanent some emergency water conservation measures already in place to deal with the state’s drought.
California regulators hear from residents and farmers concerned about a plan to provide more water for threatened fish in the San Joaquin River and its tributaries.