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.
Work has begun on a project at Folsom Dam to install backup pumps in case the level of Folsom Lake drops significantly.
California regulators have fined 30 oil and gas operators for failing to report how much water they’re using.
There were no changes in the intensity of drought in California over the past week and El Niño is not expected to end the state's historic drought.
California water regulators accuse company of illegally diverting water that is later trucked, bottled, and sold in stores.
The drought is changing the size and flavor of California's fruit.