The National Weather Service has updated its predictions for Friday’s upcoming storm, which will likely last into early next week. Between Friday and Sunday, the NWS is forecasting that the Sacramento Valley from Redding to Sacramento can expect to see 2 to 4 inches of rain.

The National Weather Service has issued a Flood Watch for parts of Northern California, including areas from the Shasta Lake region to the Central Sacramento Valley, from Friday afternoon through

National Weather Service meteorologists earlier this week predicted that much-needed rain would finally fall upon the Bay Area — but now, it appears that the promised wet weather is changing course and heading toward the Central Coast instead. It’s part of a dry trend that could continue as a La Niña weather pattern affects California.

After weeks of clear, cold and blue sky days the Sacramento region is going to see some water fall from the sky, according to the National Weather Service. A warm system is forecasted to sweep across Northern California as part of a smaller atmospheric river that will bring rain and snow.

San Francisco could see as much as six inches of rain over the next week as a moisture-packed storm known as an atmospheric river works its way south from the Pacific Northwest.

Timing out arrival of atmospheric river storm in Northern California