A storm system brewing offshore is slated to bring widespread rain to the Bay Area and several feet of snow to the Sierra Nevada, weather officials say.
The National Weather Service says a "weak to potentially moderate" atmospheric river storm will likely arrive in the Bay Area late Saturday and continue through early next week.
The public should expect moderate to locally heavy rainfall as well as locally gusty winds, according to the weather service. Minor urban and small stream flooding is also possible.
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Bay Area rainfall totals are expected to range anywhere from 2 to 6 inches, the weather service said. Below is a breakdown of the forecasted rainfall amounts between Saturday afternoon and Tuesday night, per the weather service.
- Santa Rosa: 4 to 6 inches
- Napa: 4 to 6 inches
- Fairfield: 3 to 4 inches
- San Rafael: 4 to 6 inches
- Concord: 3 to 4 inches
- San Francisco: 3 to 4 inches
- Livermore: 2 to 3 inches
- Half Moon Bay: 4 to 6 inches
- San Jose: 2 to 3 inches
- Santa Cruz: 4 to 6 inches
PG&E is preparing to respond to storm-related power outages across the region.
Over in the Sierra, heavy snowfall is expected between Saturday night and Tuesday, the weather service says.
Some of the passes, including Donner, Carson and Sonora, could pick up anywhere from 60 to 80 inches of fresh snow, according to the weather service.
The snow is expected to make for dangerous travel conditions and lengthy delays.
For the latest weather updates, visit NBC Bay Area's weather page.