Atmospheric River Bringing Heavy Rain to Southern California and Heavy Snow to the Sierra Nevadas
A strong atmospheric river will continue heavy rain over southern California through Friday. The heaviest rainfall is ongoing today in the Los Angeles Basin. Flash and urban flooding is possible. A prolonged heavy snowfall has begun over the Sierra Nevada Mountains and will continue through Friday. Travel will become increasingly difficult over the passes due to snow and strong winds. Read More >
| NWS Forecast for: San Pablo Bay, Suisun Bay, the West Delta and the San Francisco Bay north of the Bay Bridge (PZZ530) Issued by: National Weather Service San Francisco Bay Area/Monterey, CA Last Update: 852 AM PST Wed Dec 24 2025 | |
Today: SW wind 15 to 20 kt with gusts up to 35 kt, becoming S 5 to 10 kt late this morning and early afternoon, then becoming SE 10 to 15 kt late. A chance of showers. A slight chance of tstms this afternoon. Patchy fog late this morning. Tonight: SE wind 20 to 25 kt, rising to 25 to 30 kt after midnight. Gusts up to 45 kt. A slight chance of tstms. Showers. Christmas Day: S wind 25 to 30 kt with gusts up to 40 kt. A slight chance of tstms. Showers. Thu Night: S wind 25 to 30 kt, easing to 20 to 25 kt after midnight. A slight chance of tstms. Showers. Fri: S wind 20 to 25 kt. Showers. A slight chance of tstms in the afternoon. Fri Night: S wind 10 to 15 kt. Showers likely, mainly in the evening. Sat: NE wind 5 to 10 kt. Sat Night: N wind 5 to 10 kt. Sun: NE wind 5 to 10 kt. Sun Night: NE wind 5 to 10 kt. winds and waves higher in and near tstms. | |
| Zone Forecast: San Pablo Bay, Suisun Bay, the West Delta and the San Francisco Bay north of the Bay Bridge (PZZ530) | |
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