San Francisco Bay Area Braces for Heavy Rain and Potential Flooding

Three waves of heavy rain expected from Friday to Monday, with potential for shallow landslides and minor flooding, but no major river flooding anticipated.

• Three waves of heavy rain are expected in the San Francisco Bay Area from Friday to Monday, with the most severe weather likely to occur late Friday afternoon to Saturday morning, Saturday night to Sunday morning, and late Sunday night to Monday morning.
• There is a 10% to 20% chance for thunderstorms Friday night through Saturday morning, and a marginal to slight risk of excessive rainfall resulting in rapid onset flooding on Saturday and Sunday.
• Rainfall totals are expected to range from 3 to 5 inches in North Bay valleys, 1.5 to 3 inches in other parts of the Bay Area, and lower amounts in the South Bay and Santa Clara Valley.
• The weekend rain is expected to produce runoff that could trigger shallow landslides, and while creeks, rivers and streams could see rises, major flooding is not expected on any of the major rivers.
• A weak system is expected to bring light rain on Tuesday and Wednesday following the weekend storms.

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