bay area weather

Bay Area weather forecast: Wet week ahead

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Rains forecast in the San Francisco Bay Area this week beginning Sunday will be lighter than what had been earlier projected, the National Weather Service said.

In an updated bulletin, the weather service said there will be a slight decrease in the expected rain totals at 1-3 inches for most areas, and a trend toward drier conditions will then be observed on Thursday.

But locally higher amounts of rain remain possible in the coastal ranges, and isolated thunderstorms are possible in the Bay Area and Central Coast Sunday and Monday, it said.

This Sunday, rainfall will be experienced in the morning until early afternoon, and then later in the evening into Monday morning. During the second window, the heaviest rain and strongest thunderstorms may be expected.

The light rain forecast for the Bay Area this Sunday is due to the outer rain bands associated with a gale force low pressure system that has stalled about 780 miles west-southwest of San Francisco, according to the weather service.

By Monday, gusty southerly winds are expected.

The weather service said nuisance roadway flooding remains the most likely impact during the rainy period.

Drier weather is forecast to return starting Friday.

More typical December weather has returned. Expect rain at times, some locally heavy for Monday with a chance for isolated thunderstorms as well. Rob Mayeda has the Microclimate Forecast.

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