Wet weather signaled the arrival of the fall season in the Bay Area on Monday as the first wet cold front arrived with rain, gusty winds and possible thunderstorms. A second cold front was also expected by mid-week.

The National Weather Service said in its daily forecast discussion that the cold front was moving inland throughout the day on Monday, with the North Bay receiving the brunt of the rain. However, the totals were only expected to reach a quarter-inch by the evening. The Peninsula could see about a tenth of an inch of rain, while the East Bay, South Bay and Central Coast were likely to see only light showers, if any.

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There is a chance of the cold front bringing isolated thunderstorms, with a 15% cha

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