Rain in San Francisco, March 31, 2026.

The Bay Area is forecast to see scattered showers and even thunderstorms as back-to-back weather systems move into the area starting Thursday, according to the National Weather Service.

Weather service meteorologist Dylan Flynn said a low-pressure system is expected to arrive in the North Bay first, resulting in showers and a 20% chance of thunderstorms. He said this type of system, called a cut-off low, is separate from the jet stream, which can make it less predictable.

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Through Thursday evening, the rest of the Bay Area, including San Francisco, sees an increasing likelihood of scattered showers.

On Friday, the........

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