FILE: A pedestrian walks in downtown San Francisco during rain showers on Nov. 11, 2024. 

Wet weather could dampen Halloween in California ahead of the looming El Niño winter.

After rain and even some early snowfall last week, National Weather Service forecasters expect another round of statewide storms to hit this weekend. In a possible third wave of precipitation, next week’s outlook also appears unusually wet.

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“It’s an active start to the season,” Rachel Kennedy, a meteorologist for National Weather Service’s Bay Area office, told SFGATE. “We’ll have to see if the storm door stays open or takes a break for a while, but El Niño is happening already regardless.”

El Niño, the seasonal climate pattern that emerged in the tropical Pacific Ocean in June, generally tips the odds in favor of a wet winter, especially in Southern California. Forecasters expect the high........

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