As Northern California’s rainy season quickly approaches, meteorologists are anticipating “extreme” weather events to hit the state for the rest of 2025 .

“Expect extremes, so dry periods interrupted by large and long-lasting atmospheric river conditions,” said state climatologist Michael Anderson during a virtual discussion Tuesday hosted by the state’s Department of Water Resources. DWR monitors the state’s water supply and oversees the construction and maintenance of dams.

Anderson and other weather forecasters predict these conditions because of a “La Niña” pattern that is expected to peak in the remaining few months of the calendar year, according to the National Oceanic and Atmospheric Administration’s Climate Prediction Center.

“We do have a La Niña brewing in the eastern tropica

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