We support communities and decision-makers across the state with training, resources, and research on climate in Washington.
Learn moreSeptember 2025 was the warmest September on record in Washington back to at least 1979 and likely the warmest on record back to 1895*. Temperatures were +5.7°F* warmer than normal when averaged statewide.
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WHEN: November 4, 2025 7:30 am-4 pm PT (8:30 am to 5 pm MT)
WHERE: In person at Boise State University or Limited Virtual
Please register by October 30 to ensure an accurate catering count.
A La Niña Advisory was issued by the Climate Prediction Center on October 9 indicating that La Niña conditions are currently in place. La Niña conditions are the most likely scenario now through December-January-February.
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Many regular readers of this column are aware of the effects of La Niña, and variations in the El Niño-Southern Oscillation (ENSO) in general, on the overall weather of the Pacific Northwest during the cool season.
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