Sep 10, 2026 | Climate Outlook, September 2026 Newsletter Early September Climate Outlook Key Messages: El Niño continues to intensify in the tropical Pacific. We are virtually guaranteed to have a very strong El Niño continue through this winter. Read a more detailed write up of possible impacts in our Climate Matters piece. Read more
Sep 10, 2026 | Drought and Streamflow Update, September 2026 Newsletter September 2026 Drought and Streamflow Update Key Messages: Streamflows in mountain basins continue to run below to extremely below normal. Some stations in the Olympics and western Cascades have seen temporary boosts in streamflow thanks to beneficial rainfall in early September. Read more
Sep 10, 2026 | Climate Matters, Climate Variability, El Niño/La Niña and Global Climate Oscillations, September 2026 Newsletter Climate Matters: How Might El Niño Affect Washington This Winter? The past week’s cooler and wetter weather comes as a stark reminder that summer has begun to make room for fall here in the Pacific Northwest. With this seasonal shift, some of us are beginning to turn our attention to the upcoming winter, as a strong and potentially historic El Niño event continues to intensify in the tropical Pacific Ocean. Read more