The latest Climate Prediction Center monthly and seasonal outlook and what it means for Washington State is described here.
Late April 2025 Climate Outlook
What’s Next for the Pacific Northwest?
El Niño-Southern Oscillation (ENSO)
ENSO-neutral conditions have officially returned and are likely to continue through summer.
Sea surface temperatures in the Tropical Pacific continued to warm throughout March and have returned to near-normal.
Early April 2025 Climate Outlook
As of March 31st, a La Niña advisory is still in place according to the Climate Prediction Center (CPC). Nevertheless, La Niña conditions have continued to weaken, and we are expecting to enter a neutral ENSO phase during April.
Read moreLate March 2025 Climate Outlook
What’s Next for the Pacific Northwest?
El Niño-Southern Oscillation (ENSO): Weak La Niña conditions are expected to transition to neutral conditions in the next month.
La Niña conditions continue to weaken driven in large part by warming sea surface temperatures in the central and eastern Tropical Pacific.
February 2025 Climate Outlook
What’s Next for the Pacific Northwest?
El Niño-Southern Oscillation (ENSO): Our weak La Niña persists this February.
La Niña conditions are still present according to the Climate Prediction Center (CPC). Sea surface temperatures (SSTs) are running -0.6°C below normal in the Niño 3.4 region, which is an important indicator region for determining ENSO phases.
January 2025 Climate Outlook
What’s Next for the Pacific Northwest?
El Niño-Southern Oscillation (ENSO): La Niña is here!
On January 9, the Climate Prediction Center (CPC) issued a “La Niña Advisory” due to La Niña being present in the tropical Pacific Ocean.
November 2024 Climate Outlook
What’s Next for the Pacific Northwest?
El Niño-Southern Oscillation (ENSO): Neutral ENSO conditions, La Niña likely by late fall/early winter
According to the Climate Prediction Center (CPC), ENSO-neutral conditions are still present in the tropical Pacific Ocean.