El Niño may take shape later this year, and the ripple effects could show up in U.S. weather during the second half of 2026.

The large-scale Pacific Ocean climate patterns that help steer weather patterns around the globe are shifting yet again.

The powerful weather pattern is expected to shift into gear again around June, NOAA said, though its strength this time ...

A transition from La Nina to ENSO - neutral is expected from February through April (60% chance). There’s also a chance this phase will continue through this summer ...

The Pacific Ocean is warming so quickly that scientists had to find a new method for detecting and predicting El Niño and La Niña events.

NOAA is to start using a new index, known as 'RONI,' to classify El Niño and La Niña events.

The probability of El Niño developing or ENSO remaining neutral between June and August is currently about 50/50.

Feb 12 (Reuters) - There is a 60% chance of a shift in the climate phenomenon known as La Niña towards El Nino in ...

Signals indicate a transition to ENSO-neutral conditions this spring and a likely shift toward El Niño by mid-summer 2026.

While La Niña is currently holding its own, the expectation is that an El Niño will develop by the peak of hurricane season. Here's why that's a big deal.

The El Niño Southern Oscillation (ENSO) is a natural pattern of ocean and atmospheric changes in the tropical Pacific Ocean that can influence the weather pattern ...

Hurricane season officially is still several months away, but experts are already watching for early signs of what’s ahead. What to know in Florida.