A developing El Niño is already altering Pacific winds and ocean heat, setting up possible shifts in U.S. weather and ...

Waves of higher, warmer water move eastward across the Pacific Ocean a few months before an El Niño emerges. Several have shown up in 2026 satellite data.

The first tropical storm of the Eastern Pacific hurricane season could form as soon as the middle of next week.

Early atmospheric changes associated with a developing El Niño event are beginning to appear in long-range weather forecasts, ...

Get ready to hear a lot more about El Niño during the next several months — and maybe even longer — as the infamous climate cycle returns again, developing and intensifying in the Pacific Ocean near ...