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Climate Phenomena

La Niña El Niño La Nina El Niño-Southern Oscillation El Nino El Niño Southern Oscillation Oceanic Phenomena Seasonal Weather Patterns Canícula

NOAA Puts El Niño on Watch With 61% Odds for May–July, Flags 25% ‘Very Strong’ Risk

Spring forecast skill is low, so scientists are watching for stronger westerly winds to lock in the pattern.

NOAA Issues El Niño Watch for 2026 as Models Flag Rising Odds of a Strong Event

Leading Models Raise Odds of a Significant El Niño by Late Summer

Rapid El Niño Build Puts 2027 on Track for Record Heat, With 2026 at Risk

La Niña Weakens With ENSO‑Neutral Likely Soon, El Niño Odds Rise for Late 2026

Forecasters Raise El Niño Odds for 2026 as La Niña Fades

CPC Says La Niña Likely to Fade by Spring as El Niño Odds Build for Late 2026

NOAA Confirms Weak La Niña to Guide Early U.S. Winter, With Neutral Likely by Late Winter

Old Farmer’s Almanac Sees Wet West for Thanksgiving, Snow Risks in Northeast by Christmas

NOAA Confirms La Niña, Calling It a Weak Event With Uncertain Winter Impacts

La Niña Watch in Effect as Warm Pacific Clouds U.S. Winter Outlook

NOAA Puts La Niña on Watch With High Odds for Fall Onset

NOAA Puts La Niña on Fall Watch as Models Favor a Short, Weak Event

WMO Sees La Niña Likely From September as Global Heat Persists

WMO Sees 55% Chance of La Niña Forming From September

Climate Center Raises La Niña Watch With Modest Odds for a Weak, Short-Lived Event

La Niña Ends Abruptly, Leaving Earth in Neutral Climate Phase

Texas Braces for Unseasonably Warm Start to February

Weakened La Niña Arrives, Influencing U.S. Winter Weather Patterns

Weak La Niña Likely to Develop, Says WMO