El Niño Forecast

Track El Niño and La Niña like an expert. El Niño and La Niña shape winters across the globe — where it floods, where the snow falls, where the storm track goes. El Niño Forecast puts the same diagnostics forecasters use in your pocket: the same indices NOAA tracks, the same models the forecast centers run, read the way a forecaster reads them, updated on their schedules and honest about every date. CURRENT CONDITIONS • The daily Niño 3.4 index, absolute or relative to the warming tropics, with a daily chart for every Niño region and an overlay of every previous year since 1982 (since 1991 in Relative) • RONI, NOAA's official index since 2026 • The official NOAA/CPC outlook, with the full monthly discussion and its figures readable in the app • The Kelvin wave tracker: a map of every Kelvin wave crossing the equatorial Pacific and running up both coasts of the Americas over the last…