Weather Nerd · ENSO Tracker
EL NIÑO
NOAA · El Niño Advisory
NIÑO 3.4 · WEEK OF 2026-09-16
+3.0°
RONI JJA 2026 · +1.4 (official)
ONI JJA 2026 · +1.8
LA NIÑA−0.5+0.5EL NIÑO
El Niño is strengthening, with a greater than 90% chance of a very strong event during the Northern Hemisphere fall and winter 2026-27.
NOAA gives a 98% chance of a very strong event in OND 2026.
Published September 21, 2026
Next NOAA outlook October 8, 2026
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