NOAA Warns Super El Niño May Shape Chicago Winter
NOAA’s October 15 outlook warns that a strong super El Niño could alter temperature and precipitation in Chicago during the 2026‑2027 winter.
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6 storiesnewest firstlatest October 17, 2026
NOAA’s October 15 outlook warns that a strong super El Niño could alter temperature and precipitation in Chicago during the 2026‑2027 winter.
NOAA issued a winter outlook on Oct. 15 predicting a strong super El Niño that is expected to bring colder, wetter weather to Chicago this winter.
El Niño‑driven warming of Pacific waters is drawing sharks, sea snakes and other atypical fish into Southern California, highlighting rapid shifts in marine ecosystems.
NOAA’s Climate Prediction Center issued a September 10 outlook showing over a 90 percent chance of a very strong El Niño in fall and winter 2026‑27, projecting colder conditions for northern states and milder weather for Chicago and the southern U.S.
A coastally trapped Kelvin wave generated by the current El Niño is moving up Mexico’s Pacific coast and is expected to reach California, where it may affect coastal weather and surf conditions.
Tropical Storm Marie may intensify into a hurricane and bring rain, strong winds and high surf to Southern California during Labor Day weekend, a rare event heightened by warm El Niño waters.