El Niño's impacts will vary globally, with some regions facing severe weather extremes. In the U.S., the southern states could see increased rainfall and cooler temperatures, raising the risk of flooding. Conversely, northern states and western Canada may experience warmer winters. Globally, Australia and Indonesia are at risk of drought and heat waves, which could exacerbate wildfire risks and water shortages. Reduced monsoon rains in India and Southeast Asia may lead to agricultural challenges and intensified heat extremes. Marine ecosystems are also vulnerable, with potential coral bleaching due to elevated ocean temperatures. Economic disruptions, including disaster recovery costs and food supply issues, are likely in affected regions.