March has brought a whirlwind of extreme weather events across the United States, leaving many wondering about the underlying causes. From blizzards and tornadoes to unexpected heat waves and torrential rain, the nation has experienced a dramatic shift in weather patterns. While it's tempting to attribute these events to El Niño or La Niña, forecasters suggest that these phenomena, which operate over longer periods, aren't the primary drivers of the recent day-to-day weather swings.