Northern lights could be visible in 16 states tonight March 31 as a speedy CME barrels toward Earth
space.com Mar 31, 2026

Northern lights could be visible in 16 states tonight March 31 as a speedy CME barrels toward Earth

AI-summarised brief · reviewed before publication

A speedy coronal mass ejection is heading towards Earth, potentially triggering minor to moderate geomagnetic storm conditions. If it hits, auroras could be visible from Alaska to Wyoming, and possibly as far south as Illinois and Oregon, depending on the storm's strength. The 16 US states at risk include Alaska, Wyoming, Montana, North Dakota, South Dakota, Minnesota, Wisconsin, Michigan, Illinois, Indiana, Ohio, Pennsylvania, New York, Vermont, New Hampshire, and Maine.