Auroral activity is forecast to increase on Christmas Day, with NOAA forecasting a Kp index of five and a viewing line encompassing a few more regions than Christmas Eve’s forecast, including northern New England, northern New York and northern Iowa.

Northern Lights are expected to dazzle skies on Christmas in the United States. The colorful auroras might be seen in multiple northern US states. The northern lights are one of the most spectacular natural phenomena on our planet and commonly occur within the so-called "Aurora Zone".

The northern lights have been dancing with increased frequency over Europe's skies in late 2024 as well as appearing much further south than usual. Thanks to a peak in solar activity, the celestial phenomenon will continue to be particularly active into 2025.

The viewing line stretches down to the bottom of North Dakota, though chances of seeing aurora borealis will increase the farther north viewers are from it. Thursday’s viewing line does not include any of the mainland U.S. as part of a forecast that ...