Northern lights could be seen further south than usual with the expected arrival of three coronal mass ejections, according to NOAA's Space Weather Prediction Center.

NOAA has upgraded its aurora forecast, with strong to severe geomagnetic storms possible Thursday and Friday, raising Northern Lights chances across 25 U.S. states.

NOAA has upgraded its aurora forecast, with strong to severe geomagnetic storms possible Thursday and Friday, raising Northern Lights chances across 23 U.S. states.