Social media feeds quickly filled with colorful photos of the enchanting sky event on Nov. 11 as the sun set.

The Northern Lights may be visible in the U.S. overnight on Sunday, Nov. 9, into Monday, Nov. 10, with a G2 geomagnetic storm being forecast by experts at NOAA.

NOAA's Space Weather Prediction Center's view line shows these 21 states could see the glowing phenomenon in the sky.