The Northern Lights have been illuminating skies across the U.S. this week, and some lucky spectators may get another chance to see the aurora borealis into Thursday.

The big picture: Intense G4 geomagnetic conditions, the second-highest on the National Oceanic and Atmospheric Administration's five-step scale, produced magnetic conditions that were "eight times stronger than what's normal" on Tuesday night, NOAA's Space Weather Prediction Center forecaster Shawn Dahl said in a video on X.

Flashback: In photos: Northern Lights dazzle skies

Editor's note: This article has been updated with more photos and further context.

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