The northern lights returned to Ohio on Thursday, glowing across the state. Will the aurora borealis return tonight? Here's a look at the forecast.

This means that the chances of seeing the Northern Lights in Northeast Ohio, and pretty much most of the northern United States, are very high beginning after sunset Thursday and continuing through sunrise Friday morning. These lights could possibly rival or exceed those from May.

The Ohio skies have put on quite a show with the northern lights this year. So what causes them? And why are we seeing them so much? What to know.