Aurora borealis could be visible in wide swaths of continental US and Europe on Saturday

A large solar flare erupted Thursday and is set to reach Earth Saturday, which could result in a strong geomagnetic storm and cause the aurora borealis, or Northern Lights, to be visible across the US and Europe.

source https://www.cnn.com/2021/10/29/weather/northern-southern-lights-us-europe-wx-scn/index.html