The sun has unleashed the most powerful solar flare since 2017, just days after it spat out another monster explosion. Both outbursts have launched solar storms that will likely hit Earth this weekend and trigger vibrant aurora displays.

NASA’s Solar Dynamics Observatory, which watches the Sun constantly, captured an image of the event. Strong solar flares like this can cause coronal mass ejections (CME); explosions of plasma and magnetic field that can cause geomagnetic storms when they are directed at Earth.

The lights may be visible in several states like Oregon, Washington, New York, Maine, Vermont, Illinois, Michigan and Nebraska.