http://www.newsweek.com/how-see-auroras-northern-lights-solar-storm-1727109

Auroras could illuminate the skies in some northern U.S. states this weekend as charged particles from the sun collide with Earth, offering a chance to get great night-time photographs.

The U.S. National Oceanic and Atmospheric Administration's Space Weather Prediction Center (SWPC) issued an alert on Thursday, cautioning that two geomagnetic storms were likely to occur on Friday and Saturday.