There's a chance for G4 (severe) geomagnetic storm tonight, NOAA space weather forecaster Shawn Dahl told CNET.

A handful of northern states may be able to see aurora borealis Saturday night, according to a forecast from the National Oceanic and Atmospheric Administration, as a minor geomagnetic storm looms. Saturday night’s northern lights forecast has a projected Kp index of 3,

Parts of Canada and other northern U.S. states have the best chance to catch a glimpse of the aurora tonight, including some lucky folks in northern Washington.