If the weather permits — with dark, clear skies — northern parts of Canada, as well as Alaska, can catch quick glimpses of the northern lights. NOAA forecasts also suggest the Kp index may reach about 3.67 at maximum within the next 24 hours.

The much-anticipated Perseid meteor shower, one of nature's most dazzling sky shows, is set to peak Tuesday night into early Wednesday morning, lighting up skies across the Northern Hemisphere. "The Perseids are caused by Earth running into trails of debris left behind by Comet Swift-Tuttle,