New Delhi, Oct. 2 -- Skywatchers in the US could be in for a treat this week, with the northern lights expected to be visible from several states as a geomagnetic storm continues to batter the Earth.

NOAA's Space Weather Prediction Center has issued a G3 (strong) geomagnetic storm watch for October 2, which significantly increases the chances of seeing the northern lights much farther down south than usual.

Several states in northern US are likely to witness the spectacle, weather and light pollution permitting:

That said, auroras are erratic, and people watching from states within the view line will require cloud-free skies, a clear view northward, and conditions with minimal light pollution to catch a clear view.

Some tips for viewe...